Specifications

Using ACLs to Change CoS
15-20 Configuring and Managing Security ACLs
6. Alternatively,toclear theentireeditbufferofallchangesmadesinceasecurityACLwaslast
committedanddisplaytheresults,typethefollowingcommands:
RBT-8100# rollback security acl all
RBT-8100# show security acl info editbuffer
ACL edit-buffer information for all
Using ACLs to Change CoS
ForWMMornonWMMtraffic,youcanchangeapacket’sprioritybyusinganACLtochangethe
packet’s CoSvalue.ACoSvalueassignedbyanACEoverridestheCoSvalueassignedbythe
switch’sQoSmap.
TochangeCoS valuesusinganACL,youmustmaptheACL
tothe outboundtrafficdirectionona
APPort,DistributedAP,oruserVLAN.
Example
ToremapIPpacketsfromIPaddress10.10.20.5thathaveIPprecedencevalue3,tohaveCoSvalue
7whentheyareforwardedtoany10.10.30.xaddressonDistributedAP2,enterthefollowing
commands:
RBT-8100# set security acl ip acl1 permit cos 7 ip 10.10.20.5 0.0.0.0 10.10.30.0
0.0.0.255 precedence 3
success: change accepted.
RBT-8100# set security acl ip acl1 permit any
success: change accepted.
RBT-8100# commit security acl acl1
success: change accepted.
RBT-8100# set security acl map acl1 dap 2 out
success: change accepted.
Thedefaultactiononaninterfaceandtrafficdirectionthathasatleastoneaccesscontrolentry
(ACE)configured,istodenyalltrafficthatdoesnotmatchanACEonthatinterfaceandtraffic
direction.ThepermitanyACEensuresthat trafficthatdoesnotmatchthefirstACEis
permitted.
WithoutthisadditionalACEattheend,trafficthatdoesnotmatchtheotherACEisdropped.