On Wed, May 4, 2016 at 12:45 PM, Eugene Grosbein <eu...@grosbein.net> wrote:
> 05.05.2016 2:33, Wayne H пишет: > >> I have two new servers connected together with 10 gig Intel and 1 gig >> Nic cards. It doesn't matter if I have them connected via a switch or >> directly connected to each other. I am unable to pass ping packets above >> 1472. If I set the MTU to anything up to 9000 I till can't pass anything >> above 1472. I have the 10 gig connected via an Intel SFP+ Cable between the >> servers. I also tried connecting the 1 gig Nics between the servers. >> >> I would like to use jumbo frames to mount these servers to a NFS server. >> If I set the MTU to 9000 in rc.conf on boot up I can mount the NFS but as >> soon as I try to write to it the NFS hangs. If I umount and reset the MTU >> to 1500 it works fine. >> >> Anyone know what I am doing wrong? >> > > First increase MTU, then assign IP address. > Or delete it and reassign after increase of MTU to recreate "interface > route" having its own MTU > inherited by interface MTU. This MTU of the "interface route" limits you > and it is not changed > automatically with interface MTU in your version of FreeBSD. > You can also manually delete and re-add the route with the -mtu option, if you don't want to drop/add the IP. -- Freddie Cash fjwc...@gmail.com _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"