[Openstack] [QUANTUM] (Bug ?) L3 routing not correctly fragmenting packets ?

Sylvain Bauza sylvain.bauza at digimind.com
Tue Mar 12 10:36:28 UTC 2013


Le 12/03/2013 09:20, Robert van Leeuwen a écrit :
>> Only changing the VM MTU to 1454 does the trick ('ifconfig eth0 mtu 1454').
> I think this is the same issue:
> https://bugs.launchpad.net/quantum/+bug/1075336
>
> So instead of decreasing the MTU on the "physical interface" you could also increase it on the openvswitch port.
>
> Cheers,
> Robert
>

I thought about it, but yet not tried. Which OVS port would you 
recommend to increase MTU ?
On the network node (br-ex or qg-XXXX) , or on the compute node (br-int) ?

Thanks,
-Sylvain




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