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New Member

Cisco Interface Shaping

I am setting up a shaper for my ISP facing interface.

I went to apply

max-reserved-bandwidth 100 under my interface

My question is, how do I apply the same command or something that does the same thing?

policy-map Shaper

class class-default

shape average 36800000

bandwidth 100

I was reading the article below and noticed that max reserved is a depeciated command, does the above bandwidth statement do the same thing?

http://www.cisco.com/c/en/us/td/docs/ios/ios_xe/qos/configuration/guide/convert/qos_mqc_xe/legacy_qos_cli_deprecation_xe.html

2 REPLIES

Re: Cisco Interface Shaping

Simon,

I believe with older IOS images, the default was tosave 25% for control plane traffic, because Cisco didn't trust us engineers I guess. Now, they completely trust us, and it's up to us to not be stupid.

I would do the following.

Let's say you have 100Mbps Internet link going to your ISP on Router

policy-map 100M_SHAPE

class class-default

shape average 100000000

int x/x     <-- Interface going to your ISP from your Router

service-policy out 100M_SHAPE

***** Edit *****

If you have control plane traffic, or any other traffic, you want to have some priority too, you can always include

a child policy-map to the parent 100M_SHAPE

New Member

Cisco Interface Shaping

Thanks for the prompt response

My bad - the connection is dot1q to the provider, hence the need for the shaping due to the ethernet overhead

So I have 40 Mb connection and it works out at a shape average 36800000

I think you have answered my question though, reading into it, I don't need that line of config

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