On Tue, Nov 18, 2008 at 03:16:14PM +0000, Mark McLoughlin wrote: > > My take on it is that it needs to be an opt in thing - if path MTU > discovery was sufficient to deal with all cases then we'd probably have > an mtu > 1500 everywhere ... Herbert? PMTU often breaks due to firewalls. Also even if you have did a large MTU it is only effective if the entire path supports it. So for most peers you'll be using an MTU of 1500 or less. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list