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Asked by kbws1 in Network Routers
Hello all, I know there is alot out there about Cisco HSRP but have not seen the answer to my question. I am in the process of modifying my current environment from all 3 ISP's using eBGP to annouce my 1 class C IP space all from a single border router, which is a single point of failure. So my goal is to connect each ISP to its own router. This is good for us because not all the ISP's come from the same medium and even enter my network in the same building, so I will gain geographic separation and redundancy as well. I want the topology to look like this:
ISP A ISP B ISP C
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BldgA BldgB BldgC
RtrA RtrB RtrC - All running eBGP to ISPs annoucing 1 class C
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--------L2 Switching----------
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Redundant PIX
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LAN
Ok my HSRP question is: I see alot that HSRP looks at interfaces to determine if the active router is alive. I understand this benefit when hardware fails. But in my BGP environment its much more likely that the BGP session with the ISP will go down with the router's physical or logical interface remaining up/up. So, will HSRP respond if just the BGP session with that ISP goes down and not the connected interface?
Many thanks.
20091111-EE-VQP-92 - Hierarchy / EE_QW_3_20080625
