once i listen port 179 with tcpdump, I only observe as following that only the cisco serves port 179 . Whereas the quagga listens port 179 root@router2:~ # netstat -na | grep LISTEN tcp4 0 0 *.2605 *.* LISTEN tcp4 0 0 *.179 *.* LISTEN tcp6 0 0 *.179 *.* LISTEN tcp4 0 0 *.2601 *.* LISTEN
Also trying to reach to port 179 using telnet , the quagga closes the session # telnet 127.0.0.1 179 Connection closed by foreign host. is it a problem ? But i can reach port 2605 and 2601. 22:27:51.748692 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [P.], seq 2050821377:2050821454, ack 4130014953, win 15111, length 77: BGP 22:27:52.484283 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [P.], seq 77:154, ack 1, win 15111, length 77: BGP 22:27:53.231631 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [P.], seq 154:235, ack 1, win 15111, length 81: BGP 22:27:53.401543 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [P.], seq 235:316, ack 1, win 15111, length 81: BGP 22:27:53.437185 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [.], seq 316:1776, ack 1, win 15111, length 1460: BGP 22:27:53.437220 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [P.], seq 1776:2061, ack 1, win 15111, length 285: BGP 22:27:53.439815 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [.], seq 2061:3521, ack 1, win 15111, length 1460: BGP 22:27:53.439842 IP 172.16.17.2.179 > 172.16.17.1.29994: Flags [.], seq 3521:4981, ack 1, win 15111, length 1460: BGP On Mon, Feb 19, 2018 at 5:50 PM, William Herrin <b...@herrin.us> wrote: > On Mon, Feb 19, 2018 at 1:45 AM, Yavuz Maşlak <maslakya...@gmail.com> > wrote: > > # show ip bgp neighbors 172.16.17.2 advertised-routes > > > It comes nothing > > Now you've confirmed that quagga isn't advertising the route (as > opposed to the Cisco router filtering it). > > There are several common causes for this: > > 1. The exact route you define in the router bgp network statement is > not present in the routing table. > 2. The ip prefix-list you applied does not allow the route to be > advertised. > 3. The as-path access list you applied does not allow the route to be > advertised. > 4. An error in your route map prevented the lists from being applied > so the default deny-all list was applied. > > Regards, > Bill Herrin > > -- > William Herrin ................ her...@dirtside.com b...@herrin.us > Dirtside Systems ......... Web: <http://www.dirtside.com/> >
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