[c-nsp] Alternate setup for "better" HA

[John Elliot]

diag was rejected - here's a link to it instead: 
http://i1137.photobucket.com/albums/n511/johnelliot67/new_pop_propA.jpg

From: johnelliot67 at hotmail.com
To: cisco-nsp at puck.nether.net
Date: Thu, 27 Oct 2011 09:04:28 +1100
Subject: [c-nsp] Alternate setup for "better" HA

 
Hi Guys,
 
About to roll out a new "mini-pop" witth a a pair of 2851's and pair of 2960's - They will be handling ~50 ethernet tails from a couple of carriers via individual vlans on trunk ports from carriers->2960(So 2960 only does L2), then trunking those vlans up to 2851 for L3(Tails will be a mix of vrf+Inet)....the 2851 also will connect to the rest of our network(MPLS/MP-BGP)
 
Our "usual" setup would be to have a 2851 + 2960 as "active", and manually copy the config across to the spare 2851+2960, and if one of the primary fails, it would require swapping cables....not ideal.
 
Hoping someone has some suggestions on an alternate setup to what we currently do to provide a little more "auto failover" - hsrp on the 2851's would require /29's per client tail and also virtual ip per tail?(again, not ideal)
 
I've attached a diag that I hopes better illustrate our "current" setup(hope its permitted)...i.e. router on a stick.
 
Thanks in advance. 		 	   		  

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