Configure Authentication Trailer with a manual key to provide authentication on OSPFv3 virtual-links.
| ospfv3 | Specifies OSPFv3 virtual-link. | 
| virtual-link | OSPFv3 virtual link. | 
| routerid | OSPFv3 router ID. | 
| router-identifier | Specifies the router identifier of the advertising router. | 
| area | OSPFv3 area. | 
| area-identifier | Specifies an OSPFv3 area, a four-byte, dotted decimal number. | 
| authentication | Specifies interface authentication. | 
| keychain | Specifies the set of authentication keys. | 
| keychain-name | Specifies the keychain name. | 
| none | Specifies no authentication (default). | 
If not specified, no authentication is applied.
Users can only add keychains that are already present on the system. Keychains can be created using this command create keychain keychain_name .
The following example for virtual-link with a router id of 10.1.1.3 and an area identifier of 1.1.1.1:
# configure ospfv3 virtual-link 10.1.1.3 area 1.1.1.1 authentication keychain ospfv3-keys1
This command was first available in ExtremeXOS 31.3.