Concept Guide

59 Upgrade Procedures.............................................................................................................................. 1050
Upgrade OverviewGet Help with Upgrades.............................................................................................................1050
Bootup and Upgrades..................................................................................................................................................1050
60 Uplink Failure Detection (UFD)............................................................................................................... 1051
Feature Description.......................................................................................................................................................1051
How Uplink Failure Detection Works......................................................................................................................... 1052
UFD and NIC Teaming................................................................................................................................................. 1053
Important Points to Remember..................................................................................................................................1053
Conguring Uplink Failure Detection......................................................................................................................... 1054
Clearing a UFD-Disabled Interface.............................................................................................................................1055
Displaying Uplink Failure Detection............................................................................................................................ 1056
Sample Conguration: Uplink Failure Detection....................................................................................................... 1058
61 Virtual LANs (VLANs)............................................................................................................................. 1060
Default VLAN................................................................................................................................................................1060
Port-Based VLANs....................................................................................................................................................... 1061
VLANs and Port Tagging..............................................................................................................................................1061
Conguration Task List................................................................................................................................................ 1062
Enabling Null VLAN as the Default VLAN........................................................................................................... 1062
Assigning an IP Address to a VLAN..................................................................................................................... 1062
Conguring Native VLANs....................................................................................................................................1063
Creating a Port-Based VLAN............................................................................................................................... 1064
Assigning Interfaces to a VLAN............................................................................................................................1064
Moving Untagged Interfaces................................................................................................................................ 1066
62 VLT Proxy Gateway................................................................................................................................ 1067
Proxy Gateway in VLT Domains..................................................................................................................................1067
Guidelines for Enabling the VLT Proxy Gateway................................................................................................ 1068
Enabling the VLT Proxy Gateway.........................................................................................................................1069
LLDP Organizational TLV for Proxy Gateway.....................................................................................................1069
Sample Congurations for LLDP VLT Proxy Gateway.......................................................................................1070
Sample Congurations for Static VLT Proxy Gateway...................................................................................... 1070
Sample Scenario for VLT Proxy Gateway............................................................................................................ 1071
Conguring a Static VLT Proxy Gateway.................................................................................................................. 1072
Conguring an LLDP VLT Proxy Gateway.................................................................................................................1072
63 Virtual Routing and Forwarding (VRF).................................................................................................... 1074
VRF Overview...............................................................................................................................................................1074
VRF Conguration Notes............................................................................................................................................ 1075
DHCP....................................................................................................................................................................... 1077
VRF Conguration........................................................................................................................................................ 1077
Load VRF CAM....................................................................................................................................................... 1077
Creating a Non-Default VRF Instance................................................................................................................. 1078
Assigning an Interface to a VRF........................................................................................................................... 1078
Contents
33