Chapter3
SVLANCOS
Configuration
TableofContents
SVLANCOSOverview.........................................................23
ConguringSVLANCOS......................................................23
SVLANCOSCongurationExample......................................24
SVLANCOSMaintenanceandDiagnosis................................24
SVLANCOSOverview
InSVLANQinQmode,whenreceivingtaggeddatapacketfrom
usertrunkport,uplinkportreservestheoriginaldatapackettag
andattachesserviceprovidertag.Thistagincludes2bytesEth-
ernettype(0x8100)and2bytespriorityandVID,inwhichpriority
eldis3bitsandthiseldisCOS,wecallthisasservicetype,ser-
vicelevel.Orservicepriority.ThefunctionistocongureCOS
priorityvalue.
ConfiguringSVLANCOS
St-
ep
CommandFunction
1
ZXR10(config)#cos-session<session_id>[cos0
<0-7>],[cos1<0-7>],[cos2<0-7>],[cos3
<0-7>],[cos4<0-7>],[cos5<0-7>],[cos6
<0-7>],[cos7<0-7>]
ThisconguresSVLANCOS.
session-id<1-16>
Thisconguresacosonetime
ormanycoses.
2
ZXR10(config)#interface<port-name>Thisentersinterface
congurationmode.
3
ZXR10(config-gei_1/x)#cos-modecos-map-session
<session_id>
Thisappliessession
correspondingcostophysical
interface.
CondentialandProprietaryInformationofZTECORPORATION23