So there is no way for access switches to know that HSRP router has changed
from Active/Standby? STP/ CAM table anything

On Tue, Jan 25, 2011 at 11:59 AM, Matt Hill <[email protected]> wrote:

> I assume these are L2 switches?
>
> In that case, then they cant.  You could have a cable between them and
> when the primary dies and then L2 will just keep forwarding them to
> the virtual MAC address which would have flipped over to the standby.
>
> If they are L3 switches, I suppose you could always run HSRP on the
> switches themselves and then track the two routers from there.  If the
> router or the switch dies, then HSRP will flip to the secondary
> switch/router combo.
>
> Cheers,
> Matt
>
> CCIE #22386
> CCSI #31207
>
> On 25 January 2011 15:49, Nitin Kumar <[email protected]> wrote:
> > Dear All,
> >
> > I have slight confusion on working of HSRP for redundant gateway.  I have
> > two access-switch/stack connected to both HSRP active and standby
> routers.
> > All access switches are sending traffic to HSRP active gateway. But if
> for
> > some reason HSRP state changes on Active gateway and standby becomes
> > active...
> >
> > How does Access switches know when HSRP gateway has changed from active
> to
> > standby and they need to send traffic over other link.
> >
> > Regards
> > Nitin
> > _______________________________________________
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> >
>
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