Dear Matthew, Thanks a lot. Rae Router1 netstat -lnt Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:179 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:902 0.0.0.0:* LISTEN tcp6 0 0 :::22 :::* LISTEN tcp6 0 0 ::1:631 :::* LISTEN tcp6 0 0 ::1:25 :::* LISTEN tcp6 0 0 :::902 :::* LISTEN
Router2 netstat -lnt Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:179 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:902 0.0.0.0:* LISTEN tcp6 0 0 :::111 :::* LISTEN tcp6 0 0 :::22 :::* LISTEN tcp6 0 0 ::1:631 :::* LISTEN tcp6 0 0 ::1:25 :::* LISTEN tcp6 0 0 :::902 :::* LISTEN From: Matthew Walster <matt...@walster.org> Sent: Wednesday, June 6, 2018 2:26 PM To: Rae Ho (ITSC) <ra...@cuhk.edu.hk> Cc: Ondrej Zajicek <santi...@crfreenet.org>; Bird Users <bird-users@network.cz> Subject: Re: BIRD router/route server functions On Tue, 5 Jun 2018 at 21:04, Rae Ho (ITSC) <ra...@cuhk.edu.hk<mailto:ra...@cuhk.edu.hk>> wrote: Seems the problem is domain name? No, I think either you've got a firewall (iptables etc) running and blocking tcp/179, or you haven't put "listen bgp" into your configuration, so bird is not listening on tcp/179. What is the output of "netstat -lnt"? M