What about physical port failure? Or cable failure (i.e. gets yanked
out by an idiot)?
That's the kind of failure I was thinking of when I mentioned the single
point.
Brant Stevens wrote:
> Why not use an etherchannel connection for the isl link between the
> switches. this would eliminate the single point of failure....
>
> Brant I. Stevens
> Internetwork Solutions Engineer
> Thrupoint, Inc.
> 545 Fifth Avenue, 14th Floor
> New York, NY. 10017
> 646-562-6540
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> Jim Healis
> Sent: Tuesday, January 30, 2001 2:21 PM
> To: [EMAIL PROTECTED]
> Subject: HSRP configuration
>
>
> For those that have used HSRP in your networks for redundant external
> connections, how have you dealt with the "single point of failure" issue
> when you have two routers, two switches and using ISL to run HSRP
> between them?
>
> I have two 7206VXR routers, two Cat 6509 switches. My current drawing
> shows using the ISL uplinks from the switches to the routers and the ISL
> link between the two switches to pass HSRP heartbeat. But I figure that
> if the ISL link between the switches ever drops, then I have lost the
> heartbeat and I have two active routers trying to be active HSRP.
>
> I thought about using MHSRP, and having two separate groups for the two
> separate switches the routers are connected to, but I still run into
> that hearbeat thing again.
>
> The last thought that I had was to run two ethernet segments from each
> router to each switch. That would give the needed redundancy, but it
> would cost so much.
>
> Any ideas?
>
> Jim
>
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