Owners Manual
Configuring Tunnel allow-remote Decapsulation..........................................................................945
Configuring Tunnel source anylocal Decapsulation.......................................................................946
56 Uplink Failure Detection (UFD)....................................................................947
Feature Description.......................................................................................................................... 947
How Uplink Failure Detection Works...............................................................................................948
UFD and NIC Teaming..................................................................................................................... 949
Important Points to Remember.......................................................................................................949
Configuring Uplink Failure Detection.............................................................................................. 950
Clearing a UFD-Disabled Interface.................................................................................................. 952
Displaying Uplink Failure Detection................................................................................................. 953
Sample Configuration: Uplink Failure Detection.............................................................................956
57 Upgrade Procedures......................................................................................958
Get Help with Upgrades................................................................................................................... 958
58 Virtual LANs (VLANs)......................................................................................959
Default VLAN.....................................................................................................................................959
Port-Based VLANs............................................................................................................................ 960
VLANs and Port Tagging...................................................................................................................961
Configuration Task List..................................................................................................................... 961
Creating a Port-Based VLAN.......................................................................................................961
Assigning Interfaces to a VLAN.................................................................................................. 962
Moving Untagged Interfaces......................................................................................................964
Assigning an IP Address to a VLAN.............................................................................................965
Configuring Native VLANs................................................................................................................965
Enabling Null VLAN as the Default VLAN.........................................................................................966
59 Virtual Link Trunking (VLT)...........................................................................967
Overview........................................................................................................................................... 967
VLT on Core Switches................................................................................................................ 968
Enhanced VLT.............................................................................................................................968
VLT Terminology.............................................................................................................................. 969
Configure Virtual Link Trunking....................................................................................................... 970
Important Points to Remember................................................................................................. 970
Configuration Notes....................................................................................................................971
Primary and Secondary VLT Peers............................................................................................. 974
RSTP and VLT.............................................................................................................................. 975
VLT Bandwidth Monitoring.........................................................................................................975
VLT and Stacking.........................................................................................................................976
VLT and IGMP Snooping.............................................................................................................976
VLT IPv6.......................................................................................................................................976