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Tagged with iproute2 network-namespace
7 questions
1
vote
0
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391
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network namespace with veth bridge not working - ICMP sent but no reply
I'm attempting to achieve a somewhat standard bridged netns setup with a veth pair, with one end in the ns and the other on the bridge :
iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
iptables -...
- 35
2
votes
1
answer
2k
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Use netns to bind programs to specific IP addresses
I have an IP address on my server, say, 192.168.0.3, I want to share in a net namespace, so to run apps there which will only be able to communicate to the internet using that 192.168.0.3.
I can "...
- 151
0
votes
0
answers
441
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How can I set up a transparent proxy (TPROXY type) across network namespaces?
I want to setup a transparent proxy across network namespaces. I have two network namespaces, "nsx" and "nsy", each one has a veth pair, the pair of "nsx" is pointed to ...
- 133
0
votes
1
answer
2k
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Force new process to use the specific network interface (using netns/network namespaces)
I have a number of interfaces available on Ubuntu 20.04 machine. Among others enx0c5b8f279a64 and usb0 with the later being used as the default one. I want to make sure that a particular process ...
- 11
3
votes
2
answers
2k
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Secondary IP in its own netns namespace
Is there a way I can move a secondary IP into its own namespace while keeping the primary IP on the original device?
If I have 10.0.0.1 and 10.0.0.2 on device eth0, but I want 10.0.0.2 to be in its ...
- 469
3
votes
2
answers
8k
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How to create permanent linux network namespace
I know that ip netns add xxx command can be used to create a linux network namespace, but it is not permanent, meaning after server reboot the created namespace will be gone.
Then how can I create a ...
- 31
15
votes
3
answers
37k
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How can I move an interface out of a network namespace?
If I move an interface temporarily into a netns with
ip link set eth10 netns myns
then it no longer is visible in the root, only within the namespace myns.
How do I move it back, something like (...
- 605