From: Scott Morris (swm@emanon.com)
Date: Fri Feb 21 2003 - 14:18:21 GMT-3
By default you can allocate 75% of a links bandwidth. So if you
allocate 50% of it, it will work perfectly fine because that's below the
target level.
Different versions of IOS behave differently if you over-subscribe it.
Some will give you an error when you attempt to apply the service policy
(new method), others will automatically recalculate as you noted there
and not tell you about it (older way).
Bottom line is that you can change the 75% rule with the
"max-allocated-bandwidth (%)" interface command. Also, be sure to
specify bandwidth on serial interfaces lest they default to 1544K!
Hope that helps,
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Sam.MicroGate@usa.telekom.de
Sent: Friday, February 21, 2003 8:36 AM
To: rionaldi@cbn.net.id; ccielab@groupstudy.com
Subject: RE: CBWFQ
I am not sure about the first part of the question. However, for the
second part, if you try to reserve more than max reserve bandwidth using
the bandwidth or the priority command, you will get an error message.
Elsayed Mohamed, CCNP, CCNA, MCP, CNE
Sr. Network Consultant
Microgateds, Inc.
732-936-4413
-----Original Message-----
From: rionaldi@cbn.net.id [mailto:rionaldi@cbn.net.id]
Sent: Saturday, February 15, 2003 8:40 PM
To: ccielab@groupstudy.com
Subject: CBWFQ
Dear All,
I still confuse with the CBWFQ bandiwidth allocation....
If I specify let say bandiwidh percentage 50% under certain class...
does it mean the class only have 37.5% bandiwidth allocation (50% X 75%
default max reserved bandwidth)?
And then let say I have serial let say with 1 Mbps capacity.... does it
means that I only can use 750 kbps of it bandwidth.. what happen when
the total bandwidth I used is more than 750kbps by default ? I is
resulting any error?
Regards,
Prio
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