GVRP ····································································································································································· 133
Protocols and standards ····································································································································· 133
GVRP configuration task list ········································································································································ 133
Configuring basic GVRP functions ····························································································································· 134
Configuration prerequisites ································································································································ 134
Configuration procedure ···································································································································· 134
Configuring the GARP timers ······································································································································ 135
Configuration procedure ···································································································································· 136
Displaying and maintaining GVRP ····························································································································· 136
GVRP configuration examples ···································································································································· 137
Configuring QinQ ··················································································································································· 142
Overview ······································································································································································· 142
Background and benefits ···································································································································· 142
How QinQ works ················································································································································ 142
QinQ frame structure ·········································································································································· 143
Implementations of QinQ ··································································································································· 144
Protocols and standards ····································································································································· 145
QinQ configuration task list ········································································································································ 145
Configuring basic QinQ ············································································································································· 146
Enabling basic QinQ ·········································································································································· 146
Configuring selective QinQ ········································································································································ 147
In system view ······················································································································································ 150
In interface or port group view ·························································································································· 150
QinQ configuration examples ···································································································································· 151
Configuring VLAN termination ······························································································································· 159
Overview ······································································································································································· 159
VLAN termination types ······································································································································ 159
Application scenarios ········································································································································· 159
Configuring Dot1q termination ··································································································································· 161
Configuring QinQ termination ··································································································································· 162
Network requirements ········································································································································· 165
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