iv
Isolate-user-VLAN configuration example··················································································································135
Voice VLAN configuration······································································································································ 138
OUI addresses ·····················································································································································138
Voice VLAN assignment modes·························································································································138
Security mode and normal mode of voice VLANs···························································································141
Configuring a voice VLAN··········································································································································142
Configuration prerequisites ································································································································142
Configuring QoS priority settings for voice traffic on an interface································································142
Configuring a port to operate in automatic voice VLAN assignment mode·················································143
Configuring a port to operate in manual voice VLAN assignment mode·····················································143
Displaying and maintaining voice VLAN ··················································································································144
Voice VLAN configuration examples ·························································································································145
Automatic voice VLAN mode configuration example ·····················································································145
Manual voice VLAN assignment mode configuration example ·····································································147
GVRP configuration················································································································································· 149
GARP ····································································································································································149
GVRP ····································································································································································152
Protocols and standards ·····································································································································152
GVRP configuration task list········································································································································153
Configuring GVRP functions ·······································································································································153
Configuring GARP timers ············································································································································154
Displaying and maintaining GVRP·····························································································································155
GVRP configuration examples····································································································································156
GVRP normal registration mode configuration example·················································································156
GVRP fixed registration mode configuration example ····················································································157
GVRP forbidden registration mode configuration example············································································158
QinQ configuration ················································································································································ 161
Background and benefits····································································································································161
How QinQ works················································································································································161
QinQ frame structure ··········································································································································162
Implementations of QinQ ···································································································································163
Modifying the TPID in a VLAN tag····················································································································163
Protocols and standards ·····································································································································164
QinQ configuration task list········································································································································164
Configuring basic QinQ ·············································································································································165
Enabling basic QinQ··········································································································································165
Configuring VLAN transparent transmission ····································································································165
Configuring selective QinQ········································································································································166
Configuring an outer VLAN tagging policy ·····································································································166
Configuring an inner-outer VLAN 802.1p priority mapping··········································································167
Configuring inner VLAN ID substitution ············································································································169
Configuring the TPID value in VLAN tags ·················································································································170
Configuring the TPID value in the CVLAN tag ·································································································170
Configuring the TPID value in the SVLAN tag··································································································170
QinQ configuration examples····································································································································171
Basic QinQ configuration example···················································································································171
Selective QinQ configuration example·············································································································173
VLAN mapping configuration ································································································································ 178
Application scenario of one-to-one and many-to-one VLAN mapping ··························································178
Application scenario of two-to-two VLAN mapping ························································································179
Concepts and terms ············································································································································180
VLAN mapping implementations·······················································································································181
Configuring VLAN mapping ·······································································································································182
Configuring one-to-one VLAN mapping ···········································································································183