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Help Can not configure output service policy

garth.gordon
Level 1
Level 1

PE5-MAL-BE(config-if)# service-policy output ccna-sp-nan1-out-MIPS

I/f Serial1/1 class class-default requested bandwidth 34360 (kbps) Available only 34002 (kbps)

interface Serial1/1

mtu 1500

no ip address

encapsulation frame-relay IETF

no ip mroute-cache

logging event subif-link-status

logging event dlci-status-change

tx-ring-limit 56

max-reserved-bandwidth 100

service-policy input ccna-sp-nan1-in-MIPS

framing g751

dsu bandwidth 34010

clock source internal

serial restart-delay 0

frame-relay lmi-type ansi

frame-relay intf-type dce

4 Replies 4

romccallum
Level 4
Level 4

what does your policy map look like

You cant use more than 75 percent of total bandwidth for QoS. Here is a TAC case that describes the issue and discusses a workaround.

http://www.ciscotaccc.com/atm/showcase?case=K15701684

spremkumar
Level 9
Level 9

hi

As exactly pointed out by the other poster you wont be able to configure more than 75% of the total B/W available if u wanna do more than that better you can check out for max-reserved-bandwidth command undder the particular where you are trying to apply the policy map.

but do take care and plan accordingly about the minimum b/w requirement for the routing protocol updates etc.,

do refer this link too for more info on the same..

http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/qos_r/qrdcmd3.htm#wp1023531

regds

Hi,

Do "show interface" on your Serial interface and see the bandwidth set on the interface. You have configured 'max-reserved-bandwidth' to be 100%, but still it's not enough and you're oversubscribing with you QoS reservation :-(

You can either set the bandwidth on the interface to a higher value (be careful not to overscribe the actual bandwidth or you will queue and potentially drop packets when you apply QoS for 100% of bandwidth) or reserve less bandwith in your policy-map.

David