Solution for Resilient VLAN Trunk Bonding

[eberkut]

> I would have liked to have used either ng_fec or ng_one2many, but neither
> of them detects link failures.

According to the original ng_fec announcement [1] on freebsd-net, ng_fec
should be able to detect link failure by checking the interfaces in the
bundle once every second.

Even though I don't "speak" C fluently, I think ng_fec_tick in ng_fec.c
[2] should do the trick.

[1]
http://docs.freebsd.org/cgi/getmsg.cgi?fetch=448009+0+archive/2001/freebsd-net/20010211.freebsd-net
[2] http://fxr.watson.org/fxr/source/netgraph/ng_fec.c

--vjm
"you can tune a file system but you can't tune a fish"
(man 8 tunefs, BUGS)