Bonding / Active-Backup on PE2850

[Brian O'Mahony]

I forgot

miimon=100 downdelay=0 updelay=10000 after mode=active-backup
-----Original Message-----
From: Tom Brown [mailto:tom at ng23.net]
Sent: 12 November 2008 15:09
To: Brian O'Mahony
Cc: linux-poweredge at lists.us.dell.com
Subject: Re: Bonding / Active-Backup on PE2850


> Normally when I set up machines, I set up bonding as its default
> (round robin). However I now need to set some 2850s running rhel4u6 to
> use active-backup.
>
> If I ifup/ifdown the NICs, it works fine and dandy, and fails over, as
> seen in /proc/net/bonding/bond0
>
> However if I disconnect the NIC at the switch/server, it doesn't fail
> over. Doesn't even show that the link has failed.
>

how are you detecting the 'failure' - i'd recommend pinging the gateway
or something else upstream so that the failure is caught.


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