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Back to commonIpAttributes - SIP - CLI

 

This section lists SIP Common IP Attributes Registrar Recovery parameter details.

Use this configuration to control how SBC handles a primary SIP server failure. SBC is capable of registering to the alternate SIP server immediately when primary SIP server goes down, and will revert back to primary SIP server when is back up. The status of the servers is detected through Address Reachability Service (ARS) blacklist. For every switch from primary to secondary/alternate or from secondary/alternate to primary, the SBC queries the ERE/PSX to obtain the latest routing information and route refresh REGISTERs.

See Request Address Context - CLI for details of the command to query PSX on new refresh REGISTERs.

queryPsxOnNextRefreshRegister conditions:
  • This feature requires Pathcheck support using OPTIONS Ping and ARS static blacklisting to detect the reachability of a particular IP/FQDN.
  • If both request command and IPSP flags are configured, the request command takes precedence over IPSP flags.

Command Syntax

% set profiles signaling ipSignalingProfile DEFAULT_SIP commonIpAttributes registrarRecovery
	deRegisterAlternateOnPrimaryRecovery <disable | enable>
	overrideInternalExpiresTimer <disable | enable>
	registerToAlternateOnPrimaryDown <disable | enable>
	revertToPrimaryOnRecovery <disable | enable>

Command Parameters

Register Recovery

 

Parameter

Description

deRegisterAlternateOnPrimaryRecovery

Enable flag to allow SBC to de-register itself from the alternate SIP server when the connection with primary SIP server is established.

  • disable (default)
  • enable
Note

The flag revertToPrimaryOnRecovery must be enabled to use this flag.


overrideInternalExpiresTimer

Enable flag to override the internal expires timer for registration and forward refresh REGISTER to available SIP server.

When disabled, refresh REGISTER is answered locally by SBC until the internal Expires Timer expires.

  • disable (default)
  • enable

 

Note

The flag registerToAlternateOnPrimaryDown must be enabled to use this flag. The default value of the timer is 3600 seconds.


registerToAlternateOnPrimaryDown

Enable the flag to allow SBC to send refresh REGISTER to alternate SIP server when Primary SIP server is down or unreachable.

  • disable (default)
  • enable
revertToPrimaryOnRecovery

Enable flag to allow SBC to send refresh REGISTER to primary SIP server and reestablish the connection when primary SIP server is reachable.

  • disable (default)
  • enable

 

Note

The flag registerToAlternateOnPrimaryDown must be enabled to use this flag.


 

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