v
IP subnet-based VLAN configuration example ································································································· 122
Displaying and maintaining VLAN ···························································································································· 124
Configuring an isolate-user-VLAN ·························································································································· 125
Overview······································································································································································· 125
Configuration restrictions and guidelines ·················································································································· 126
Configuration procedure ············································································································································· 126
Displaying and maintaining isolate-user-VLAN ········································································································· 127
Isolate-user-VLAN configuration example ·················································································································· 128
Configuring a voice VLAN ····································································································································· 131
Overview······································································································································································· 131
OUI addresses ····················································································································································· 131
Voice VLAN assignment modes ························································································································· 131
Security mode and normal mode of voice VLANs ··························································································· 133
Configuration prerequisites ········································································································································· 134
Configuring QoS priority settings for voice traffic on an interface ········································································ 134
Configuration restrictions and guidelines ········································································································· 135
Configuration procedure ···································································································································· 135
Configuring a port to operate in automatic voice VLAN assignment mode
·························································· 135
Configuration restrictions and guidelines ········································································································· 135
Configuration procedure ···································································································································· 136
Configuring a port to operate in manual voice VLAN assignment mode ······························································ 136
Configuration restrictions and guidelines ········································································································· 136
Configuration procedure ···································································································································· 137
Displaying and maintaining voice VLAN ·················································································································· 137
Voice VLAN configuration examples ························································································································· 138
Automatic voice VLAN mode configuration example ····················································································· 138
Manual voice VLAN assignment mode configuration example ····································································· 140
Configuring GVRP ··················································································································································· 142
Overview······································································································································································· 142
GARP ···································································································································································· 142
GVRP····································································································································································· 145
Protocols and standards ····································································································································· 145
GVRP configuration task list ········································································································································ 145
Configuring GVRP functions········································································································································ 146
Configuration restrictions and guidelines ········································································································· 146
Configuration procedure ···································································································································· 146
Configuring the GARP timers ······································································································································ 147
Displaying and maintaining GVRP····························································································································· 148
GVRP configuration examples ···································································································································· 148
GVRP normal registration mode configuration example
················································································· 148
GVRP fixed registration mode configuration example ···················································································· 150
GVRP forbidden registration mode configuration example ············································································ 151
Configuring QinQ··················································································································································· 154
Overview······································································································································································· 154
Background and benefits···································································································································· 154
How QinQ works ················································································································································ 154
QinQ frame structure ·········································································································································· 155
Implementations of QinQ ··································································································································· 156
Modifying the TPID in a VLAN tag ···················································································································· 156
Protocols and standards ····································································································································· 157
QinQ configuration task list ········································································································································ 157
Configuring basic QinQ ············································································································································· 158