From: sabrina pittarel (sabri_esame@yahoo.com)
Date: Thu Aug 31 2006 - 00:43:03 ART
Hi,
these are my 2 cents.
What they are trying to do, with a question like that, is to see if you know that on the switches (exclusively) a "match vlan" commands exists.
When they ask you to configure something on a switch, always ask to yourself:
why on the switch? Most likely they are looking for a specific command that you cannot do anywhere else.
Sabrina
----- Original Message ----
From: storage4mail <storage4mail@googlemail.com>
To: ccielab@groupstudy.com
Sent: Wednesday, August 30, 2006 1:01:09 PM
Subject: QoS - Per-Port Per-VLAN question
Here's a scenario for which I'd like your input on two given configurations
below (as to what's the difference),
Scenario:
Incoming traffic from a certain interface (y) in a switch that is assigned
to specific VLAN(x) needs to be marked with immediate precedence.
Config. 1:
ip cef
class-map CLASS1
match access-group name VLANx
policy-map PM
class CLASS1
set ip precedence immediate
interface y
service-policy input PM
ip access-list standard VLANx
permit <VLANx prefix with inverse mask>
Config. 2:
ip cef
class-map CLASS1
match access-group 1
class-map CLASS2
match vlan x
match class-map CLASS1
policy-map PM
class CLASS2
set ip precedence immediate
int y
service-policy input PM
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