Bandwidth Restriction on each port Layer 3750 Layer 3 Switch

Unanswered Question
Jun 25th, 2007

I have a Cisco 3750 layer 3 switch. I want to limit the bandwidth to 1 Mbps on each port of switch. Can i do that & if yes then How ?

Please let me know

I have this problem too.
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royalblues Mon, 06/25/2007 - 01:45

Friend,

You can use policing to limit the bandwidth.

Switch(config)# access-list 1 permit any

Switch(config)# class-map ipclass1

Switch(config-cmap)# match access-group 1

Switch(config-cmap)# exit

Switch(config)# policy-map flow1t

Switch(config-pmap)# class ipclass1

Switch(config-pmap-c)# police 1000000 8000 exceed-action drop

Switch(config)# interface gigabitethernet2/0/1

Switch(config-if)# service-policy input flow1t

have a look at this link

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3750/12225see/scg/swqos.htm#wp1044737

HTH, rate if it does

Narayan

sulekhnain Mon, 06/25/2007 - 20:47

Thanks a lot Sir,

I am able to control the input traffic on the port with about said configuration. But when I applly service-policy on output of port, it says that "Warning: Assigning a policy map to the output side of an interface not supported"

Please let me know how to apply service policy on output of port.

Thanks,

Sulekh Nain

Pavel Bykov Mon, 06/25/2007 - 02:48

Alternatively, you can do it over class-default, without using Access List.

eg:

policy-map LIMIT_1M

class class-default

police 1000000 8000 exceed-action drop

interface range gigabit 1/0/1 - 24

service-policy input LIMIT_1M

sulekhnain Mon, 06/25/2007 - 20:48

Thanks a lot Sir,

I am able to control the input traffic on the port with about said configuration. But when I apply service-policy on output of port, it says that "Warning: Assigning a policy map to the output side of an interface not supported"

Please let me know how to apply service policy on output of port.

Thanks,

Sulekh Nain

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