This chapter describes how to configure and monitor ARP protocol activity and how to use the ARP monitoring commands. It includes the following sections:
For information on how to access the ARP configuration environment, see "Getting Started" in Nways Multiprotocol Access Services Software User's Guide.
Use the following procedure to access the ARP configuration process.
* talk 6
Config>
After you enter the talk 6 command, the CONFIG prompt (Config>) displays on the terminal. If the prompt does not appear when you first enter configuration, press Return again.
This section describes the ARP configuration commands for non-ATM networks. Table 38 lists the ARP configuration commands. You can access ARP configuration commands at the ARP config> prompt.
| Note: | These commands are not used to configure ARP for Classical IP, IPX and Bridging on ATM interfaces. However, they can be used to configure ARP for ATM LAN Emulation clients. |
Table 38. ARP Configuration Commands for non-ATM Networks Summary
| Command | Function |
|---|---|
| ? (Help) | Displays all the commands available for this command level or lists the options for specific commands (if available). See "Getting Help". |
| Add Entry | Add a MAC address translation entry. |
| Change Entry | Change a MAC address translation entry. |
| Delete Entry | Deletes a MAC address translation entry. |
| Disable Auto-refresh | Disable ARP auto-refresh. |
| Enable Auto-refresh | Enable ARP auto-refresh. |
| List | List ARP configuration data in SRAM. |
| Set | Set the usage and refreshes timeout values. |
| Exit | Returns you to the previous command level. See "Exiting a Lower Level Environment". |
Use the add entry command to add a "static protocol-to-hardware address mapping" entry. This command is currently supported for IP addresses only.
Syntax:
Default value: 0
Default value: IP
Default Value: 0
Default Value: None
This option appears only when you are configuring an Ethernet interface. You should select the IP encapsulation type that matches the kind of encapsulation that is performed by the host. Refer to "Configuring and Monitoring the Ethernet Network Interface" in the Nways Multiprotocol Access Services Software User's Guide for more information.
Valid Values: Ether or ieee-802.3
Default Value: Ether. The configured value is effective only if the encapsulation of the network interface is both. Otherwise, this value defaults to the encapsulation type that is configured on the network interface regardless of the value configured for the host.
Example: add entry
Interface Number [0]?
Protocol [IP]?
IP Address [0.0.0.0]?
Mac Address []?
IP Encapsulation type (ETHER/IEE-802.3) [ETHER]?
Use the change entry command to change a "static protocol-to-hardware address mapping" entry. This command is currently supported for IP addresses only. The hardware address parameter (MAC-addr) should be the address of the node being changed.
Syntax:
Default value: 0
Default value: IP
Default Value: None
Default Value: None
Valid Values: Ether or ieee-802.3
Default Value: Ether. The configured value is effective only if the encapsulation of the network is both. Otherwise, this value defaults to the encapsulation type that is configured on the network interface regardless of the value configured for the host.
Use the delete entry command to delete a "static protocol-to-hardware address mapping" entry. This command is currently supported for IP addresses only.
Syntax:
Default value: 0
Default value: IP
Default Value: 0.0.0.0
Example: delete entry
Interface Number [0]?
Protocol [IP]?
IP Address [0.0.0.0]?
Use the disable auto-refresh command to disable the auto-refresh function. The auto-refresh function is the router's capability to send an ARP request based on the entry in the translation cache before the refresh timer expires. The request is sent directly to the hardware address in the current translation instead of a broadcast. If auto-refresh is disabled, no 'preemptive' ARP request is made, the refresh timer is allowed to expire, and the ARP translation is purged from the table. The next protocol packet to the destination protocol address will then cause a new ARP request to be broadcast on the network.
Syntax:
Example: disable auto-refresh
Use the enable auto-refresh command to enable the auto-refresh function. The auto-refresh function is the router's capability to send an ARP request based on the entry in the translation cache before the refresh timer expires. The request is sent directly to the hardware address in the current translation instead of a broadcast.
Enabling auto-refresh could cause entries to be retained in the cache regardless of their usage. On networks with a large number of nodes, this can lead to an excessive number of entries in the cache, which might adversely affect router performance. However, on networks with a small number of nodes, this option is useful in reducing broadcast ARP traffic.
Syntax:
Example: enable auto-refresh
Use the list command to display the contents of the router's ARP configuration as stored in SRAM. The list command displays the current timeout settings for the refresh and usage timer.
Syntax:
Example: list all
ARP configuration:
Refresh Timeout: permanent
Auto Refresh: disabled
Mac address translation configuration
IF # Prot # Protocol --> Mac Address IP-Encap(1)
0 0 2.2.2.1 --> 0000C90932EF Ether
(1) IP encapsulation is displayed only for Ethernet
interfaces that have been configured statically.
Example: list config
ARP configuration:
Refresh Timeout: 5 minutes
Auto refresh: disabled
Example: list entry
Mac address translation configuration
IF # Prot # Protocol --> Mac Address
0 0 2.2.2.1 --> 0000C90932EF
Use the set command to set an ARP configuration parameter.
Syntax:
To change the timeout value for the refresh timer, enter the timeout value in minutes. A setting of zero (0) turns off (disables) the refresh timer.
This timer is used in determining when an ARP translation cache entry is to be refreshed while auto-refresh is enabled, or purged while auto-refresh is disabled. Disabling the timer causes entries to be retained until a newly learned address translation causes entries to be removed, until entries are cleared manually with the ARP clear monitoring command, or until the router is restarted.
Valid Values: An integer number of minutes in the range of 0 to 65535
Default Value: 5 minutes
Example: set refresh-timer 3
This section describes the ARP Over ATM configuration commands. These commands apply to:
Enter the commands at the ARP Config> prompt.
Configuring IPX over ATM (using RFC 1483) is similar to configuring Classical IP (RFC 1577).
Once you enter "IPX" as the protocol, some subsequent questions are different than those for protocol "IP." Because IPX over ATM does not use ARP Servers, questions relating to ARP Servers are not asked.
Also, IPX over ATM requires fewer parameters to be configured than Classical IP. The IPX network number and the IPX host number (IPX ATM-ARP-client) are the only required parameters for IPX over ATM. If you need to open a connection to a remote IPX router, you must additionally configure the desired channels (VCCs).
These commands apply only to the physical ATM interface where the ARP
entries reside for ARP over ATM. These commands will have no effect on
a non-ATM interface.
Table 39. ARP Over ATM Configuration Command Summary
| Command | Function |
|---|---|
| ? (Help) | Displays all the commands available for this command level or lists the options for specific commands (if available). See "Getting Help". |
| List | Lists all (the current ARP over ATM configuration), lists ARP Servers (for IP only), or lists pvc-atm-arp-entries, svc-atm-arp-entries, atm-arp-client-configuration and redundancy. |
| Add | Adds an arp-server, atm-arp-client-configuration, pvc-atm-arp-entry, svc-atm-arp-entry or redundancy. |
| Change | Changes the atm-arp-client-configuration or redundancy. |
| Delete | Deletes an arp-server, atm-arp-client-configuration, pvc-atm-arp-entry, svc-atm-arp-entry or redundancy. |
| Disable | Disables auto-refresh so that ARP entries will not be refreshed automatically. |
| Enable | Enables auto-refresh so that ARP entries will be refreshed automatically. |
| Set | Sets the refresh-timer for aging ARP entries. |
| Reorder | Selects the primary ARP Server from a given ARP Server list. |
| Exit | Returns you to the previous command level. See "Exiting a Lower Level Environment". |
Use the add command to add an arp-server, atm-arp-client-configuration, svc-atm-arp-entry, or redundancy.
