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I recently set it up, 2Mb leased line on one router, ISDN on the
other. It worked faultlessly. Not microwave though.
Does your line protocol go down?
Symon
> Hi group,
>
>
> Who have used the 'standby track serial 0' command
> before, while configuring HSRP.
>
> I tried it and was disappointed because, my two
> upstream providers are connected via a radio
> (microwave link). Even when one of them is down, the
> radio coneected to the router still send keepalives to
> the route and as such the interface does not go down,
> and as such the HSRP does not work when any of the
> upstream goes down.
>
> Has anyone being able to solve this problem?
>
> Regards
>
> --- Michael Williams wrote:
> > If router A has a higher priority and is setup to
> > preempt, then when it
> > comes back up (after a failure), it will resume
> > being the active.
> > If router A does not setup with preempt, it won't
> > become the active until
> > Router B fails or is restarted, etc.
> >
> > HSRP works by "projecting" a virtual IP address and
> > a virtual MAC address.
> > You would configure the clients/workstations with a
> > gateway that is the
> > virtual IP address (or the standby IP). Whenever
> > the end device sends an
> > ARP which the routers resolve to the virtual MAC.
> > It is possible to use a
> > Burned-in (MAC) Address (called a BIA) in case the
> > default virtual MAC
> > causes a problem. Once the end workstation resolves
> > the virtual IP to the
> > virtual MAC, it communicates with the virtual MAC,
> > in which both routers
> > receive and take note of the traffic, but only the
> > active router will
> > actually forward the traffic.
> >
> > This is a "in a nutshell" view of HSRP and I'm sure
> > there is something that
> > I've left out or said wrong, but that's basically
> > it..
> >
> > Mike W.
> [EMAIL PROTECTED]
>
>
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Cheers,
Symon
