Administrator Guide

21 GARP VLAN Registration Protocol (GVRP).............................................................................................. 319
Important Points to Remember.................................................................................................................................... 319
Congure GVRP............................................................................................................................................................. 319
Related Conguration Tasks...................................................................................................................................320
Enabling GVRP Globally................................................................................................................................................ 320
Enabling GVRP on a Layer 2 Interface.........................................................................................................................321
Congure GVRP Registration....................................................................................................................................... 321
Congure a GARP Timer.............................................................................................................................................. 322
22 FIP Snooping........................................................................................................................................... 323
Supported Modes..........................................................................................................................................................323
Fibre Channel over Ethernet........................................................................................................................................ 323
Ensuring Robustness in a Converged Ethernet Network......................................................................................... 323
FIP Snooping on Ethernet Bridges.............................................................................................................................. 325
How FIP Snooping is Implemented..............................................................................................................................326
FIP Snooping on VLANs......................................................................................................................................... 326
FC-MAP Value..........................................................................................................................................................327
Bridge-to-FCF Links................................................................................................................................................ 327
Impact on other Software Features.......................................................................................................................327
FIP Snooping Prerequisites..................................................................................................................................... 327
FIP Snooping Restrictions...................................................................................................................................... 328
Conguring FIP Snooping.............................................................................................................................................328
Displaying FIP Snooping Information...........................................................................................................................329
FIP Snooping Example.................................................................................................................................................. 334
Debugging FIP Snooping.............................................................................................................................................. 334
23 Internet Group Management Protocol (IGMP).........................................................................................336
IGMP Overview..............................................................................................................................................................336
IGMP Version 2..............................................................................................................................................................336
Joining a Multicast Group....................................................................................................................................... 337
Leaving a Multicast Group...................................................................................................................................... 337
IGMP Version 3.............................................................................................................................................................. 337
Joining and Filtering Groups and Sources............................................................................................................ 338
Leaving and Staying in Groups...............................................................................................................................339
IGMP Snooping..............................................................................................................................................................340
How IGMP Snooping is Implemented on an Aggregator.......................................................................................... 340
Disabling Multicast Flooding.........................................................................................................................................340
Displaying IGMP Information........................................................................................................................................340
24 Interfaces.................................................................................................................................................343
Basic Interface Conguration.......................................................................................................................................343
Advanced Interface Conguration...............................................................................................................................343
Interface Types...............................................................................................................................................................344
View Basic Interface Information.................................................................................................................................344
Conguring the Default Interface................................................................................................................................ 346
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