Service Manual

Configuring Tunnel Keepalive Settings..............................................................................................................917
Configuring a Tunnel Interface............................................................................................................................917
Configuring Tunnel Allow-Remote Decapsulation........................................................................................ 918
Configuring the Tunnel Source Anylocal..........................................................................................................918
58 Uplink Failure Detection (UFD)...................................................................................................................... 920
Feature Description............................................................................................................................................... 920
How Uplink Failure Detection Works................................................................................................................. 921
UFD and NIC Teaming.......................................................................................................................................... 922
Important Points to Remember.......................................................................................................................... 922
Configuring Uplink Failure Detection................................................................................................................ 923
Clearing a UFD-Disabled Interface.................................................................................................................... 924
Displaying Uplink Failure Detection................................................................................................................... 925
Sample Configuration: Uplink Failure Detection.............................................................................................927
59 Upgrade Procedures........................................................................................................................................ 929
Get Help with Upgrades....................................................................................................................................... 929
60 Virtual LANs (VLANs)........................................................................................................................................930
Default VLAN........................................................................................................................................................... 931
Port-Based VLANs.................................................................................................................................................. 931
VLANs and Port Tagging....................................................................................................................................... 931
Configuration Task List......................................................................................................................................... 932
Creating a Port-Based VLAN..........................................................................................................................932
Assigning Interfaces to a VLAN......................................................................................................................933
Moving Untagged Interfaces......................................................................................................................... 934
Assigning an IP Address to a VLAN...............................................................................................................935
Configuring Native VLANs....................................................................................................................................935
Enabling Null VLAN as the Default VLAN..........................................................................................................936
61 VLT Proxy Gateway...........................................................................................................................................937
Proxy Gateway in VLT Domains.......................................................................................................................... 937
Guidelines for Enabling the VLT Proxy Gateway.......................................................................................938
Enabling the VLT Proxy Gateway..................................................................................................................939
LLDP Organizational TLV for Proxy Gateway.............................................................................................939
Configuring an LLDP VLT Proxy Gateway........................................................................................................ 942
Configuring a Static VLT Proxy Gateway.......................................................................................................... 942
62 Virtual Link Trunking (VLT)............................................................................................................................. 943
Overview..................................................................................................................................................................943
VLT on Core Switches.....................................................................................................................................944
Enhanced VLT................................................................................................................................................... 945
VLT Terminology....................................................................................................................................................945
Configure Virtual Link Trunking..........................................................................................................................946
Important Points to Remember....................................................................................................................946
Configuration Notes........................................................................................................................................ 947
Primary and Secondary VLT Peers................................................................................................................950
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