[j-nsp] BGP setup question, advertise-peer-as?
wrx230 at gmail.com
Sat Aug 25 08:03:35 EDT 2012
Border router A and B are for firewall A only, firewall B handles its own eBGP. Ignoring firewall B, there is full mesh between border routers and firewall A. I'm thinking about a scenario where one border (A) loses its link to firewall A, thus losing its mesh and not having the needed route. It would be helpful to learn it from the remaining connected border router (B).
Sent from my iPhone
On Aug 25, 2012, at 4:56 AM, Ben Dale <bdale at comlinx.com.au> wrote:
> Hi Morgan,
>> My main issue is I can't seem to get the advertised routes from firewall A
>> to be shared between the border routers. I know the nature of iBGP will
>> block this, so I tried enabling advertise-peer-as for just the border to
>> border peer relationship, but I still do not see it being advertised or
>> showing up in the route tables.
> I wasn't sure from your email, but do you have a mesh of iBGP configured? Eg: does the firewall at site A have a direct peering relationship with both Firewall B and Border Router B? If not, then this should most likely solve the issue of your routes not being seen by both borders.
> If you already have this in place, have a look at the output of "show routes hidden extensive", you may find that they are not being installed for a different reason.
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