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 ....