From: Hash Aminu (hashng@gmail.com)
Date: Sat May 03 2008 - 15:46:32 ART
Hooman,
IMHO I would the switches are having problem sending/receiving the hsrp
hello packets (UDP Multicast packets) to detect the active router failure.
Check your design up and see how are your hello packets traversing the
network.
HTH
Hash
On 5/1/08, Jason Madsen <madsen.jason@gmail.com> wrote:
>
> Hooman,
>
> HSRP is supposed to provide a virtual MAC address along with an IP
> address.
> If you're on a Windows computer, you should be able to do an "arp -a" and
> see the same MAC for your HSRP IP address regardless of which device is
> the
> HSRP Active device.
> Now on the other hand, the switch that your PC is connected to may have a
> different switch interface mapped to that virtual interface in its mac
> address table. This may be a "bandaid", but you could always specify a
> really short mac-address timeout value for that specific virtual address
> on
> your switch. Not sure if that is needed or preferred though. It seems as
> though the switch should very quickly learn the new interface that the
> virtual MAC address is showing up on and adjust the MAC address table
> accordingly???
>
> Anyone else have any insight?
>
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_44_se/configuration/guide/swhsrp.html
>
> Jason
>
> On Thu, May 1, 2008 at 2:27 PM, Hooman Parta <hoomanp@hotmail.com> wrote:
>
> > Guys,
> >
> > Having problem with Hosts having problem finding new HSRP Active router
> > for
> > around 5-10 Minutes. Although the Active router isready to serve but
> > hosts
> > are not seeing it and keep sending packets to old MAC address? How we
> can
> > flush the new MAC when HSRP change happening?
> >
> > Any thoughts?
> >
> > Thanks,
> > Hooman
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