From: Michael Snyder (msnyder@xxxxxxxxxxxxxxxxxxxxxx)
Date: Thu Aug 22 2002 - 11:23:13 GMT-3
Not so,
The virtual ip address, with a virtual mac does effect switch cam
entries. This is why only one HSRP neighbor can be active at one time.
Traffic does not go to both routers, only the active hsrp router. It's
the one that responds to the arp requests to the virtual ip address with
the virtual mac address.
I could be wrong on this, but the layer two rules are pretty straight
forward on these issues, even virtual macs.
In fact I bet there is some frame loss during hsrp changeover. The arp
table stays the same, but the cam table would change.
-----Original Message-----
From: Dennis Dumont [mailto:dfdumont@yahoo.com]
Sent: Thursday, August 22, 2002 9:03 AM
To: Brian; Michael Snyder
Cc: ccielab@groupstudy.com
Subject: RE: Challenge Question
You've all been hoodwinked. The "problem" description
is nothing more than HSRP with the optional MAC
address set on both parties, to the same address. In
this case all traffic goes to both routers, which is
what you want so that in the event the primary fails,
the secondary can pick up all the ongoing flows
without a hitch. No ARPing needed, and no frame loss.
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