Syntax:
If the IP address is a client only, the NSAP address is the address of a remote server. Multiple remote servers may be added per client. During initialization, the specified CIP client will place a call to an ARP Server and will use it as a mechanism for resolving IP addresses to ATM addresses.
If the IP address is a server, the NSAP address is the address of a DCS for the Distributed ARP Server. This address must match the SCSP ATM address for the DCS (not the client ATM address). Use the List Server-Groups monitoring command at the SCSP> command prompt under t 5 to determine the SCSP ATM address of a server. See "Monitoring the Server Cache Synchronization Protocol (SCSP)" for additional information.
Valid Values: Any valid IP address
Default Value: None
The first byte of the nsapa defines the addressing format, as follows:
| Note: | This setting corresponds to a client's (IP address/port number) pair. |
Default value: None
Example:
ARP config> add arp-server private-nsapa
Local Client IP Address [0.0.0.0]? 2.2.3.100
Private NSAP Address: Specify 40 digits
ATM Address []? 39840f0000000000000000000410005a3345f3a0
You will be prompted to provide information about the characteristics of the VCCs that will be set up and received by this client or server, the refresh timeout and auto-refresh settings, how the ATM address for this client is determined, Distributed ARP Service parameters,and the frame size that this client can handle.
| Note: | Any bandwidth or cell parameter that equals zero will be treated as the line speed of the ATM interface. |
Example for IP:
ARP config> add atm-arp-client-configuration
Interface Number [0]?
Protocol [IP]?
Client IP Address [0.0.0.0]? 1.1.1.2
This client is also a server? [Yes] yes
Refresh timeout (in minutes) [20]?
Enable auto-refresh? [Yes]:
Refresh by InAtmArp? [Yes]:
( 1) Use burned in ESI
( 2) 111111111111
( 3) 222222222222
( 4) 121212121212
( 5) AAAAAAAAAAAA
Select ESI [1]?2
Use internally assigned selector? [Yes]: no
Selector Only, Page 00..FF [00] ? 11
Validate PCR for best effort VCCs? [No]:
Maximum Reserved Bandwidth for incoming VCCs (Kbps) [0]?
Use Best Effort Server for Control VCCs? [Yes]:
Peak Cell Rate of outbound control VCCs (Kbps) [0]?
Sustained Cell Rate of outbound control VCCs (Kbps) [0]?
Use Best Effort Server for Data VCCs? [Yes]:
Peak Cell Rate of outbound Data VCCs (Kbps) [0]?
Sustained Cell Rate of outbound Data VCCs (Kbps) [0]?
Max SDU size (bytes) [9188]?
Participate in Server Synchronization [No]? yes
Server Group ID [1]?
Do you want to accept sessions from non-configured DCSs [Yes]?
Hello Interval [3]
Dead Factor [3]?
( 1) Use burned in ESI
( 2) 111111111111
( 3) 222222222222
( 4) 121212121212
( 5) AAAAAAAAAAAA
Server Synchronization ESI [2]?
Server Synchronization selector, Range 00..FF [00]? 12
Server Synchronization Max SDU size (bytes) [9188]?
Re-registration time with Arp Server (in minutes) [15]?
To enable or change multicast support,
please issue the ADD or CHANGE MULTICAST-SUPPORT command.
Example for IPX:
ARP config> add atm-arp-client-configuration
Interface Number [0]?
Protocol [IP]? IPX
Refresh timeout (in minutes) [5]?
Enable auto-refresh? [Yes]:
( 1) Use burned in ESI
Select ESI [1]?
Use internally assigned selector? [Yes]:
Validate PCR for best effort VCCs? [No]:
Maximum Reserved Bandwidth for incoming VCCs (Kbps) [0]?
Use Best Effort Server for Control VCCs? [Yes]:
Peak Cell Rate of outbound control VCCs (Kbps) [0]?
Sustained Cell Rate of outbound control VCCs (Kbps) [0]?
Max SDU size (bytes) [9188]?
Example for Bridging:
ARP config> add atm-arp-client-configuration
Interface Number [0]?
Protocol [IP]? ASRT
Clients for this protocol can only be changed here.
Additions must be done under ASRT Config by adding a port.
Valid values: Any interface on the device
Default value: 0
Default value: IP
| Note: | This value is also used for the LSID in the SCSP protocol. |
Valid Values: Any valid IP address
Default value: 0.0.0.0
Valid Values: An integer number of minutes in the range of 0 to 65535
Default Value: 5 minutes
If No, ARP entries will not be refreshed automatically.
Default Value: No for client, Yes for Server
If YES, and if auto-refresh is enabled, then InAtmArp requests will be periodically transmitted to confirm the existence of the remote host.
If NO, and if auto-refresh is enabled, then AtmArp requests will be transmitted to the ARP Server to reconfirm the ARP entry.
Default Value: No for client, Yes for Server
Valid Values: Any of the values listed in the menu preceding this question. Any 12 hexadecimal digits that have been defined as an ESI address using the Add ESI ATM Network configuration command.
Default Values: 1 (burned-in)
Valid Values:Yes or No
Default Value: Yes
Valid Values: Any single octet value that has not been previously used and is within the range defined for the device.
Default Value: 0
Valid Values: Integer kbps in the range of 0 to line speed. If you enter 0, the parameter is set to the line speed.
Default Value: None
Valid Values: Best Effort or Reserved Bandwidth
Default Value: Best Effort
Valid Values: An integer kbps in the range of 0 to line speed of the ATM device. If you enter 0, the parameter is set to the line speed.
Default Value:
Valid Values: An integer kbps in the range of 0 to control VCC PCR. If you enter 0, the parameter is set to the line speed.
Default Value: none
Valid Values: An integer kbps in the range of 0 to control VCC PCR. If you enter 0, the parameter is set to the line speed.
Default Value: 0
Valid Values: An integer kbps in the range of 0 to PCR value for Data VCC. If you enter 0, the parameter is set to the line speed.
Default Value: none
Valid Values: An integer in the range of 72 to Maximum interface SDU
Default Value: 9188
Valid Values: Yes or No
Default Value: No
Valid Values: 0 to 65535
Default Value:1
Valid Values: Yes or No
Default Value: Yes
Valid Values: 0 to 65535
Default Value: 3
Valid Values: 0 to 65535
Default Value: 3
Valid Values: Any of the values listed in the menu preceding this question. Any 12 hexadecimal digits that have been defined as an ESI address using the Add ESI ATM Network configuration command.
Default Value: ESI of the Client/Server
This is the last byte of the ATM address of this local server.
| Note: | The SCSP ATM address can be shared among the CIP clients on the same interface. The ATM address can also be shared with other protocols using the 1483 ATM LLC. Refer to the chapter entitled "Using and Configuring ATM" in the Nways Multiprotocol Access Services Software User's Guide. The SCSP ATM address cannot be shared with IP, IPX, or ASRT clients. |
Valid Values: Any valid selector that has not been previously used and is within the range defined for the device.
Default Value: 0
Valid Values: An integer in the range of 0 to 65535
Default Value: 15
Example for IP:
ARP config> add pvc-atm-arp-entry
Interface Number [0]?
