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List:       freebsd-net
Subject:    Re: igb Intel Gigabit Network Connection I350, lagg, vlan - increase mtu
From:       Marek Salwerowicz <marek_sal () wp ! pl>
Date:       2013-09-13 7:42:48
Message-ID: 5232C1F8.1080600 () wp ! pl
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W dniu 2013-09-09 15:11, Mark van der Meulen pisze:
> As far as I can tell, if you are using the links in a lagg then you are going to \
> need to make the change in /etc/rc.conf and reboot or perhaps restart netif. I \
> recently came across a similar situation where I had to change the MTU across a \
> bunch of different bsdrp boxes running as firewalls and routers and in the end \
> after a lot of research I worked out the only way was either a reboot or possibly a \
> restart of networking. Some machines had Intel(em) and Broadcom(bcd and bge) \
> interfaces. 
> I never tried restarting networking as there are a few things on my boxes which \
> that will break so I am better off just rebooting.
Hi,

after setting up in /etc/rc.conf:

ifconfig_igb{0,1,2,3}="mtu 9000 up"

and rebooting everything worked and I have mtu 9000 in lagg0 and 2 vlans

Thanks for hints!

-- 
Marek Salwerowicz
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