--- On Tue, 6/26/12, Deric Kwok <deric.kwok2...@gmail.com> wrote: > From: Deric Kwok <deric.kwok2...@gmail.com> > Subject: please helpconfederation and ibgp question > To: "nanog list" <nanog@nanog.org> > Date: Tuesday, June 26, 2012, 12:51 PM > Hi all > > I would like to ask questions aboutconfederation and ibgp > > We know confederation from nanog achieve 101,102 and setup > lab. > bgp and ibgp can work properly but not sure we are > doing right. > > We have quesions > > 1/ for the annoucing networks, do we have to announce > it in border routers? > eg: border routers. 66.59.128.0/22 > but all ibgp routers are already announcing networks > individually in > ibgp Routers > eg: Router A: 66.59.128.0/24, Router B: 66.59.129.0/24, > Router C: > 66.59.130.0/24, Router D: 66.59.131.128/25 > > In our labs, it can work. but we would like to know the > setting is > correct. or any announcing overlapping when announcing in > broder > Router and all individual ibgp routers > > 2/ But if it is not right to announce /22 in broder routers, > let > Router A,B,C, D announce it in 4 separate networks. ls > it ok too? > in the lab, the bgp can work too. but i read the bgp doc > that it > prefers us to announce it in /22 instead of 4 seperate one? > > 3/ in the border routers, we take out some ip from network > 66.59.131.0/24 (eg: 66.59.131.0/28, 66.59.131.16/28) to > interconnected > to Router A, B, C and D > We don't know which one is good for use in bgp > configuration > > redistributed connected > or > network 66.59.131.0/28 > network 66.59.131.16/28 > > If using network command "network 66.59.131.0/28, network > 66.59.131.0/28" to let communicate between ibgp, there might > have > overlapping too as we already announcing > 66.59.128.0/22. in the > border router, there might have > > network 66.59.128.0/22 > network 66.59.131.0/28 > network 66.59.131.16/28 > > ls the command "redistributed connect" better? but this is > border > Router. We concern it will effect the upstream using > redistributed > connect > > Please help > > Thank you so much >
Deric- I don't mean to sound rude but I think it is time you asked $Employer for routing/switching/best-practices training. It will help you understand what you do and why you do it. The labs, and NANOG presentations are a good start. ./Randy