Protocol [IP]?
Local client IP address [0.0.0.0]? 2.2.3.100
Specify destination protocol address? [Yes]: no
Permanent Virtual Circuit VPI, Range 00..FF [00]?
Permanent Virtual Circuit VCI, Range 0000..FFFF [0000]? 0029
Example for IPX:
ARP config> add pvc-atm-arp-entry
Interface Number [0]?
Protocol [IP]? IPX
Specify destination protocol address? [Yes]: no
Permanent Virtual Circuit VPI, Range 00..FF [00]?
Permanent Virtual Circuit VCI, Range 0000..FFFF [0000]? 0037
Example for Bridging:
ARP config> add pvc-atm-arp-entry
Interface Number [0]?
Protocol [IP]? ASRT
Channels for this protocol must be added under ASRT Config by adding
a port.
Default value: 0
Default value: IP
Valid Values: Any valid IP address
Default Value: 0.0.0.0
Default Value: 0.0.0.0
Default Value: 0
Default Value: 0
Example for IP:
ARP config> add svc-atm-arp-entry
Interface Number [0]?
Protocol [IP]?
Local client IP address [0.0.0.0]? 2.2.3.100
Specify destination protocol address? [Yes]: no
Destination ATM Address []? 39840f0000000000000000000210005a00dead03
Example for IPX:
ARP config> add svc-atm-arp-entry
Interface Number [0]?
Protocol [IP]? IPX
Specify destination protocol address? [Yes]: no
Destination ATM Address []? 39840f0000000000000000000210005a00dead03
Example for Bridging:
ARP config> add svc-atm-arp-entry
Interface Number [0]?
Protocol [IP]? ASRT
Channels for this protocol must be added under ASRT Config by adding
a port.
Default value: 0
Default value: IP
Valid Values: Any valid IP address
Default Value: 0.0.0.0
Default Value: 0.0.0.0
Default Value: None
ARP Server Redundancy Example
ARP config>add red Interface Number [0]? Protocol [IP]? Local client IP Address [0.0.0.0]? 1.1.1.1 Note: Local Redundancy ESI must be different from the Primary Server ESI ( 1) Use burned in ESI ( 2) 111111111111 ( 3) AAAAAAAAAAAA ( 4) BBBBBBBBBBBB Select Local Redundancy ESI [1]? 3 Local Redundancy selector, Range 00..FF [00]? aa Partner's (Redundancy) ATM Address, 40 Hex digits [0000000000000000000000000000000000000000]? 39840f00000000000000000001bbbbbbbbbbbbbb (1) Redundancy default IP Gateway also ? [No]: yes If Yes, Redundancy default IP Gateway protocol address [0.0.0.0]? 1.1.1.3 ARP config> ---------- Backup Server (client) ----------------- ARP config>add red Interface Number [0]? Protocol [IP]? Local client IP Address [0.0.0.0]? 1.1.1.2 Note: Local Redundancy ESI must be different from the Primary Server ESI ( 1) Use burned in ESI ( 2) 111111111111 ( 3) AAAAAAAAAAAA ( 4) BBBBBBBBBBBB Select Local Redundancy ESI [1]? 4 Local Redundancy selector, Range 00..FF [00]? bb Partner's (Redundancy) ATM Address, 40 Hex digits [0000000000000000000000000000000000000000]? 39840f00000000000000000001aaaaaaaaaaaaaa (1) ( 1) Use burned in ESI ( 2) 111111111111 ( 3) AAAAAAAAAAAA ( 4) BBBBBBBBBBBB Partner Server ESI [1]? 2 Partner Server selector, Range 00..FF [00]? 11 Redundancy default IP Gateway also ? [No]: yes If Yes, Redundancy default IP Gateway protocol address [0.0.0.0]? 1.1.1.3 ARP config>exit Config>
| Note: | (1) This input should occur on the previous line. It is shown here on a separate line because of formatting. |
Valid Values: Any IP address
Default Values: 0.0.0.0
Valid Values: The redundancy ESI must be different from all of the primary ARP client/server functional ESIs.
Default Value: 1
Valid Value: any single octet value that has not been previously used and is within the range defined for the device.
Default Value: 00
Valid Values: Only private NSAP addresses are valid. The first byte (Authority and Format Identifier) must contain a value of:
Default Value: none
Valid Values: Valid server ESI listed in the menu preceding this question.
Default Value: 1
Valid Values: Value defined for server selector
Default Value: 00
Default Value:No
Default Value: 0.0.0.0
Use the change command to change the ATM-ARP configuration.
Syntax:
See page *** for a description of the Change parameters.
Example for IP:
ARP config> change atm-arp-client-configuration
Interface Number [0]?
Protocol [IP]?
Client IP Address [0.0.0.0]? 1.1.1.2
This client is also a server? [Yes] yes
Refresh timeout (in minutes) [20]?
Enable auto-refresh? [Yes]:
Refresh by InAtmArp? [Yes]:
( 1) Use burned in ESI
( 2) 111111111111
( 3) 222222222222
( 4) 121212121212
( 5) AAAAAAAAAAAA
Select ESI [1]?2
Use internally assigned selector? [Yes]: no
Selector Only, Page 00..FF [00] ? 11
Validate PCR for best effort VCCs? [No]:
Maximum Reserved Bandwidth for incoming VCCs (Kbps) [0]?
Use Best Effort Server for Control VCCs? [Yes]:
Peak Cell Rate of outbound control VCCs (Kbps) [0]?
Sustained Cell Rate of outbound control VCCs (Kbps) [0]?
Use Best Effort Server for Data VCCs? [Yes]:
Peak Cell Rate of outbound Data VCCs (Kbps) [0]?
Sustained Cell Rate of outbound Data VCCs (Kbps) [0]?
Max SDU size (bytes) [9188]?
Participate in Server Synchronization [No]? yes
Server Group ID [1]?
Do you want to accept sessions from non-configured DCSs [yes]?
Hello Interval [3]
Dead Factor [3]?
( 1) Use burned in ESI
( 2) 111111111111
( 3) 222222222222
( 4) 121212121212
( 5) AAAAAAAAAAAA
Server Synchronization ESI [2]?
Server Synchronization selector, Range 00..FF [00]? 12
Server Synchronization Max SDU size (bytes) [9188]?
Re-registration time with Arp Server (in minutes) [15]?
To enable or change multicast support,
please issue the ADD or CHANGE MULTICAST-SUPPORT command.
Example for IPX:
ARP config> change atm-arp-client-configuration
Interface Number [0]?
Protocol [IP]? IPX
Refresh timeout (in minutes) [5]?
Enable auto-refresh? [Yes]:
( 1) Use burned in ESI
Select ESI [1]?
Use internally assigned selector? [No]:
Selector Only, Range 00..FF [00]? 20
Validate PCR for best effort VCCs? [No]:
Maximum Reserved Bandwidth for incoming VCCs (Kbps) [0]?
Use Best Effort Server for Data VCCs? [Yes]:
Peak Cell Rate of outbound data VCCs (Kbps) [0]?
Sustained Cell Rate of outbound Data VCCs (Kbps) [0]?
Max SDU size (bytes) [9188]?
Since only one IPX ATM-ARP client configuration record exists for an ATM interface, you are not prompted to enter a protocol address.
