[Devel] Re: Net containers config and usage

[Guenter Roeck]

As far as I recall, if you have sysfs active and use the sysfs patch to
let you configure both sysfs and network namespaces, you can only move
virtual interfaces into a network namespace.

Guenter

On Tue, 2009-01-13 at 13:47 -0800, chris at versecorp.net wrote:
> On Tue, Jan 13, 2009 at 08:52:58PM +0100, Daniel Lezcano wrote:
> > >I tried getting 2.6.26 and I have the same problem:
> > >
> > >[root at C100273 iproute2-2.6.26]# ip/ip link set eth4 netns 24755
> > >RTNETLINK answers: Invalid argument
> > >
> > >I'm pretty certain I'm running the right "version" of the command.  It
> > >does install it to /usr/sbin/ip, but if I run the version that came with
> > >the
> > >distribution (in /sbin/ip), I get a different error reporting netns as
> > >garbage.
> > >So.. since it at least parses the netns argument and sends the netlink
> > >request,
> > >it at least seems to be making it to the kernel.
> > >
> > >Does the kernel.org version of 2.6.29-rc1 have everything I need?
> > >
> > >Any other ideas?
> > >
> > Is eth4 a physical network device or a virtual device (like a tunnel)
> > renamed eth4 ?
> >
> > Can you send the output of the "ip link" command and the value of
> > /sys/class/net/eth4/features to check if the network device is not
> > flagged as a non-movable.
> >
> > thanks.
> >  -- Daniel
> 
> It's a physical device - uses the e1000e driver.
> Here's the output of both commands.
> 
> [root at C100273 iproute2-2.6.26]# ip link
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
>     link/ether 00:1c:c4:dc:44:b2 brd ff:ff:ff:ff:ff:ff
> 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
>     link/ether 00:1c:c4:48:35:f5 brd ff:ff:ff:ff:ff:ff
> 4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
>     link/ether 00:1c:c4:dc:44:b0 brd ff:ff:ff:ff:ff:ff
> 5: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
>     link/ether 00:1c:c4:48:35:f4 brd ff:ff:ff:ff:ff:ff
> 6: eth4: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
>     link/ether 00:1c:c4:48:35:f7 brd ff:ff:ff:ff:ff:ff
> 7: eth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
>     link/ether 00:1c:c4:48:35:f6 brd ff:ff:ff:ff:ff:ff
> 8: br1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
>     link/ether 66:f4:32:9f:12:df brd ff:ff:ff:ff:ff:ff
> 
> [root at C100273 iproute2-2.6.26]# cat /sys/class/net/eth4/features
> 0x111ba9
> 
> Thanks,
> Chris
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