From: Dane Newman (dnewman@datasc.com)
Date: Thu Dec 13 2007 - 10:09:26 ART
Can someone explain when to use each in different situations?
From what I understand private vlans are used to prevent hosts from
communicating with each other in the same vlan. We can put them in
communities so they an talk to each other in the same community and the
primary vlan or isolate them so they can only talk to the primary vlan.
From what I understand we can use the vlan filter command to attach a vlan
access-map to the vlan which works like a route map doing top down matching
till it finds a hit.
It strikes me we can use them both to accomplish the same goals if Im not
wrong but you can be more specific in what kind of traffic can communicate
with the VACL? Is this a ok assumption to say we need to use VACL if we
want to match specific traffic ? I'm just alittle confused when to pick
what method? Can someone clarify when to use what?
Dane
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