kubernetes集成calico网络
1、物理环境
172.16.0.55 k8s1master
172.16.0.57 k8s2node
172.16.0.47 k8s3node
# docker ps |grep per
a394542f2340 alectolytic/netperf:latest "sleep 36000000" 16 hours ago Up 16 hours k8s_netperf.468d5a53_netperf-903608992-kbdqx_default_fe8c2f70-e21a-11e6-9e5d-0025904aabd6_101520d3
c951205fcdb5 gcr.io/google_containers/pause-amd64:3.0 "/pause" 16 hours ago Up 16 hours k8s_POD.d8dbe16c_netperf-903608992-kbdqx_default_fe8c2f70-e21a-11e6-9e5d-0025904aabd6_cdb8ccde
6be27d13d319 networkstatic/iperf3:latest "sleep 3600000" 16 hours ago Up 16 hours k8s_iperf3.77255c12_iperf3-225180425-dkqlp_default_8586bf7c-e217-11e6-9e5d-0025904aabd6_2d2f3f61
0911410b49ff gcr.io/google_containers/pause-amd64:3.0 "/pause" 16 hours ago Up 16 hours k8s_POD.d8dbe16c_iperf3-225180425-dkqlp_default_8586bf7c-e217-11e6-9e5d-0025904aabd6_c86ee5f0
#
# docker inspect 6be27d13d319|grep Pid
"Pid": 21333,
"PidMode": "",
"PidsLimit": 0,
#
# mkdir /var/run/net
netreport/ net-snmp/
# mkdir /var/run/netns
#
# ln -s /proc/21333/ns/net /var/run/netns/6be27d13d319
# ip netns
6be27d13d319 (id: 4)
# ip netns exec 6be27d13d319 ip addr
1: lo:mtu 65536 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
3: eth0@if29:mtu 1500 qdisc noqueue state UP
link/ether b2:2f:eb:0f:9d:04 brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet 192.168.167.84/32 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::b02f:ebff:fe0f:9d04/64 scope link
valid_lft forever preferred_lft forever
You have mail in /var/spool/mail/root
#
# ip netns exec 6be27d13d319 tcpdump -i any icmp
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
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