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Date:      Tue, 28 Oct 2008 15:15:49 +0200
From:      Nikolay Denev <ndenev@gmail.com>
To:        freebsd-net@freebsd.org
Subject:   ifconfig em0 mtu 9000 does not update the routing table
Message-ID:  <DE4AF9A2-8741-4FC2-8E39-1F72A61FE8C4@gmail.com>

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Hello,

As the subject says, I'm trying to enable jumbo frames on running  
machine by setting
ifconfig em0 mtu 9000 by hand, but nothing changed, and I've fount  
that when I list
the routing table with the MTU column it shows the connected routes  
still with MTU 1500.
Is this supposed to work this way? I understand that making ifconfig  
touch the routing table is ugly hack, but maybe the routing code can  
be notified for interface changes by some other mechanism?

btw, this is on 7-STABLE with if_em(4) interfaces.

--
Regards,
Nikolay Denev







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