802.1Q VLAN .................................................................................................................... 77
Q-in-Q .......................................................................................................................... 81
Link Layer Discovery Protocol (LLDP) ........................................................................... 88
MAC VLAN ........................................................................................................................ 89
IP Subnet VLAN ................................................................................................................ 91
Dual Homing..................................................................................................................... 91
Xpress Ring ....................................................................................................................... 91
Default Settings ................................................................................................................ 92
Xpress-Ring Configurations: ............................................................................................. 92
The global Xpress Ring state is: Disabled. ........................................................................ 92
Ring 1: State : Disabled. ................................................................................................... 92
Destination MAC : 01:80:c2:ff:ff:f0. ................................................................................. 92
Role : Forwarder............................................................................................................... 92
Primary Port : None. ........................................................................................................ 92
Secondary Port : None. .................................................................................................... 92
Ring 2: State : Disabled. ................................................................................................... 92
Destination MAC : 01:80:c2:ff:ff:f1. ................................................................................. 92
Role : Forwarder............................................................................................................... 92
Primary Port : None. ........................................................................................................ 92
Secondary Port : None. .................................................................................................... 92
Notices ............................................................................................................................. 93
Port Isolation .................................................................................................................... 93
Toplogy Map ................................................................................................................ 94
ERPS (Ethernet Ring Protection Switching) ................................................................. 96
QoS ............................................................................................................................ 100
Power over Ethernet ................................................................... 107
Port Security .............................................................................................................. 112
IP Source Guard ......................................................................................................... 114
DHCP Options ............................................................................................................ 120
DHCP Relay ................................................................................................................ 123
ARP Inspection ............................................................................................................... 125
Filter Table ..................................................................................................................... 127
Access Control List (ACL) ........................................................................................... 129
802.1x ........................................................................................................................ 133
TACACS+ .................................................................................................................... 139
Tools........................................................................................... 140
Firmware Upgrade ..................................................................................................... 140
Configuration ............................................................................................................. 140
Ping ............................................................................................................................ 141
Ping Watchdog .......................................................................................................... 142
Technical Specifications .............................................................. 143
TI-BG262i ................................................................................................................... 143
Troubleshooting ......................................................................... 146
Appendix .................................................................................... 147