Hello,
We have a problem setting up multiple BGP sessions with the same (upstream) IP address. What we try to achieve here is to have two or more BGP sessions with the same IP address, but with different public AS numbers. For example:
Upstream peer is AS6238x
Peer IP is 185.23x.64.1
Downstream peers are: AS3951x and AS4887x.
When we try to add a second downstream peer to the same IP address of the upstream Peer, we get an error message:
Couldn't change BGP Peer <name_here_2> - already exists (6)
Similary, when we try to establish on the upstream Peer router a downstream session with the two ASNs we get the following error:
Couldn't change BGP Peer <name_here_2> - already exists (6)
Both routers are CCR1036 (for the Upstream and the Downstream as well).
What should we do ?
Thanks in advance!