qos bandwidth percent

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1、Qos bandwidth percent   Tobeabletoverifythepotentialdifferencesbetween12.2and12.3I   upgradedoneofmyroutersto12.3(6)mainline:   R3#shver   CiscoInternetworkOperatingSystemSoftwareIOS(tm)3600Software(C3640-IS-M),Version12.3(6),RELEASESOFTWARE(fc3)   Isubsequentlyconfiguredaservicepolicyonar

2、egularethernet   interfaceandstartedassigningbandwidthpercentagestosomeclasses:   R3(config)#policy-mapTEST   R3(config-pmap)#exit   R3(config)#inte0/0   R3(config-if)#service-policyoutputTEST   R3(config-if)#exit   R3(config)#class-mapCLASS-1   R3(config-cmap)#matchaccess-group1   R3(config-cma

3、p)#class-mapCLASS-2   R3(config-cmap)#matchaccess-group2   R3(config-cmap)#class-mapCLASS-3   R3(config-cmap)#matchaccess-group3   R3(config-cmap)#class-mapCLASS-4   R3(config-cmap)#matchaccess-group4   R3(config-cmap)#policy-mapTEST   R3(config-pmap)#classCLASS-1   R3(config-pmap-c)#bandwidth? 

4、  <8-2000000>KiloBitspersecond   percent%oftotalBandwidth   remaining%oftheremainingbandwidth   R3(config-pmap-c)#bandwidthpercent50   R3(config-pmap-c)#classCLASS-2   R3(config-pmap-c)#bandwidthpercent15   R3(config-pmap-c)#classCLASS-3   R3(config-pmap-c)#bandwidthpercent10   R3(config-pmap-c)

5、#classCLASS-4   R3(config-pmap-c)#bandwidthpercent10   I/fEthernet0/0classCLASS-4requestedbandwidth10%,availableonly   0%   R3(config-pmap-c)#^Z   R3#Asyoucanseetherouternowpreventsmefromassigningmorethan75%   intotalbecausethepercentagenowreferstotheTOTALbandwidth,not   theavailablebandwidth.  

6、 Youcanalsoseethatveryclearlyfromtheshowcommands:   R3#shpolicy-mapinte0/0   Ethernet0/0   Service-policyoutput:TEST   Class-map:CLASS-1(match-all)   0packets,0bytes   5minuteofferedrate0bps,droprate0bps   Match:access-group1   Queueing   OutputQueue:Conversation265   Bandwidth50(%)   Bandwidth5

7、000(kbps)MaxThreshold64(packets)   (pktsmatched/bytesmatched)0/0   (depth/totaldrops/no-bufferdrops)0/0/0   Class-map:CLASS-2(match-all)   0packets,0bytes   5minuteofferedrate0bps,droprate0bps   Match:access-group2   Queuein