root@cloud:~# ls /var/run/calico/bird.ctl
/var/run/calico/bird.ctl
root@cloud:~# nc -U /var/run/calico/bird.ctl
0001 BIRD v0.3.3+birdv1.6.8 ready.
9001 syntax error
9001 syntax error
show protocols
2002-name proto table state since info
1002-static1 Static master up 07:21:21
kernel1 Kernel master up 07:21:21
device1 Device master up 07:21:21
direct1 Direct master up 07:21:21
0000
root@cloud:~# nc -U /var/run/calico/bird.ctl
0001 BIRD v0.3.3+birdv1.6.8 ready.
show protocols
2002-name proto table state since info
1002-static1 Static master up 2021-06-23
kernel1 Kernel master up 2021-06-23
device1 Device master up 2021-06-23
direct1 Direct master up 2021-06-23
Node_10_10_16_251 BGP master up 04:06:20 Established
Node_10_10_18_34 BGP master start 07:33:16 OpenSent BGP Error: Hold timer expired
0000
show protocols all ''^[[D
9001 Unknown character
^[[A
9001 Unknown character
show protocols all 'Node_10_10_18_34'
2002-name proto table state since info
1002-Node_10_10_18_34 BGP master start 07:33:17 OpenSent BGP Error: Hold timer expired
1006- Description: Connection to BGP peer
Preference: 100
Input filter: ACCEPT
Output filter: calico_export_to_bgp_peers
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: OpenSent
Neighbor address: 10.10.18.34
Neighbor AS: 64513
Last error: BGP Error: Hold timer expired
0000
debug 'Node_10_10_18_34' all
0000
birdctl 是 bird 的 client，可以用来查看 bird 的状态
root@cloud:~# nc -U /var/run/calico/bird.ctl
0001 BIRD v0.3.3+birdv1.6.8 ready.
show route
1007-0.0.0.0/0 via 10.10.16.254 on enahisic2i0 [kernel1 07:21:22] * (10)
10.99.1.231/32 via 10.10.16.82 on enahisic2i0 [kernel1 07:21:22] * (10)
10.110.79.116/32 via 10.10.16.82 on enahisic2i0 [kernel1 07:21:22] * (10)
10.10.16.0/24 dev enahisic2i0 [direct1 07:21:22] * (240)
10.110.171.213/32 via 10.10.16.82 on enahisic2i0 [kernel1 07:21:22] * (10)
10.244.2.0/24 dev cni0 [direct1 07:21:22] * (240)
172.17.0.0/16 dev docker0 [direct1 07:21:22] * (240)
10.244.41.0/26 blackhole [static1 07:21:22] * (200)
10.244.41.1/32 dev cali027a65c4a41 [kernel1 07:21:22] * (10)
10.244.41.3/32 dev calib81bd12045e [kernel1 07:21:22] * (10)
0000
root@cloud:~# ls /var/log/calico/cni/cni.log
/var/log/calico/cni/cni.log
[root@bogon ~]# docker exec f314fa16ddab cat /etc/calico/confd/config/bird.cfg
function apply_communities ()
{
}
# Generated by confd
include "bird_aggr.cfg";
include "bird_ipam.cfg";
router id 10.10.16.81;
# Configure synchronization between routing tables and kernel.
protocol kernel {
learn; # Learn all alien routes from the kernel
persist; # Don't remove routes on bird shutdown
scan time 2; # Scan kernel routing table every 2 seconds
import all;
export filter calico_kernel_programming; # Default is export none
graceful restart; # Turn on graceful restart to reduce potential flaps in
# routes when reloading BIRD configuration. With a full
# automatic mesh, there is no way to prevent BGP from
# flapping since multiple nodes update their BGP
# configuration at the same time, GR is not guaranteed to
# work correctly in this scenario.
merge paths on; # Allow export multipath routes (ECMP)
}
# Watch interface up/down events.
protocol device {
debug { states };
scan time 2; # Scan interfaces every 2 seconds
}
protocol direct {
debug { states };
interface -"cali*", -"kube-ipvs*", "*"; # Exclude cali* and kube-ipvs* but
# include everything else. In
# IPVS-mode, kube-proxy creates a
# kube-ipvs0 interface. We exclude
# kube-ipvs0 because this interface
# gets an address for every in use
# cluster IP. We use static routes
# for when we legitimately want to
# export cluster IPs.
}
# Template for all BGP clients
template bgp bgp_template {
debug { states };
description "Connection to BGP peer";
local as 64512;
multihop;
gateway recursive; # This should be the default, but just in case.
import all; # Import all routes, since we don't know what the upstream
# topology is and therefore have to trust the ToR/RR.
export filter calico_export_to_bgp_peers; # Only want to export routes for workloads.
add paths on;
graceful restart; # See comment in kernel section about graceful restart.
connect delay time 2;
connect retry time 5;
error wait time 5,30;
}
# ------------- Node-to-node mesh -------------
# Node-to-node mesh disabled
# ------------- Global peers -------------
# No global peers configured.
# ------------- Node-specific peers -------------
# For peer /host/bogon/peer_v4/10.10.16.251
protocol bgp Node_10_10_16_251 from bgp_template {
neighbor 10.10.16.251 as 64512;
source address 10.10.16.81; # The local address we use for the TCP connection
}
# For peer /host/bogon/peer_v4/10.10.16.47
protocol bgp Node_10_10_16_47 from bgp_template {
neighbor 10.10.16.47 as 64512;
source address 10.10.16.81; # The local address we use for the TCP connection
}
# For peer /host/bogon/peer_v4/10.10.16.82
protocol bgp Node_10_10_16_82 from bgp_template {
neighbor 10.10.16.82 as 64512;
source address 10.10.16.81; # The local address we use for the TCP connection
}
[root@bogon ~]# ./calicoctl node status
Calico process is running.
IPv4 BGP status
+--------------+---------------+-------+----------+--------------------------------+
| PEER ADDRESS | PEER TYPE | STATE | SINCE | INFO |
+--------------+---------------+-------+----------+--------------------------------+
| 10.10.16.82 | node specific | up | 12:46:55 | Established |
| 10.10.16.251 | node specific | start | 12:14:32 | Active Socket: Connection |
| | | | | closed |
| 10.10.16.47 | node specific | start | 12:14:32 | Active Socket: Connection |
| | | | | closed |
+--------------+---------------+-------+----------+--------------------------------+
IPv6 BGP status
No IPv6 peers found.
[root@bogon ~]#
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