05-07-2003 06:50 AM - edited 03-02-2019 07:10 AM
I would like to limit the bandwidth on a 1GB Ethernetport to 200MB.
Have you any solutions for me. HW description CAT 3550-12G with SW Version 12.1(12c)EA1
thanks Roland Marti
05-07-2003 05:30 PM
no problem, just implement Committed Access Rate.
3550-12G(config-if)#traffic-shape rate 1600000000
this config will blindly discard any packet exceeding 200M. You can play with the various options to smooth traffic shaping but you will probably need to run the EMI software and make this interface a routed one.
05-07-2003 11:53 PM
Hi Steven.
Thanks for your answer.
The command doesn't exist on this device and i use this Port as an Switchport.
Do you have any other idea.
Roland
05-08-2003 02:00 AM
Steve..this is a working example for a 2Meg rate limit. Be aware that there some "limitations" for QoS on burst size.
class-map match-all 2MEG
match access-group 2
!
!
policy-map 2MEG
class 2MEG
police 2000000 200000 exceed-action drop
interface FastEthernet0/2
description *** Rate limit to 2Mb ***
no switchport
ip address 1.2.3.4 255.255.255.0
no ip redirects
no ip unreachables
no ip proxy-arp
no ip route-cache
no ip mroute-cache
service-policy input 2MEG
access-list 2 permit any
access-list 2 remark Policy Maps
Regards Jon
05-09-2003 06:06 AM
Hi Jon
I tested your suggestion. Unfortunately I must to you communicate that the tests was not successful. Probably I am here confronted with an error. I will continue to look for. Thanks for your assistance.
Roland
05-14-2003 05:47 AM
Hi Roland
Unfortunately I have the same troubles. I did a quite similar configuration to the one Jon suggested with no luck. (Actually the configuration Cisco says)
Cisco also recommended to disable flowcontrol on the specific interface.
So i wanted to ask if you got some recommondation about this problem so far?
cheers patrick
07-08-2003 06:48 AM
Hi
here is my solution . Hope you are happy.
mls qos
!
class-map match-all CM-BW
match any
!
!
policy-map BW500MB
class CM-BW
police 500000000 2000000 exceed-action drop
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
no ip address
service-policy input BW500MB
service-policy output BW500MB
cheers Roland
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