Greetings,
I have a couple of 7140 that we are connecting to ATT and Time Warner via a
couple of T3 circuits. I have never configured BGP before but for better or
worse it fell on me to do it.
The ATT circuit wont be in for a couple more days but everything seems to be
working just fine over the time warner circuit using the following bgp
config.
Since I am somewhat of a novice, I thought I would put what I came up with
out to this group for comment and criticism.
BTW -I am using confederation because I could not get ibgp to work...
The main requirement right now is ISP redundancy... there wont be a great
deal of growth at this site in term of additional ISPs... We may upgrade
the T3 to OC3 at some point but that is a long way off.
Appreciate comments.... thanks
ROUTER 1
router bgp 1
bgp log-neighbor-changes
bgp confederation identifier 11111
bgp confederation peers 2
network 12.150.224.0 mask 255.255.254.0
network 206.150.62.0
neighbor cotennet peer-group
neighbor cotennet remote-as 2
neighbor cotennet ebgp-multihop 5
neighbor cotennet update-source Loopback1
neighbor 12.150.224.254 peer-group cotennet
neighbor att peer-group
neighbor att remote-as 12345
neighbor att distribute-list 101 out
neighbor x.x.x.x peer-group att
!
ip classless
ip route 12.150.224.0 255.255.254.0 Null0 254
ip route 206.150.62.0 255.255.255.0 Null0 254
ROUTER 2
router bgp 2
bgp log-neighbor-changes
bgp confederation identifier 11111
bgp confederation peers 1
network 12.150.224.0 mask 255.255.254.0
network 206.150.62.0
neighbor cotennet peer-group
neighbor cotennet remote-as 1
neighbor cotennet ebgp-multihop 5
neighbor 12.150.224.253 peer-group cotennet
neighbor cotennet update-source Loopback1
neighbor timewarner peer-group
neighbor timewarner remote-as 123
neighbor timewarner distribute-list 101 out
neighbor 206.150.72.85 peer-group timewarner
ip route 12.150.224.0 255.255.254.0 Null0 254
ip route 206.150.62.0 255.255.255.0 Null0 254
access-list 101 permit ip 12.150.224.0 0.0.1.255 any
access-list 101 permit ip 206.150.62.0 0.0.1.255 any
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