L3 Switches - issues with Service-Policies

Unanswered Question
Dec 17th, 2007

Hi, need some help please;

I have a VOIP setup on two L3 switches:

WS-C3560G-48TS-S; (C3560-IPSERVICES-M), Version 12.2(25)SEB4

WS-C3550-48-EMI; (C3550-I5Q3L2-M), Version 12.1(22)EA1a

These switches have Data & Voice vlans configured, I need to apply tag traffic on some interfaces , but the commands are not accepted/supported on these switches:..

eg..

interface GigabitEthernet0/47

service-policy output Shape

eg..

interface Vlan300

service-policy input DCOS-Classify

!

policy-map DCOS-Classify

class Classify-Multimedia-Data

set ip dscp ef

class Classify-Multimedia-Signalling

set ip dscp af41

class Classify-Interactive

set ip dscp af31

class class-default

set ip dscp af11

policy-map QoS-Policy

class Multimedia

priority percent 25

class Interactive

bandwidth remaining percent 75

class DataTransfer

bandwidth remaining percent 25

policy-map Shape

class class-default

shape average 750000 7500

service-policy QoS-Policy

!

I have this problem too.
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Anonymous (not verified) Tue, 12/25/2007 - 07:48

tag switching have a data plane that forwards packets based on fixed length labels. They also have a control plane that deals with label assignment and distribution between the devices based on the Forward Equivalence Class (FEC). An FEC is a category to which a packet belongs to, depending on some defined criteria

You can refer this guide for more info on tag switching

http://www.cisco.com/en/US/docs/ios/12_0/switch/configuration/guide/xctagc.html

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