8 Interface management ....................................................................................................... 98
8.1 VLAN Configuration............................................................................................................ 98
8.1.1 Configuration algorithm .............................................................................................. 99
8.1.2 Configuration example 1. VLAN removal from the interface.................................. 100
8.1.3 Configuration example 2. Enabling VLAN processing in tagged mode ................. 101
8.1.4 Configuration example 3. Enabling VLAN processing in tagged and untagged
modes......................................................................................................................... 102
8.2 LLDP configuration ........................................................................................................... 102
8.2.1 Configuration algorithm ............................................................................................ 103
8.2.2 Configuration example .............................................................................................. 104
8.3 LLDP MED configuration .................................................................................................. 105
8.3.1 Configuration algorithm ............................................................................................ 105
8.3.2 Voice VLAN configuration example.......................................................................... 106
8.4 Sub-interface termination configuration ......................................................................... 107
8.4.1 Configuration algorithm ............................................................................................ 108
8.4.2 Sub-interface configuration example ....................................................................... 110
8.5 Q-in-Q termination configuration ..................................................................................... 110
8.5.1 Configuration algorithm ............................................................................................ 110
8.5.2 Q-in-Q configuration example ................................................................................... 113
8.6 USB modems configuration ............................................................................................. 114
8.6.1 USB modems configuration algorithm ..................................................................... 114
8.6.2 Configuration example .............................................................................................. 117
8.7 PPP through E1 configuration.......................................................................................... 117
8.7.1 Configuration algorithm ............................................................................................ 118
8.7.2 Configuration example .............................................................................................. 120
8.8 MLPPP Configuration ....................................................................................................... 121
8.8.1 Configuration algorithm ............................................................................................ 121
8.8.2 Configuration example .............................................................................................. 123
8.9 Bridge configuration ......................................................................................................... 124
8.9.1 Configuration algorithm ............................................................................................ 124
8.9.2 Example of bridge configuration for VLAN and L2TPv3 tunnel.............................. 127
8.9.3 Example of bridge configuration for VLAN .............................................................. 129
8.9.4 Configuration example of the second VLAN tag adding/removing ....................... 131
8.10 Dual-Homing configuration .............................................................................................. 131
8.10.1 Configuration algorithm ............................................................................................ 132
8.10.2 Configuration example .............................................................................................. 132
8.11 Mirroring configuration (SPAN/RSPAN).......................................................................... 133
8.11.1 Configuration algorithm ............................................................................................ 134