Example for Bridging:
ARP config> change atm-arp-client-configuration Interface Number [0]? Protocol [IP]? asrt Client Address (Port Number) [0]? 2 (1) ( 1) Use burned in ESI Select ESI [1]? Use internally assigned selector? [No]: Selector Only, Range 00..FF [0A]? Validate PCR for best effort VCCs? [No]: Use Best Effort Service for Data VCCs? [Yes]: Peak Cell Rate of outbound Data VCCs (Kbps) [0]? Sustained Cell Rate of outbound Data VCCs (Kbps) [0]? Max SDU size (bytes) [9188]?
| Note: | (1) In the case of Bridging, you are prompted for a port number
instead of a protocol address.
Also, if using SVC support for a particular port, an internally assigned selector should not be used for the corresponding client. The selector must be specified by the user so that the ATM address for this client is definitively known for configuration at the other end. |
Use of this command is required only if you wish to use values other than the defaults for the traffic parameters.
See page *** for a description of the parameters you can change.
Use the delete command to delete an arp-server, atm-arp-client-configuration, pvc-atm-arp-entry, or svc-atm-arp-entry.
Syntax:
Specify the address of the arp-server. This question is preceded by a list of valid arp-servers or DCSs from which the selection is to be made.
Valid Values: any of the values listed in the menu preceding this question.
Default Value: 0
Example for IP:
ARP config> del arp-server
ATM Arp Remote Server List:
IP Address Number Address / Sub Address
1.1.1.1 [ 1] 39.84.0F.00.00.00.00.00.00.00.00.00.02.
11.11.11.11.11.11.11
1.1.1.1 [ 2] 39.84.0F.00.00.00.00.00.00.00.00.00.03.
AA.AA.AA.AA.AA.AA.AA
Number of the IP Address/Arp Server pair to be deleted
Default of 0 will delete nothing [0]? 1
Specify the interface number, protocol, and Client IP address.
Default value: 0
Default value: IP
Default Value: 1.1.1.100
Example for IP:
ARP config> del atm-arp-client-configuration
Interface Number [0]?
Protocol [IP]?
Client IP Address [1.1.1.100]? 2.2.3.100
ATM ARP Client Config record deleted
Example for IPX:
ARP config> del atm-arp-client-configuration
Interface Number [0]?
Protocol [IP]? IPX
ATM ARP Client Config record deleted
Since only one IPX ATM-ARP client configuration record exists for an ATM interface, you are not prompted to enter a protocol address.
For field descriptions, refer to the preceding example for IP.
Example for Bridging:
ARP config> del atm-arp-client-configuration Interface Number [0]? Protocol [IP]? ASRT Clients for this protocol can only be changed here. Deletions must be done under ASRT Config by deleting a port.
Specify the entry number for the pvc-atm-arp-entry you want deleted.
Example for IP and IPX:
ARP config> del pvc
ATM Arp Permanent Virtual Circuit Definitions
No. IF# Prot# P/S Protocol -> VPI / VCI
1 0 0 P 0.0.0.0 -> 00 / 0029
2 0 7 P 00.00.00.00.00.00 -> 00 / 0037
Which Arp entry do you want to delete [0]? 1
ATM Arp entry 1 being deleted
No. 1 is an IP PVC and No. 2 is an IPX PVC.
Example for Bridging:
ARP config> del pvc
ATM Arp Permanent Virtual Circuit Definitions
No. IF# Prot# P/S Protocol -> VPI / VCI (Client Address)
1 0 23 P -> 0 / 87 (Port: 1)
Which Arp entry do you want to delete [0]? 1
Channels for this protocol must be deleted under ASRT Config by
deleting a port.
Specify the entry number for the svc-atm-arp-entry you want deleted.
Example for IP and IPX:
ARP config> del svc
ATM Arp Switched Virtual Circuit Definitions
No. IF# Prot# P/S Protocol -> Destination ATM Address
1 0 0 S 0.0.0.0 ->
39.84.0F.00.00.00.00.00.00.00.00.00.02.10.00.5A.00.DE.AD.03
2 0 7 P 00.00.00.00.00.00 ->
39.84.0F.00.00.00.00.00.00.00.00.00.02.11.00.B7.38.AA.BB.12
Which Arp entry do you want to delete [0]? 1
ATM Arp entry 1 being deleted
No. 1 is an IP SVC and No. 2 is an IPX SVC.
Example for Bridging:
ARP config>del svc
ATM Arp Switched Virtual Circuit Definitions
No. IF Prot P/S Protocol -> Destination ATM Address (Client)
2 0 23 S -> 39.11.22.33.44.55.66.77.88.99.00.11.22
33.44.55.66.77.88.99 (Port: 2)
Which Arp entry do you want to delete [0]? 2
Channels for this protocol must be deleted under ASRT Config by deleting a port.
Use the disable command to disable auto-refresh of ARP entries.
The auto-refresh configuration value is overridden by the setting of auto-refresh at the atm-arp-client configuration. See page *** for information about atm-arp-client configuration parameters.
Syntax:
Valid Values: Yes or No
Default Value: Yes for client, No for Server
Use the enable command to enable auto-refresh of ARP entries.
The auto-refresh configuration value is overridden by the setting of auto-refresh at the atm-arp-client configuration. See page *** for information about atm-arp-client configuration parameters.
Syntax:
Valid Values: Yes or No
Default Value: No for client, Yes for Server
Use the list command to display the contents of the router's ARP configuration as stored in SRAM. The list command also displays the current settings for the refresh and usage timer.
Syntax:
Example: list all
ARP config> list all
ARP configuration:
Refresh timeout: 5 minutes
Auto refresh: disabled
Mac address translation configuration
No arp entries defined
ATM Arp Server List:
IP Address Number Address / Sub Address
1.1.1.1 [ 1] 39.84.0F.00.00.00.00.00.00.00.00.00.02.
11.11.11.11.11.11.11
1.1.1.1 [ 2] 39.84.0F.00.00.00.00.00.00.00.00.00.03.
AA.AA.AA.AA.AA.AA.AA
ARP config> list arp-servers
ATM Arp Remote Server List:
IP Address Number Address / Sub Address
1.1.1.1 [ 1] 39.84.0F.00.00.00.00.00.00.00.00.00.02.
11.11.11.11.11.11.11
1.1.1.1 [ 2] 39.84.0F.00.00.00.00.00.00.00.00.00.03.
AA.AA.AA.AA.AA.AA.AA
ARP config> list atm ATM Arp Clients: -------------------------------------------------- If: 0 Prot: 0 Addr: 1.1.1.2 ESI: 11.11.11.11.11.11 Sel: 11 Server: yes Refresh T/O: 20 AutoRefr: yes By InArp: yes Validate PCR: no Use Best Effort: yes/yes (Control/Data) Max B/W(kbps): 0 Cell Rate(kbps): Peak: 0/ 0 Sustained: 0/ 0 Max SDU(bytes): 9188 Server Synchronization: yes SGID: 1 Secure DCSs: no Hello Interval: 3 Dead Factor: 3 Server Synchronization ESI: 11.11.11.11.11.11 Selector: 12 Server Synchronization Max SDU(bytes): 9188 Arp Server Re-registration time in (minutes): 15 Multicast Support: no Broadcast Support: no
See *** for field descriptions.
