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[Bug 625394] cannot set mtu on xen vif

https://bugzilla.novell.com/show_bug.cgi?id=625394

https://bugzilla.novell.com/show_bug.cgi?id=625394#c4


James Fehlig <jfehlig@xxxxxxxxxx> changed:

What |Removed |Added
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CC| |ohering@xxxxxxxxxx

--- Comment #4 from James Fehlig <jfehlig@xxxxxxxxxx> 2011-02-02 02:59:54 UTC
---
Hmm, seems the sleep is necessary to allow fontend and backend to rendezvous.
Others have tried the vif-bridge approach:

http://xen.1045712.n5.nabble.com/Changing-MTU-of-vif-td2569886.html

Someone else took the approach of adding a MTU option to domU vif config, but
the patch never went anywhere:

http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00893.html

IMO, the latter approach would be preferable but I'm not sure if
netback/netfront fully support this. I see that they both have impls for
ndo_change_mtu.

Olaf, do you have any opinions on various approaches to solving this issue?

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