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Date: Tue, 5 Mar 2013 02:49:51 +0400 (MSK)
From: Dmitry Morozovsky <marck@rinet.ru>
To: freebsd-stable@FreeBSD.org
Subject: carp on stable/9: is there a way to keep jumbo? (fwd)
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Collegaues,

sorry, sent to the wrong list (the only escuse for me is possibly that I'm 
trying to make HAST base on carp...)

-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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---------- Forwarded message ----------
Date: Tue, 5 Mar 2013 02:31:51
From: Dmitry Morozovsky <marck@rinet.ru>
To: freebsd-fs@freebsd.org
Subject: carp on stable/9: is there a way to keep jumbo?

Dear collesagues,

yes, I know glebius@ overhauled carp in -current, but I'm a bit nervous to 
deploy bleeding edge system on a NAS/SAN ;)

So, my question is about current state of carp in stable/9: building HA pair I 
found that carp interfaces lose jumbo capabilities:

root@cthulhu4:~# ifconfig | grep mtu
em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 9000
em1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 9000
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
lagg0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 9000
carp0: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500
carp1: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500
root@cthulhu4:~# ifconfig carp1 mtu 9000
ifconfig: ioctl (set mtu): Invalid argument

Is it unavoidable at the moment, or am I missing something obvious?

Thanks!

-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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