ARP config>list red ATMARP Clients with Redundancy Configured ----------------------------------------- If: 0 Prot: IP Addr: 1.1.1.2 Red. ESI: bb.bb.bb.bb.bb.bb Red. SEL: bb Pri/Secy: Secondary Partner's (Red.) ATM Address: 39.84.0F.00.00.00.00.00.00.00.00.00.01.aa.aa.aa.aa.aa.aa.aa Partner Server ESI: BB.BB.BB.BB.BB.BB.BB Partner Server SEL: AA Redundancy Default IP Gateway Address: 1.1.1.3 -----------------------------------------
ARP config>list red ATMARP Clients with Redundancy Configured ----------------------------------------- If: 0 Prot: IP Addr: 2.2.2.2 Red. ESI: aa.aa.aa.aa.aa.aa Red. SEL: aa Pri/Secy: Primary Partner's (Red.) ATM Address: 39.84.0F.00.00.00.00.00.00.00.00.00.01.bb.bb.bb.bb.bb.bb.bb Partner Server ESI: BB.BB.BB.BB.BB.BB.BB Partner Server SEL: AA Redundancy Default IP Gateway Address: 1.1.1.3 -----------------------------------------
If primary, the client/server will place a call from its redundancy ATM address to the secondary's redundancy ATM address.
If secondary, this client/server will be idle as long as the redundancy VCC is established.
If peer, the server with the higher redundancy ATM address places the call.
ARP config> list pvc
ATM Arp Permanent Virtual Circuit Definitions
No. IF# Prot# P/S Protocol -> VPI / VCI
1 0 0 P 0.0.0.0 -> 00 / 0029
ARP config> list svc
ATM Arp Switched Virtual Circuit Definitions
No. IF# Prot# P/S Protocol -> Destination ATM Address
2 0 0 S 0.0.0.0 ->
39.84.0F.00.00.00.00.00.00.00.00.00.02.10.00.5A.00.DE.AD.03
Use the reorder command to select the primary ARP Server from a list of ARP Servers. This command is useful for clients only.
Syntax:
Example: reorder arp
ATM Arp Remote Server List:
IP Address Number Address / Sub Address
1.1.1.1 [ 1] 39.84.0F.00.00.00.00.00.00.00.00.00.02.
11.11.11.11.11.11.11
1.1.1.1 [ 2] 39.84.0F.00.00.00.00.00.00.00.00.00.03.
AA.AA.AA.AA.AA.AA.AA
Number of the IP Address/Arp Server ATM Address pair to be made Primary
Default of 1 will change nothing [1]?
Use the Set command to set the refresh timer value (in minutes). ARP entires will age out after this number of minutes if they are not refreshed.
Syntax:
Valid Values: An integer number of minutes in the range of 0 to 65535
Default Value: 5
Sample configurations show the complete sequence of events for that configuration.
Configuring a partner
The following sample shows configuring the a ARP Server for ARP Server Redundancy.
Notes:
Config (only)>add device atm (1) Device Slot #(0-3) [0]? Adding CHARM ATM Adapter device in slot 0 port 1 as interface #0 Use "net 0" to configure CHARM ATM Adapter parameters Config (only)>net Network number [0]? ATM user configuration ATM Config>int ATM interface configuration ATM Interface Config>add esi (2) ESI in 00.00.00.00.00.00 form []? 11.11.11.11.11.11 ATM Interface Config>add esi ESI in 00.00.00.00.00.00 form []? aa.aa.aa.aa.aa.aa ATM Interface Config>exit ATM Config>exit Config (only)>p ip Internet protocol user configuration IP config>add addr (3) Which net is this address for [0]? New address [0.0.0.0]? 1.1.1.1 Address mask [255.0.0.0]? IP config>exit
Config (only)>p arp (4). ARP user configuration ARP config>add atm (5) Interface Number [0]? Protocol [IP]? Client IP Address [0.0.0.0]? 1.1.1.1 This client is also a server? [No]: yes (6) Refresh timeout (in minutes) [20]? Enable auto-refresh? [Yes]: Refresh by InAtmArp? [Yes]: ( 1) Use burned in ESI ( 2) 111111111111 ( 3) AAAAAAAAAAAA Select ESI [1]? 2 (7) Use internally assigned selector? [Yes]: n Selector Only, Range 00..FF [00]? 11 Validate PCR for best effort VCCs? [No]: Maximum Reserved Bandwidth for incoming VCCs (Kbps) [0]? Use Best Effort Server for Control VCCs? [Yes]: Peak Cell Rate of outbound control VCCs (Kbps) [0]? Sustained Cell Rate of outbound control VCCs (Kbps) [0]? Use Best Effort Server for Data VCCs? [Yes]: Peak Cell Rate of outbound Data VCCs (Kbps) [0]? Sustained Cell Rate of outbound Data VCCs (Kbps) [0]? Max SDU size (bytes) [9188]? Participate in Server Synchronization [N]? Re-registration time with Arp Server (in minutes) [15]? ARP config>add red (8) Interface Number [0]? Protocol [IP]? Local client IP Address [0.0.0.0]? 1.1.1.1 Note: Local Redundancy ESI must be different from the Primary Server ESI ( 1) Use burned in ESI ( 2) 111111111111 ( 3) AAAAAAAAAAAA Select Local Redundancy ESI [1]? 3 Local Redundancy selector, Range 00..FF [00]? aa Partner's (Redundancy) ATM Address, 40 Hex digits [0000000000000000000000000000000000000000]? 39.84.0F.00.00.00.00.00.00.00.00.00.01.bb.bb.bb.bb.bb.bb.bb Redundancy default IP Gateway also ? [Yes]: If Yes, Redundancy default IP Gateway protocol address [0.0.0.0]? 1.1.1.3 ARP config>exit Config (only)>reload Are you sure you want to reload the gateway? (Yes or [No]): yes EXIT, reload requested
Configuring the Partner
The following sample shows configuring the partner for ARP Server Redundancy.
