set protocols ospf6 graceful-restart helper lsa-checking-disable
- Tracy Yang
Run the command set protocols ospf6 graceful-restart helper lsa-checking-disable to configure strict LSA checking on the Helper Router. Optional parameter vrf can be used to specify a VRF, if no VRF is specified the command takes effect on the default VRF. OSPFv3 strict LSA checking is disabled by default.
Optional parameter instance-id can be included to specify the OSPFv3 multi-instance ID in the default VRF.
Multiple instances of OSPF are only allowed in the default VRF. A maximum of 8 instance can be configured in the default VRF. In non-default VRFs, only single instance OSPF can be configured.
The command delete protocols ospf6 graceful-restart helper lsa-checking-disable can be used to remove this configuration.
Command Syntax
set protocols ospf6 [instance-id <instance-id>] [vrf<vrf-name>] graceful-restart helper strict-lsa-checking
delete protocols ospf6 [instance-id <instance-id>] [vrf <vrf-name>] graceful-restart helper strict-lsa-checking
Parameter
Parameter | Description |
| instance-id <instance-id> | Optional, specifies the OSPF instance ID. The value is an integer that ranges from 1 to 8. |
vrf <vrf-name> | Optional. Specifies the name of the VRF for the OSPF instance. |
Usage Guidelines
The strict LSA checking feature allows a helper router to terminate the graceful restart process if it detects a changed LSA that would cause flooding during the graceful restart process. You can enable strict LSA checking on an OSPF helper to have the router terminate graceful restart when there is a change to an LSA that would be flooded to the restarting router. This feature takes effect only when the router is in helper mode.
Example
- Enable strict LSA checking on the Helper Router.
admin@PICOS# set protocols ospf6 instance-id 1 graceful-restart helper lsa-checking-disable admin@PICOS# commit
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