Ok. I have installed bird via epel on Centos The router sending BGP announcement is Juniper Open Contrail Virtual Router (on Openstack). I downloaded and installed the 2.0.2 and used this config:
------------------------------------------------------------ ------------------------- # more /usr/local/etc/bird.conf log syslog all; log stderr all; log "/var/log/bird.logg" all; debug protocols all; protocol kernel { ipv4 { import all; export all; }; persist; scan time 20; } protocol device { scan time 10; # Scan interfaces every 10 seconds } router id 192.168.200.6; protocol bgp bgp1 { local as 64521; neighbor 192.168.200.1 as 64520; ipv4 { import all; export all; }; } ------------------------------------------------------------ ------------------------- And finally I see all routes: ------------------------------------------------------------ ------------------------- [root@vm-1 bird-2.0.2]# birdc show route BIRD 2.0.2 ready. Table master4: 163.162.35.131/32 unicast [bgp1 20:48:36.342] * (100) [AS64520?] via 192.168.200.1 on eth1 163.162.35.80/32 unicast [bgp1 20:48:36.342] * (100) [AS3269i] via 192.168.200.1 on eth1 100.64.3.28/32 unicast [bgp1 20:48:36.342] * (100) [AS64520?] via 192.168.200.1 on eth1 ... ------------------------------------------------------------ ------------------------- Rr 2018-04-11 19:21 GMT+02:00 Jan Maria Matějka <jan.mate...@nic.cz>: > Hello! > > First of all, we don't support this old version. Please upgrade, either to > 1.6.4 or to 2.0.2. > > Second, the other side seems to send multiprotocol NLRI to you. BIRD in > 1.x versions AFAIK does not support this extension and should not announce > it. What is the remote software? > > Writing from my phone with no access to source code, trying to recall it > from my memory. I might be wrong. > > Maria > > Quidquid latine dictum sit, altum videtur. > > -----Original Message----- > From: RICCARDO RUSSO <riccardo.russ...@gmail.com> > To: bird-users@network.cz > Sent: Wed, 11 Apr 2018 6:10 PM > Subject: BGP import route > > Hello, > I'm not able to import route from BGP (CentOS 7). In log file I read "Got > UPDATE" but "import updates" is always 0. With TCPDUMP I see that BGP > receive the routes > > Rr > > ------------------------------------------------------------ > # more bird.conf > log syslog all; > log stderr all; > log "/var/log/bird.logg" all; > debug protocols all; > > protocol kernel { > persist; # Don't remove routes on bird shutdown > scan time 20; # Scan kernel routing table every 20 > seconds > } > > protocol device { > scan time 10; # Scan interfaces every 10 seconds > } > > router id 192.168.200.6; > > protocol bgp bgp1 { > local as 64521; > neighbor 192.168.200.1 as 64520; > import filter all; > } > ------------------------------------------------------------ > > > ------------------------------------------------------------ > > # tail -f /var/log/bird.logg > 2018-04-11 17:46:53 <TRACE> kernel1 < interface lo goes up > 2018-04-11 17:46:53 <TRACE> kernel1 < interface eth0 goes up > 2018-04-11 17:46:53 <TRACE> kernel1 < interface eth1 goes up > 2018-04-11 17:46:53 <TRACE> kernel1: State changed to up > 2018-04-11 17:46:53 <TRACE> bgp1: Started > 2018-04-11 17:46:53 <TRACE> bgp1: Connect delayed by 5 seconds > 2018-04-11 17:46:53 <TRACE> kernel1: Scanning routing table > 2018-04-11 17:46:53 <TRACE> kernel1: 0.0.0.0/0: [alien] ignored > 2018-04-11 17:46:53 <TRACE> kernel1: 192.168.44.0/24: [alien] ignored > 2018-04-11 17:46:53 <TRACE> kernel1: Pruning table master > 2018-04-11 17:46:57 <TRACE> bgp1: Connecting to 192.168.200.1 from local > address 192.168.200.6 > 2018-04-11 17:46:57 <TRACE> bgp1: Connected > 2018-04-11 17:46:57 <TRACE> bgp1: Sending > OPEN(ver=4,as=64521,hold=240,id=c0a8c806) > 2018-04-11 17:46:57 <TRACE> bgp1: Connection closed > 2018-04-11 17:46:57 <TRACE> bgp1: Connect delayed by 5 seconds > 2018-04-11 17:47:03 <TRACE> device1: Scanning interfaces > 2018-04-11 17:47:03 <TRACE> bgp1: Connecting to 192.168.200.1 from local > address 192.168.200.6 > 2018-04-11 17:47:03 <TRACE> bgp1: Connected > 2018-04-11 17:47:03 <TRACE> bgp1: Sending > OPEN(ver=4,as=64521,hold=240,id=c0a8c806) > 2018-04-11 17:47:03 <TRACE> bgp1: Got OPEN(as=64520,hold=90,id=a3a2e686) > 2018-04-11 17:47:03 <TRACE> bgp1: Sending KEEPALIVE > 2018-04-11 17:47:03 <TRACE> bgp1: Got KEEPALIVE > 2018-04-11 17:47:03 <TRACE> bgp1: BGP session established > 2018-04-11 17:47:03 <TRACE> bgp1: Connected to table master > 2018-04-11 17:47:03 <TRACE> bgp1: State changed to feed > 2018-04-11 17:47:03 <TRACE> bgp1: State changed to up > 2018-04-11 17:47:03 <TRACE> bgp1: Sending End-of-RIB > 2018-04-11 17:47:03 <TRACE> bgp1: Got UPDATE > 2018-04-11 17:47:03 <TRACE> bgp1: Got UPDATE > 2018-04-11 17:47:03 <TRACE> bgp1: Got UPDATE > 2018-04-11 17:47:03 <TRACE> bgp1: Got UPDATE > 2018-04-11 17:47:03 <TRACE> bgp1: Got UPDATE > 2018-04-11 17:47:03 <TRACE> ... > ------------------------------------------------------------ > > > ------------------------------------------------------------ > > # birdc show protocols all bgp1 > BIRD 1.4.5 ready. > name proto table state since info > bgp1 BGP master up 17:47:03 Established > Preference: 100 > Input filter: ACCEPT > Output filter: REJECT > Routes: 0 imported, 0 exported, 0 preferred > Route change stats: received rejected filtered ignored > accepted > Import updates: 0 0 0 0 > 0 > Import withdraws: 0 0 --- 0 > 0 > Export updates: 0 0 0 --- > 0 > Export withdraws: 0 --- --- --- > 0 > BGP state: Established > Neighbor address: 192.168.200.1 > Neighbor AS: 64520 > Neighbor ID: 163.162.230.134 > Neighbor caps: restart-aware > Session: external > Source address: 192.168.200.6 > Hold timer: 62/90 > Keepalive timer: 22/30 > ------------------------------------------------------------ > > > ------------------------------------------------------------ > # tcpdump -i eth1 tcp port 179 -vvv -XX > 17:37:51.260061 IP (tos 0x0, ttl 1, id 49246, offset 0, flags [DF], proto > TCP (6), length 1353) > 192.168.200.1.bgp > vm-1.59873: Flags [P.], cksum 0xad25 (correct), seq > 61:1362, ack 69, win 210, options [nop,nop,TS val 1643220008 ecr 25496328], > length 1301: BGP > Update Message (2), length: 66 > Origin (1), length: 1, Flags [T]: Incomplete > 0x0000: 02 > Next Hop (3), length: 4, Flags [T]: 192.168.200.1 > 0x0000: c0a8 c801 > Multi Exit Discriminator (4), length: 4, Flags [O]: 100 > 0x0000: 0000 0064 > AS Path (2), length: 4, Flags [T]: 64520 > 0x0000: 0201 fc08 > Multi-Protocol Reach NLRI (14), length: 14, Flags [OE]: > AFI: IPv4 (1), SAFI: Unicast (1) > nexthop: 192.168.200.1, nh-length: 4, no SNPA > 163.162.230.199/32 > 0x0000: 0001 0104 c0a8 c801 0020 a3a2 e6c7 > .... >