Notes:
Config (only)>add device atm (1) Device Slot #(0-3) [0]? Adding CHARM ATM Adapter device in slot 0 port 1 as interface #0 Use "net 0" to configure CHARM ATM Adapter parameters Config (only)>net Network number [0]? ATM user configuration ATM Config>int ATM interface configuration ATM Interface Config>add esi ESI in 00.00.00.00.00.00 form []? 11.11.11.11.11.11 ATM Interface Config>add esi (2) ESI in 00.00.00.00.00.00 form []? bb.bb.bb.bb.bb.bb ATM Interface Config>exit ATM Config>exit Config (only)>p ip Internet protocol user configuration IP config>add addr Which net is this address for [0]? New address [0.0.0.0]? 1.1.1.2 Address mask [255.0.0.0]? IP config>exit
Config (only)>p arp (3) ARP user configuration ARP config>add atm (4) Interface Number [0]? Protocol [IP]? Client IP Address [0.0.0.0]? 1.1.1.2 This client is also a server? [No]: no (5) Refresh timeout (in minutes) [5]? Enable auto-refresh? [no]: Refresh by InAtmArp? [no]: ( 1) Use burned in ESI ( 2) 111111111111 ( 3) BBBBBBBBBBBB Select ESI [1]? 1 (6) Use internally assigned selector? [Yes]: y Validate PCR for best effort VCCs? [No]: Maximum Reserved Bandwidth for incoming VCCs (Kbps) [0]? Use Best Effort Server for Control VCCs? [Yes]: Peak Cell Rate of outbound control VCCs (Kbps) [0]? Sustained Cell Rate of outbound control VCCs (Kbps) [0]? Use Best Effort Server for Data VCCs? [Yes]: Peak Cell Rate of outbound Data VCCs (Kbps) [0]? Sustained Cell Rate of outbound Data VCCs (Kbps) [0]? Participate in Server Synchronization (Y or N) [N]? N Max SDU size (bytes) [9188]? Re-registration time with Arp Server (in minutes) [15]? ARP config> add arp-server private-nsapa(7) Local Client IP Address [0.0.0.0]? 1.1.1.2 Private NSAP Address: Specify 40 digits ATM Address []? 39840F0000000000000000000111111111111111 ARP config>add red (8) Interface Number [0]? Protocol [IP]? Local client IP Address [0.0.0.0]? 1.1.1.2 Note: Local Redundancy ESI must be different from the Primary Server ESI ( 1) Use burned in ESI ( 2) 111111111111 ( 3) BBBBBBBBBBBB Select Local Redundancy ESI [1]? 3 Local Redundancy selector, Range 00..FF [00]? bb Partner's (Redundancy) ATM Address, 40 Hex digits [0000000000000000000000000000000000000000]? 39.84.0F.00.00.00.00.00.00.00.00.00.01.aa.aa.aa.aa.aa.aa.aa (9) ( 1) Use burned in ESI ( 2) 111111111111 ( 3) BBBBBBBBBBBB Select Partner Server ESI [1]? 2 Partner selector, Range 00..FF [00]? 11 Redundancy default IP Gateway also ? Yes If Yes, Redundancy default IP Gateway protocol address [0.0.0.0]? 1.1.1.3 ARP config>exit Config (only)>reload Are you sure you want to reload the gateway? (Yes or [No]): yes EXIT, reload requested
Notes:
Use the following procedure to access the ARP monitoring commands. This process gives you access to the ARP monitoring process.
* talk 5
+
After you enter the talk 5 command, the GWCON prompt (+) displays on the terminal. If the prompt does not appear when you first enter configuration, press Return again.
Example:
+ prot arp
ARP>
This section describes the ARP monitoring commands for non-ATM nets. You can access ARP monitoring commands at the ARP> prompt.
| Note: | If the device's software load does not contain Asynchronous Transfer Mode (ATM), ATM-related commands are not valid and are not displayed at the ARP configuration and monitoring prompts. |
Table 40. ARP monitoring Commands for non-ATM Networks Summary
| Command | Function |
|---|---|
| ? (Help) | Displays all the commands available for this command level or lists the options for specific commands (if available). See "Getting Help". |
| Clear | Clear the cache for a specified interface. |
| Dump | Display the cache for a specified interface. |
| Hardware | List each ARP-configured network. |
| Ping | Verify connectivity between the device and the specified end station. |
| Protocol | List each ARP-configured protocol. |
| Statistics | Display ARP information. |
| Exit | Returns you to the previous command level. See "Exiting a Lower Level Environment". |
Use the clear command to flush the ARP cache for a given network interface.
The clear command can be used to force the deletion of bad transactions.
To clear a particular interface, enter the interface or network number as part of the command. To obtain the interface number, use the CONFIG list devices command.
Syntax:
Example: clear 1
Use the dump command to display the ARP cache for a given network/protocol combination. To display the ARP cache for a particular interface, enter the interface or network number as part of the command. To obtain the interface number, use the CONFIG list devices command.
If there is more than one protocol on that network, the protocol number must also be given. This causes the monitoring to display the hardware address-to-protocol mappings stored in that database. If ARP is in use by only one protocol on the specified interface, then the protocol number is optional. To obtain the protocol number, use the CONFIG protocol command.
The dump command display shows the hardware address, the protocol address, and the refresh timer parameter for each mapping.
Syntax:
Example: dump 2 ip
ARP>du 2 ip Hardware Address IP Address IP-Encap Refresh 02-07-01-00-00-01 1.1.1.1 19 a1-b2-c3-4d-5e-6f 1.1.1.2 ieee 802.3 Permanent 100 1.1.1.3 ieee 802.3 Permanent 16 1.1.1.5 Not Aging
Notes:
Use the hardware command to display the networks registered with ARP. The hardware command lists each ARP-registered network, and displays each network's hardware address space (Hardware AS) and local hardware address.
Syntax:
Example: hardware
Network Hardware AS Hardware Address
1 FR/0 000F 1023
5 TKR/0 0006 00:00:C9:09:32:EF
8 Eth/0 0001 AA-00-04-00-26-14
9 IPPN/0 2048 128.185.214.38
10 BDG/0 0001 00-00-93-90-4C-F7
| Note: | The IPPN entry refers to IP Tunneling where the hardware address field indicates the IP address of the IP Tunnel. |
Use the ping command to have the router send ICMP Echo Requests to a given destination. For more information on the ping command, see "Ping".
Use the protocol command to display (by network) the protocols that have addresses registered with ARP. This command displays the network, protocol name, protocol number, protocol address space (in hexadecimal), and local protocol addresses.
Syntax:
Example: protocol
Network Protocol (num) AS Protocol Address(es)
5 TKR/0 IP (00) 800 128.185.209.38
6 TKR/1 IP (00) 800 10.1.181.38
8 Eth/0 IP (00) 800 128.185.221.38
8 Eth/0 AP2 (22) 80F3 221/38
| Note: | SR entries refer to Source Routing - the protocol address is used to indicate the MAC address. Use the token-ring dump command to view actual RIF entries. |
Use the statistics command to display a variety of statistics about the operation of the ARP module.
Syntax:
Example: statistics
ARP input packet overflows
Net Count
PPP/0 0
PPP/1 0
TKR/0 0
IPPN/0 0
BDG/0 0
ARP cache meters
Net Prot Max Cur Cnt Alloc Refresh: Tot Failure TMOs: Refresh
0 0 1 1 1 17 0 0 13
0 22 1 0 0 6 0 0 6
1 0 1 1 2 27 0 0 25
1 16 3 3 7 291 0 0 0
2 0 1 0 0 2 0 0 2
2 16 1 0 0 1 0 0 0
8 0 1 1 1 11 0 0 10
| ARP input packet overflows | Displays counters that represent the number of ARP packets discarded on input because the ARP layer was too busy. The counts shown are per network interface. |
| ARP cache meters | Consists of a variety of meters on the operation of the ARP cache. The counts shown are all per protocol, per interface. |
| Net | Displays the interface numbers. |
| Prot | Displays the protocol numbers. |
| Max | Displays the all-time maximum length hash chain. |
| Cur | Displays the current maximum length hash chain. |
| Cnt | Displays the count of entries currently active. |
| Alloc | Displays the count of entries created. |
| Rfrsh:Tot | Displays the number of refresh requests sent for this network interface and protocol. |
| Fail | Displays the number of auto-refresh attempt failures due to unavailability of internal resources. This count is not related to whether or not an entry was refreshed. |
| TMOs:Rfrsh | Displays the count of entries deleted due to a timeout of the refresh timer. |
This section describes the ARP over ATM (CIP) monitoring commands. It describes the monitoring commands for:
The monitoring commands for IPX over ATM are essentially the same as those for Classical IP and ARP. The main difference is the format of protocol addresses:
| Note: | The ping command for IPX over ATM is different from that used for Classical IP and ARP. The IPX version of the ping command is available at the IPX monitoring. You can access ARP monitoring commands at the ARP> prompt. Table 41 shows the commands. |
For further information, refer to "Classical IP and ARP Over ATM (RFC 1577)" and "IPX and ARP Over ATM Overview (RFC 1483)". For additional information on ARP over
ATM, and for illustrations showing logical and physical network
configurations, refer to Nways Multiprotocol Access Services Software
User's Guide
Table 41. ARP Over ATM Monitoring Command Summary
| Command | Function |
|---|---|
| ? (Help) | Displays all the commands available for this command level or lists the options for specific commands (if available). See "Getting Help". |
| Delete | Immediately bring down an active channel. A new channel may or may not be brought up to replace the old one depending on the conditions. |
| Display | Display all of the channels (VCCs) associated with a single ATM interface. |
| Dump | Show which ATM channels are being used for sending datagrams and show their corresponding IP addresses. |
| Hardware | List each ARP-configured network. |
| Ping | Verify connectivity between the device and the specified end station. |
| Protocol | List each ARP-configured protocol. |
| Redundancy-State | Display IP clients configured with Redundancy |
| Statistics | Display statistics of the ARP code over all of the network interfaces. |
| Exit | Returns you to the previous command level. See "Exiting a Lower Level Environment". |
Use the activate command to activate configured Classical IP and IPX over RFC 1483 PVCs or SVCs without having to reboot the device.
