Namespace-Magic: Difference between revisions
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Revision as of 11:14, 25 February 2019
- How detect from inside the namespace
* one way seems to look at eth0. inside namespace "eth1@if107" kvm "eth0:"
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
link/ether 52:54:00:9e:81:71 brd ff:ff:ff:ff:ff:ff
</rep>
* How find veth's peer inside namespace from a host : link-netns
<pre>
on the host ip link output:
107: hweste164512@if106: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master brswan12-64512 state UP mode DEFAULT group default qlen 1000
link/ether 4a:34:cd:0e:0c:13 brd ff:ff:ff:ff:ff:ff link-netns west-ikev2-03-basic-rawrsa
from inside the name space
106: eth1@if107: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
link/ether 02:10:c8:8e:d2:7e brd ff:ff:ff:ff:ff:ff link-netnsid 0
from the host you get the name space name: "link-netns west-ikev2-03-basic-rawrsa"
for exaactly which interface from "ip link" you see "106: eth1@if107", "107: hweste164512@if106"