Specifications

Policy Overview
May 18, 2009 Page 9 of 32
Adatavalueisassociatedwithmosttrafficclassificationstoidentifythespecificnetworkelement
forthatclassification.Fordatavalueandassociatedmaskdetails,seethe“ValidValuesforPolicy
ClassificationRules”tableinthesetpolicyrulecommanddiscussionofthecommandreference
guideforyourplatform.
Configuring Policy Role Traffic Classification Precedence
Enhanced Policy
Eachpolicyrolehasaprecedencelistassociatedwithitthatdeterminestheorderinwhich
classificationrulesareappliedtoapacket.Thelowertheplacementoftheclassificationrule
attributeinthelist,thehighertheprecedencevalueofthatattributewhenapplyingclassification
rules.
Allclassificationruleattributes
supportedbytheplatformhaveastaticnumericIDvalueandare
membersofaprecedencelist.SeeTable 1onpage 8foralistingofclassificationrulea ttributesand
theirassociatedattributeIDvalues.
Usetheshowpolicyprofilecommandtodisplaythecurrentprecedencelistassociatedwitha
policy
role.
Bydefault,theprecedencelistismadeupofattribute values1‐31,withunsupportedIDvaluesnot
specified.Theprecedencelistassociatedwithagivenrolecanbemodifiedusingtheprecedence
optioninthesetpolicyprofilecommand.ThefollowingN‐Seriesexamplesetstheport(31)
attributetothehighestprecedenceandleavestheremainingattributesinthedefaultordering:
Matrix(rw)->set policy profile 200 precedence 31,1-8,12-19,21-22,25-28
Matrix(rw)->show policy profile 200
Profile Index :200
Profile Name :
.
.
.
Rule Precedence :31,1-8,12-19,21-22,25-28
:Port (31), MACSource (1), MACDest (2), IPXSource (3),
:IPXDest (4), IPXSrcSocket (5), IPXDstSocket (6),
:IPXClass (7), IPXType (8), IPSource (12),
:IPDest (13), IPFrag (14), UDPSrcPort (15),
:UDPDestPort (16), TCPSrcPort (17), TCPDestPort (18),
:ICMPType (19), IPTOS (21), IPProto (22), Ether (25),
:LLCDSAPSSAP (26), VLANTag (27), TCI (28)
.
.
.
Matrix(rw)->
Specifying Storage Type
Enhanced Policy
Enhancedpolicyprovidesforspecifyingthestoragetypeforthisruleentry.Storagetypesare
volatileandnon‐volatile.Volatilestoragedoesnotpersistafteraresetofthedevice.Non‐volatile
Note: The optional post-fixed port traffic classification listed in Table 1 for IP, UDP, and TCP source
and destination port traffic classifications is supported on DFE blades only.