Syntax:
Example:
ARP> activate chan spec 0 ATM Arp PVC/SVC(s) Activated: No. IF# Prot# P/S Protocol -> VPI/VCI or Dest ATM Addr (Client Addr) 2 0 0 P 4.2.11.2 -> 00/924 3 0 0 S ->39.84.0F.00.00.00.00.00.00.00.00.00.01.10.00.5A.00.AB.CD.C8
Use the delete command to immediately bring down an active channel. A new channel may or may not be brought up to replace the old one depending on the conditions.
Delete a specific channel off of the Active Channel List. One should use great care when invoking this option. The channel specified by the VPI/VCI is deleted if it is found on the active channel list. Before deletion, the channel is released with a normal hang-up cause code. All ARP entries that are dependent on this particular channel are also deleted.
Syntax:
Example: delete
ARP> del 0
VPI, Range 00..FF [00]?
VCI, Range 0000..FFFF [0000]? 0020
Channel found and deleted
Use the display command to display all of the channels (VCCs) associated with a single ATM interface.
Syntax:
Example: display
ARP> display 0
Active Channel List : Net 0
P/S FLAGS LIST VPI/VCI FwdPcr FwdScr MaxSDUsz Control P2P
0) S 80 01 00/0020 155000000 155000000 9188 T T
Tgt Addr. 39.84.0F.00.00.00.00.00.00.00.00.00.02.10.00.5A.00.DE.AD.02
Client Address (owner): 1.1.1.100
Target Protocol Addresses: 1.1.1.2
New Channel List : Net 0
PVC Channel List : Net 0
P/S FLAGS LIST VPI/VCI FwdPcr FwdScr MaxSDUsz Control P2P
1) P 80 03 00/0085 155000000 155000000 9188 F T
Tgt Addr:
Client Address (owner): 3.5.5.5
Target Protocol Addresses: 3.4.4.4
Use the dump command to show which ATM channels are being used for sending datagrams, and their corresponding destination IP addresses.
This table represents the entire ARP table for a physical ATM network running Classical IP. The hardware address is the resultant VCC identifier (VPI/VCI) for an active channel. That is, all traffic that is to be sent to the IP address will be transmitted out on the associated channel (listed under Hardware Address).
| Note: | If the host on the other end of the channel sends either a request or reply with its own address, we will automatically reset the refresh time to its maximum value. |
Syntax:
Example: dump
ARP>du 0 Hardware Address IP Address Refresh Origin Srvrid Seq number 0/0 1.1.1.1 19 1.1.1.1 868997267 0/0 1.1.1.2 permanent 1.1.1.2 868997028 0/0 1.1.1.3 permanent 1.1.1.2 868997028 0/35 1.1.1.5 20 1.1.1.2 868997042
Under Refresh, the time specified is the approximate time before the ARP entry is aged out (in minutes). If autorefresh is turned on, then an ARP request or an InATMARP request will be sent out 30 seconds before the expiration. If a reply is received before expiration, the Refresh time is reset, and the ARP entry remains. If no reply is received, or if autorefresh is turned off, the ARP entry will be deleted when it expires. It will be recreated as required.
The following are valid Refresh states:
Use the hardware command to list all of the ATM addresses associated with each configured IP client.
Syntax:
Example: hardware
ARP> hardware
Network Hardware AS Hardware Address
0 ATM/0 0013 39.84.0F.00.00.00.00.00.00.00.00.00.01.
10.00.5A.00.DE.AD.C8 (IP 1.1.1.100)
1 IPPN/0 0800 1.1.1.100
Use the ping command to verify connectivity between the device and the specified end station.
Ping works exactly as it does over any of the other networks. It sends out an ICMP echo request every second, and displays statistics of the corresponding replies. Note that the source address in the request will contain the client's address that most closely matches the subnet of the destination.
Syntax:
Example: ping
ARP> ping 1.1.1.2
PING 1.1.1.100 -> 1.1.1.2: 56 data bytes, ttl=64, every 1 sec.
56 data bytes from 1.1.1.2: icmp_seq=0. ttl=64. time=19. ms
56 data bytes from 1.1.1.2: icmp_seq=1. ttl=64. time=11. ms
----1.1.1.2 PING Statistics----
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 11/15/19 ms
Use the protocol command to list all the client addresses on each of the network interfaces. This is exactly the same as for other interfaces. For an ATM interface, the list of Protocol Addresses are all of the CIP clients configured on this interface.
Syntax:
Example: protocol
ARP> protocol
Network Protocol (num) AS Protocol Address(es)
0 ATM/0 IP ( 0) 0800 1.1.1.100
Use the redundancy-state command to display (by network) the IP clients that are configured with redundancy.
Syntax:
The following example shows the Redundancy monitoring section on the primary ARP Server when the Redundancy channel is inactive.
CGW Operator monitoring
+p arp
ARP>red
Network number [0]?
Protocol [IP]
If: 0 Prot: IP Clients configured with Redundancy
---------------------------------------------------------
Addr: 1.1.1.1 Place Redundancy Call: Yes Real Esi: Up Red. Esi: Up Red. Chnl: Down
FLAGS: Real Client: C8 Red. Client: C8 RedFlags: C0
Red. Channel: 0/0
Red. Channel: Source ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.AA.AA.AA.AA.AA.AA.AA
Red. Channel: Target ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.BB.BB.BB.BB.BB.BB.BB
Redundancy Status: Active
Redundancy default IP Gateway protocol address: 1.1.1.3
The following example shows the Redundancy monitoring section on the primary Server when the Redundancy channel is active.
CGW Operator monitoring
+p arp
ARP>red
Network number [0]?
Protocol [IP]?
If: 0 Prot: IP Clients configured with Redundancy
---------------------------------------------------------
Addr: 1.1.1.1 Place Redundancy Call: Yes Real Esi: Up Red. Esi: Up Red. Chnl: Up
FLAGS: Real Client: C8 Red. Client: C8 RedFlags: D0
Red. Channel: (VPI/VCI) 0/32
Red. Channel: Source ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.AA.AA.AA.AA.AA.AA.AA
Red. Channel: Target ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.BB.BB.BB.BB.BB.BB.BB
Redundancy Status: Active
Redundancy default IP Gateway protocol address: 1.1.1.3
---------------------------------------------------------
The following example shows the Redundancy monitoring section on the partner when the Redundancy channel is inactive and the partner is acting as the backup Arp Server.
