You should also upgrade BIRD, version 1.4.5 is too old. Could provide me the upgrade procedure?
Rae From: Rae Ho (ITSC) Sent: Wednesday, June 6, 2018 12:04 PM To: Rae Ho (ITSC) <ra...@cuhk.edu.hk>; Ondrej Zajicek <santi...@crfreenet.org> Cc: bird-users@network.cz Subject: RE: BIRD router/route server functions tcpdump -i ens160 'tcp port 179 and host 192.168.199.13' tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on ens160, link-type EN10MB (Ethernet), capture size 65535 bytes 11:52:14.026373 IP bird1.cuhk.edu.hk.54372 > 192.168.199.13.bgp: Flags [S], seq 256428900, win 29200, options [mss 1460,sackOK,TS val 2230497637 ecr 0,nop,wscale 7], length 0 11:52:14.401556 IP 192.168.199.13.51631 > bird1.cuhk.edu.hk.bgp: Flags [S], seq 3989668659, win 29200, options [mss 1460,sackOK,TS val 2230734469 ecr 0,nop,wscale 7], length 0 11:52:18.031631 IP bird1.cuhk.edu.hk.58460 > 192.168.199.13.bgp: Flags [S], seq 3350460062, win 29200, options [mss 1460,sackOK,TS val 2230501642 ecr 0,nop,wscale 7], length 0 11:52:19.405962 IP 192.168.199.13.54429 > bird1.cuhk.edu.hk.bgp: Flags [S], seq 573528156, win 29200, options [mss 1460,sackOK,TS val 2230739473 ecr 0,nop,wscale 7], length 0 tcpdump -i ens160 'tcp port 179 and host 192.168.199.12' tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on ens160, link-type EN10MB (Ethernet), capture size 65535 bytes 11:52:03.595665 IP 192.168.199.12.53662 > bird2.cuhk.edu.hk.bgp: Flags [S], seq 708312977, win 29200, options [mss 1460,sackOK,TS val 2230487710 ecr 0,nop,wscale 7], length 0 11:52:03.884791 IP bird2.cuhk.edu.hk.39590 > 192.168.199.12.bgp: Flags [S], seq 2978908357, win 29200, options [mss 1460,sackOK,TS val 2230724456 ecr 0,nop,wscale 7], length 0 11:52:07.600739 IP 192.168.199.12.54354 > bird2.cuhk.edu.hk.bgp: Flags [S], seq 562475138, win 29200, options [mss 1460,sackOK,TS val 2230491715 ecr 0,nop,wscale 7], length 0 11:52:07.889979 IP bird2.cuhk.edu.hk.59598 > 192.168.199.12.bgp: Flags [S], seq 2985453764, win 29200, options [mss 1460,sackOK,TS val 2230728462 ecr 0,nop,wscale 7], length 0 Seems the problem is domain name? -----Original Message----- From: Bird-users <bird-users-boun...@network.cz<mailto:bird-users-boun...@network.cz>> On Behalf Of Rae Ho (ITSC) Sent: Wednesday, June 6, 2018 11:13 AM To: Ondrej Zajicek <santi...@crfreenet.org<mailto:santi...@crfreenet.org>> Cc: bird-users@network.cz<mailto:bird-users@network.cz> Subject: RE: BIRD router/route server functions Last error: Socket: No route to host <-- -----Original Message----- From: Ondrej Zajicek <santi...@crfreenet.org<mailto:santi...@crfreenet.org>> Sent: Tuesday, June 5, 2018 8:57 PM To: Rae Ho (ITSC) <ra...@cuhk.edu.hk<mailto:ra...@cuhk.edu.hk>> Cc: Quan Zhou <quanzhou...@gmail.com<mailto:quanzhou...@gmail.com>>; bird-users@network.cz<mailto:bird-users@network.cz> Subject: Re: BIRD router/route server functions On Tue, Jun 05, 2018 at 09:29:08AM +0000, Rae Ho (ITSC) wrote: > Dear Quan Zhou, Thanks. Rae Hi Your setup looks OK. You could use tcpdump on ens160 to see if there are BGP connection attempts in both directions. Also, is there anything interesting in BIRD logs? You should also upgrade BIRD, version 1.4.5 is too old. -- Elen sila lumenn' omentielvo Ondrej 'Santiago' Zajicek (email: santi...@crfreenet.org<mailto:santi...@crfreenet.org>) OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net) "To err is human -- to blame it on a computer is even more so."
