Owners Manual

UFD and NIC Teaming..................................................................................................................... 948
Important Points to Remember.......................................................................................................948
Configuring Uplink Failure Detection.............................................................................................. 949
Clearing a UFD-Disabled Interface...................................................................................................951
Displaying Uplink Failure Detection................................................................................................. 952
Sample Configuration: Uplink Failure Detection.............................................................................955
57 Upgrade Procedures......................................................................................957
Get Help with Upgrades................................................................................................................... 957
58 Virtual LANs (VLANs)..................................................................................... 958
Default VLAN.....................................................................................................................................958
Port-Based VLANs............................................................................................................................ 959
VLANs and Port Tagging...................................................................................................................959
Configuration Task List.....................................................................................................................960
Creating a Port-Based VLAN......................................................................................................960
Assigning Interfaces to a VLAN...................................................................................................961
Moving Untagged Interfaces...................................................................................................... 962
Assigning an IP Address to a VLAN............................................................................................ 964
Configuring Native VLANs................................................................................................................964
Enabling Null VLAN as the Default VLAN.........................................................................................965
59 Virtual Link Trunking (VLT).......................................................................... 966
Overview........................................................................................................................................... 966
VLT on Core Switches.................................................................................................................967
Enhanced VLT............................................................................................................................. 967
VLT Terminology.............................................................................................................................. 968
Configure Virtual Link Trunking....................................................................................................... 969
Important Points to Remember................................................................................................. 969
Configuration Notes................................................................................................................... 970
Primary and Secondary VLT Peers..............................................................................................973
RSTP and VLT.............................................................................................................................. 974
VLT Bandwidth Monitoring.........................................................................................................974
VLT and Stacking.........................................................................................................................975
VLT and IGMP Snooping.............................................................................................................975
VLT IPv6.......................................................................................................................................975
VLT Port Delayed Restoration.....................................................................................................975
PIM-Sparse Mode Support on VLT.............................................................................................976
VLT Routing ................................................................................................................................ 977
Non-VLT ARP Sync.....................................................................................................................980
RSTP Configuration..........................................................................................................................980
Preventing Forwarding Loops in a VLT Domain........................................................................980