ARP>red
Network number [0]?
Protocol [IP]?
If: 0 Prot: IP Clients configured with Redundancy
---------------------------------------------------------
Addr: 1.1.1.2 Place Redundancy Call: No Real Esi: Up Red. Esi: Up Red. Chnl: Down
FLAGS: Real Client: C8 Red. Client: C8 RedFlags: 80
Red. Channel: 0/0
Red. Channel: Source ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.BB.BB.BB.BB.BB.BB.BB
Red. Channel: Target ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.AA.AA.AA.AA.AA.AA.AA
Redundancy Status: Active
Partner Server ESI: 11.11.11.11.11.11, Partner Server SEL: 11, In backup Server mode
Redundancy default IP Gateway Protocol address: 1.1.1.3
--------------------------------------------
The following example shows the Redundancy monitoring section on the secondary when the Redundancy channel is active and the secondary is acting as client and not in backup ARP Server mode (Since Primary ARP server is active).
ARP>red
Network number [0]?
Protocol [IP]?
If: 0 Prot: IP Clients configured with Redundancy
---------------------------------------------------------
Addr: 1.1.1.2 Place Redundancy Call: No Real Esi: Down Red. Esi: Up Red. Chnl: Up
FLAGS: Real Client: C0 Red. Client: C8 RedFlags: 90
Red. Channel: (VPI/VCI) 0/32
Red. Channel: Source ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.BB.BB.BB.BB.BB.BB.BB
Red. Channel: Target ATM address
39.84.0F.00.00.00.00.00.00.00.00.00.01.AA.AA.AA.AA.AA.AA.AA
Redundancy Status: Inactive, not trying ...
Partner Server ESI: 11.11.11.11.11.11, Partner Server SEL: 11, Acting as a Client
Redundancy default IP Gateway Protocol address: 1.1.1.3
--------------------------------------------
ARP>exit
The following fields are displayed from the Redundancy monitoring:
Use the statistics command to display statistics of the ARP code over all of the network interfaces. These statistics are the same as the statistics in the ARP code over any of the other interfaces as described in "Statistics".
Syntax:
Example: statistics
ARP> statistics
ARP input packet overflows
Net Count
ATM/0 0
IPPN/0 0
BDG/0 0
ARP cache meters
Net Prot Max Cur Cnt Alloc Refresh: Tot Failure TMOs: Refresh
0 0 1 1 1 1 0 0 0
This section describes dynamic reconfiguration (DR) as it affects Talk 6 and Talk 5 commands.
ARP over ATM supports the CONFIG (Talk 6) delete interface command with the following consideration:
When an ATM or Virtual ATM interface is deleted, all ATM ARP client, PVC, SVC and redundancy information related to that interface is deleted.
ARP over ATM supports the GWCON (Talk 5) activate interface command with the following consideration:
If MARS is enabled on the ATM ARP client, then activate is not supported.
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON (Talk 5) activate interface command is
invoked:
| Commands whose changes are activated by the GWCON (Talk 5) activate interface command |
| CONFIG, protocol, arp, add arp-server private-nsapa |
| CONFIG, protocol, arp, add atm-arp-client-configuration |
| CONFIG, protocol, arp, add pvc-atm-arp-entry |
| CONFIG, protocol, arp, add redundancy |
| CONFIG, protocol, arp, add svc-atm-arp-entry |
| CONFIG, protocol, arp, change atm-arp-client-configuration |
| CONFIG, protocol, arp, change redundancy |
| CONFIG, protocol, arp, reorder arp-server |
| Commands performed as part of the GWCON (Talk 5) activate interface command |
| GWCON, protocol, arp, activate channel specific |
| GWCON, protocol, arp, activate svc specific |
| GWCON, protocol, arp, activate pvc specific |
ARP over ATM supports the GWCON (Talk 5) reset interface command with the following consideration:
If MARS is enabled on the ATM ARP client, then reset is not supported.
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON (Talk 5) reset interface command is
invoked:
| Commands whose changes are activated by the GWCON (Talk 5) reset interface command |
| CONFIG, protocol, arp, add arp-server private-nsapa |
| CONFIG, protocol, arp, add atm-arp-client-configuration |
| CONFIG, protocol, arp, add pvc-atm-arp-entry |
| CONFIG, protocol, arp, add redundancy |
| CONFIG, protocol, arp, add svc-atm-arp-entry |
| CONFIG, protocol, arp, change atm-arp-client-configuration |
| CONFIG, protocol, arp, change redundancy |
| CONFIG, protocol, arp, delete arp-server |
| CONFIG, protocol, arp, delete atm-arp-client-configuration |
| CONFIG, protocol, arp, delete pvc-atm-arp-entry |
| CONFIG, protocol, arp, delete redundancy |
| CONFIG, protocol, arp, delete svc-atm-arp-entry |
| CONFIG, protocol, arp, reorder arp-server |
| Commands performed as part of the GWCON (Talk 5) reset interface command |
| GWCON, protocol, arp, activate channel specific |
| GWCON, protocol, arp, activate svc specific |
| GWCON, protocol, arp, activate pvc specific |
ARP over ATM supports the following ARP over ATM-specific GWCON (Talk 5) reset commands:
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON, protocol, arp, activate channel
specific command is invoked:
| Commands whose changes are activated by the GWCON, protocol, arp, activate channel specific command |
| CONFIG, protocol, arp, add pvc-atm-arp-entry |
| CONFIG, protocol, arp, add svc-atm-arp-entry |
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON, protocol, arp, activate channel all
command is invoked:
| Commands whose changes are activated by the GWCON, protocol, arp, activate channel all command |
| CONFIG, protocol, arp, add pvc-atm-arp-entry |
| CONFIG, protocol, arp, add svc-atm-arp-entry |
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON, protocol, arp, activate svc specific
command is invoked:
| Commands whose changes are activated by the GWCON, protocol, arp, activate svc specific command |
| CONFIG, protocol, arp, add svc-atm-arp-entry |
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON, protocol, arp, activate svc all
command is invoked:
| Commands whose changes are activated by the GWCON, protocol, arp, activate svc all command |
| CONFIG, protocol, arp, add svc-atm-arp-entry |
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON, protocol, arp, activate pvc specific
command is invoked:
| Commands whose changes are activated by the GWCON, protocol, arp, activate pvc specific command |
| CONFIG, protocol, arp, add pvc-atm-arp-entry |
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON, protocol, arp, activate pvc all
command is invoked:
| Commands whose changes are activated by the GWCON, protocol, arp, activate pvc all command |
| CONFIG, protocol, arp, add pvc-atm-arp-entry |
The following table summarizes the ARP over ATM configuration changes that
are activated when the GWCON, protocol, ip, reset ip command is
invoked:
| Commands whose changes are activated by the GWCON, protocol, ip, reset ip command |
| CONFIG, protocol, arp, add arp-server private-nsapa |
| CONFIG, protocol, arp, add atm-arp-client-configuration |
| CONFIG, protocol, arp, add pvc-atm-arp-entry |
| CONFIG, protocol, arp, add redundancy |
| CONFIG, protocol, arp, add svc-atm-arp-entry |