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Community Member

QOS in Cisco 4506

Hi Experts,

Would like to know if QOS can be configured on Cisco 4506.

The sh ver as below:

Cisco IOS Software, Catalyst 4000 L3 Switch Software (cat4000-I5S-M), Version 12.2(25)EWA5, RELEASE SOFTWARE (fc1)

Technical Support:

Copyright (c) 1986-2005 by Cisco Systems, Inc.

Compiled Thu 17-Nov-05 16:24 by alnguyen

Image text-base: 0x10000000, data-base: 0x114E2164

ROM: 12.2(31r)SG3

Dagobah Revision 226, Swamp Revision 32

SGCTHSR-SC001004 uptime is 19 weeks, 4 days, 14 hours, 38 minutes

System returned to ROM by reload

System restarted at 18:05:57 gmt Sat Oct 20 2007

System image file is "bootflash:cat4000-i5s-mz.122-25.EWA5.bin"

cisco WS-C4506 (MPC8245) processor (revision 14) with 524288K bytes of memory.

Processor board ID FOX11290EVD

MPC8245 CPU at 333Mhz, Supervisor IV

Last reset from Reload

56 Virtual Ethernet interfaces

48 FastEthernet interfaces

98 Gigabit Ethernet interfaces

403K bytes of non-volatile configuration memory.

Configuration register is 0x2101


I tried to configure as below but to no avail...

policy-map Test-QOS-WAN

class class-2-QoS

set ip dscp af32

bandwidth remaining percent 35

queue-limit 50

class class-4-QoS

set ip dscp af12

bandwidth remaining percent 10

queue-limit 40

class class-1-voip

set ip dscp ef

priority 40

class class-2-signaling

set ip dscp cs3

bandwidth remaining percent 10

queue-limit 40

class class-default

set ip dscp default

bandwidth remaining percent 45

queue-limit 40


Community Member

Re: QOS in Cisco 4506

Anyone can help?

Community Member

Re: QOS in Cisco 4506

Do you have it "applied" to an interface? What to you get if you do a ? Are you marking COS?

Community Member

Re: QOS in Cisco 4506

Hi Jasosan,

Yes, I applied it on interface. What you mean by marking COS?

Am trying to find command of Bandwidth Percent Remaining but it is not available in Cisco 4506 Switch but there is QOS inside.

I am just wondering where did I go wrong..

Thanks again.

Hall of Fame Super Bronze

Re: QOS in Cisco 4506

Although the Catalyst 4500 runs IOS, you must be careful when configuring features such as QoS.

QoS on Catalyst switches have a lot of dependencies such as Supervisor, Modules and IOS version.

I highly suggest you take a moment and read how QoS is done for your IOS version. Within that document there are some caveats mentioned on specific hardware (modules) for the Cat4500.




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