[nsp] HSRP and VLANs

Marco Matarazzo marmata at libero.it
Tue Dec 16 09:26:52 EST 2003


> > As I understand it, you need at least 3 IPs to do HSRP for one subnet
> > or VLAN.
> Good point Jason! But I wonder how one can deliver a point to point
> connection (I also have a couple of BGP downstreams) with a  /30, and have
> redundancy... there should been something we missed! At least I hope so!
> Someone that can enlighten us?

>HRSP is designed for first hop redunancy. For p2p connections you should
>simply supply 2 seperate /30s and setup BGP to run over both of them.

Yes yes, you're absolutely right! I was missing that point! But my question
is still open! :) How to provide redundancy to all my vlans without growing
each one's address space? (Wasting an ughly number of IPs!)

Thanks,
]\/[arco



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