Failover with eMTAs
Frank Bulk - iName.com
frnkblk at iname.com
Thu Sep 3 19:52:52 UTC 2009
I would open up a ticket with your eMTA vendor.
Our approach has been two appliances that move a third IP address between
the two and sync data behind the scenes with an associated heartbeat. If
either server goes down, the other server gets the third IP address and
things go on their merry way. This solves the problem for all the CPE,
STBs, CMS, in addition to eMTAs.
From: dhcp-users-bounces at lists.isc.org
[mailto:dhcp-users-bounces at lists.isc.org] On Behalf Of ae
Sent: Tuesday, September 01, 2009 11:49 AM
To: dhcp-users at lists.isc.org
Subject: Failover with eMTAs
I am trying to setup Failover for MTAs. I have configured failover before
for normal modem booting and that works great, but not having much success
I have option 122 (suboptions 1 and 2) configured to allow both of my mta
dhcp servers. I seem to be hitting a problem where an mta is never
responding to the OFFER from suboption 2 when the server for suboption 1
tells it to load balance to suboption 2's ip. So what happens is:
Server1 gets a DISCOVER - tells it to load balance to peer
Server2 gets a DISCOVER
Server2 sends OFFER
Rinse repeat forever.
Does anyone have a working setup where you are doing dhcp failover with mta
devices? Any tips? Do I need to maybe set my split option to not load
balance? Any tips or information would help, and if you need more
information please ask. Thanks.
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