From: Swaroop Potdar (swarooppotdar@hotmail.com)
Date: Mon Nov 01 2004 - 10:22:46 GMT-3
Hi Scott,
Thanks for your reply....though still have a doubt would appreciate some
more of your time
I am pasting the config below..is the interface config correct i mean can we
do reserved bandwidth 100% and if we do so do we have to consider some space
for the default class....and on the same interface i have given two
different service policy variations config which one is correct ?
the one without default class or the one with it. as there is a default
class by default is it mandatory to use and allocate some percentage or
leave aside some percentage for it.
--------------------------------------------------------
interface Ethernet0/0
ip address 133.1.23.2 255.255.255.128
ip nbar protocol-discovery
ip pim sparse-mode
max-reserved-bandwidth 100
service-policy output CBWFQ
half-duplex
end
1)
class-map match-all queue1
match protocol telnet
class-map match-all queue3
match protocol http
class-map match-all queue2
match protocol ftp
class-map match-all queue4
match protocol dlsw
!
!
policy-map CBWFQ
class queue1
bandwidth percent 22
class queue2
bandwidth percent 7
class queue3
bandwidth percent 37
class queue4
bandwidth percent 34
!
or
2)
class-map match-all queue1
match protocol telnet
class-map match-all queue3
match protocol http
class-map match-all queue2
match protocol ftp
class-map match-all queue4
match protocol dlsw
!
!
policy-map CBWFQ
class queue1
bandwidth percent 22
class queue2
bandwidth percent 7
class queue3
bandwidth percent 37
class queue4
bandwidth percent 22
class class-default
bandwidth percent 12
!
-----------------------------------------
>From: "Scott Morris" <swm@emanon.com>
>Reply-To: "Scott Morris" <swm@emanon.com>
>To: "'Swaroop Potdar'" <swarooppotdar@hotmail.com>,
><ccielab@groupstudy.com>
>Subject: RE: CBWFQ Percentage Calculation Doubt
>Date: Mon, 1 Nov 2004 08:08:47 -0500
>
>In 12.1, the percentage was calculated based on interface bandwidth,
>allowed
>to a max additive value of 75%.
>
>In 12.2, this was changed to calculate based on "available bandwidth",
>which
>was a pre-calculated value of 75% of the line bandwidth. So you could
>reserve 100% of this amount.
>
>HTH,
>
>
>Scott Morris, MCSE, CCDP, CCIE4 (R&S/ISP-Dial/Security/Service Provider)
>#4713, JNCIP, CCNA-WAN Switching, CCSP, Cable Communications Specialist, IP
>Telephony Support Specialist, IP Telephony Design Specialist, CISSP
>CCSI #21903
>swm@emanon.com
>
>
>
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Swaroop Potdar
>Sent: Monday, November 01, 2004 6:16 AM
>To: ccielab@groupstudy.com
>Subject: CBWFQ Percentage Calculation Doubt
>
>Hi Group,
>
>I wanted to confirm this doubt about CBWFQ,
>
>-----------------
>
>If in a question the default queue size to be used is not given
>
>then;
>
>do we have to do the bandwidth calculation without factoring the
>max-reserved-bandwidth.
>
>and if the default queue size for the traffic is given
>
>then
>
>we have to do the bandwidth percentage calculation as 100% of the interface
>bandwidth
>
>?????
>
>
>
>Regards,
>Swaroop
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Regards,
Swaroop.
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