HSRP and Internet Routers (BGP or not BGP, that is the question??)
I have an interesting situation.
I have two routers to the same ISP. One has a DS3 and the other has a T1. A customer wants to use the DS3 router as his main connection in a out to the Internet. He wants to use the T1 connection to be used only when the DS3 connection is down.
Someone said use HSRP between the two routers. No BGP needed. Just default routes. (The ISP won't do BGP unless multi-homed to two different providers so BGP is out.)
Re: HSRP and Internet Routers (BGP or not BGP, that is the quest
I'm not sure why BGP isn't allowed by your ISP as far as HSRP is concerned.
But there may be a issue using a DS3 and a T1 in a HSRP scenario. This may be due to your ISP not allowing asymetric connections. Most large ISP do not allow this due to SLAs and it may be so here. This is probably why they have said that you need to have multi-homing on different ISP PoPs. This way they can meet their SLA agreements.
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