Configure Anycast over BGP on the VA
- Enter the Configuration Mode on the VA.
-
Enable Anycast support on the VA. Enter config anycast bgp <options>
Command returns an ASN for the VA.
Options are:
-
enable <
anycast_ip
> <
bgp_info
>—Enable the anycast mode
- < anycast_ip >—Anycast IP address
- < bgp_info >—ASN:IPAddress:Hop count of the BGP router to publish. If a hop count is not specified, a default value of 255 is assumed, therefore, the router can be up to 255 hops away.
- add <ASN:Router IP:Hop count>—Use this command to specify an additional router as a BGP peer for the VA. A maximum of 4 peers can be configured.
- delete <Router IP>—Use this command to remove a BGP peer for the VA.
- stats—Show statistics around the Anycast configuration
- summary—Show summarized list of all BGP peers for this VA
- disable—Disable anycast mode
- status—Show status of anycast
- test—test Anycast connectivity
- help—Display this usage information
-
enable <
anycast_ip
> <
bgp_info
>—Enable the anycast mode
- Validate status. Enter config anycast bgp status
- On the router, add the VA's ASN from step 2 as the neighbor of the router.
Example:
In the following configuration, the VA needs to be configured with Anycast IP 192.168.1.22, the BGP router's ASN is 7105, and IP address is 10.1.0.1.