I have the following config and understand what's happening pretty well with everything except the routes I'm advertising. In other words it's INBOUND traffic I have a question about. What I 'want' to happen is for all traffic to be routed to me through Qwest (AS209), and switch to Sprint (AS1239) ONLY if Qwest goes down.
The 'permit ^$' let's me advertise routes that originate within my AS. So what exactly is THAT route? How am I telling the world to route to me through Qwest?
Here is my config... THANKS!
router bgp 00000 network 18.104.22.168 mask 255.255.255.0 neighbor 22.214.171.124 remote-as 1239 !This is Sprint neighbor 126.96.36.199 filter-list 3 in neighbor 188.8.131.52 filter-list 4 out neighbor 184.108.40.206 remote-as 209 !This is Qwest neighbor 220.127.116.11 filter-list 3 in neighbor 18.104.22.168 filter-list 4 out ip as-path access-list 3 deny .* ip as-path access-list 4 permit ^$ ip as-path access-list 4 deny .* ip route 0.0.0.0 0.0.0.0 FastEthernet3/0 !This sets Qwest as default ip route 0.0.0.0 0.0.0.0 Serial0/0 10 !This sets Sprint as a backup only