[Devel] Re: netns+qdisc+veth

[Daniel Lezcano]

Mathieu Lacage wrote:
> hi,
>
> I am trying to create a network namespace with a vethX device in it and
> a special qdisc but without much luck. I wonder if this is something
> which is unsupported or is just a bug.
>
> [mathieu at mathieu-laptop netns]$ uname -a
> Linux mathieu-laptop 2.6.30.5-43.fc11.x86_64 #1 SMP Thu Aug 27 21:39:52
> EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
>
> shell in default namespace:
>
> [mathieu at mathieu-laptop netns]$ sudo ip link add type veth
> [mathieu at mathieu-laptop netns]$ sudo tc qdisc add dev veth0 root netem
> delay 100ms
> [mathieu at mathieu-laptop netns]$ sudo ip link set dev veth0 netns 3104
> [mathieu at mathieu-laptop netns]$ 
>
>
> shell in other network namespace:
>
> [mathieu at mathieu-laptop netns]$ sudo ./netunshare /bin/bash
> [sudo] password for mathieu: 
> [root at mathieu-laptop netns]# echo $$
> 3104
> [root at mathieu-laptop netns]# sudo ip link show veth0
> 11: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen
> 1000
>     link/ether 9a:bb:18:b6:1b:06 brd ff:ff:ff:ff:ff:ff
> [root at mathieu-laptop netns]# sudo tc qdisc add dev veth0 root netem
> delay 100ms
> RTNETLINK answers: Invalid argument
> [root at mathieu-laptop netns]# 
>
> any kind of idea would be welcome
>   
It is not yet supported.
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