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How can I limit the amount of bandwidth going to an ether.port on a 3640??

How can I limit the amount of bandwidth going to an ether.port on a 3640??

5 REPLIES
Community Member

Re: How can I limit the amount of bandwidth going to an ether.po

Hi,

You can use the traffic shaping functionality which can be applied to outbound traffic on an ethernet interface. But beware, the limit on traffic shaping seems to be about 1 billion bits which equate to about 12.5 mb. At 10MB Ethernet speeds you should be ok but fast ethernet is a bit of a problem.

See the 'traffic-shape rate' command for an overall cap limit or the 'traffic-shape group' command to apply a limit for traffic matching an access list.

Best regards,

Carl

Community Member

Re: How can I limit the amount of bandwidth going to an ether.po

traffic-shape will do up to 97.7 Mbps, not 12.5 Mbps.

If 1,024,000 bps = I Mbps

then

100,000,000 bps / 1,024,000 = 97.65625 Mbps

So the traffic shaping will almost do 100 Mbps

Community Member

Re: How can I limit the amount of bandwidth going to an ether.po

Hi,

You can use the traffic shaping functionality which can be applied to outbound traffic on an ethernet interface. But beware, the limit on traffic shaping seems to be about 1 billion bits which equate to about 12.5 mb. At 10MB Ethernet speeds you should be ok but fast ethernet is a bit of a problem.

See the 'traffic-shape rate' command for an overall cap limit or the 'traffic-shape group' command to apply a limit for traffic matching an access list.

Best regards,

Carl

Community Member

Re: How can I limit the amount of bandwidth going to an ether.po

that works, but I also need to limit traffic that is inbound. Is there any way to do that?? Thanks in advance.

jpoulos

Community Member

Re: How can I limit the amount of bandwidth going to an ether.po

Hi, why dont you use rate-limit for this problem ? It works well on Ethernet as you are limiting the specified traffic itself. Please note that it should be defined seperately for each direction.

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