Users Guide

VLANs and Port Tagging.............................................................................................................................................1054
Conguration Task List................................................................................................................................................1055
Enabling Null VLAN as the Default VLAN...........................................................................................................1055
Assigning an IP Address to a VLAN.....................................................................................................................1055
Conguring Native VLANs....................................................................................................................................1056
Creating a Port-Based VLAN................................................................................................................................1057
Assigning Interfaces to a VLAN............................................................................................................................1057
Moving Untagged Interfaces................................................................................................................................ 1059
62 VLT Proxy Gateway................................................................................................................................ 1060
Proxy Gateway in VLT Domains................................................................................................................................. 1060
Guidelines for Enabling the VLT Proxy Gateway.................................................................................................1061
Enabling the VLT Proxy Gateway.........................................................................................................................1062
LLDP Organizational TLV for Proxy Gateway.....................................................................................................1062
Sample Congurations for LLDP VLT Proxy Gateway...................................................................................... 1063
Sample Congurations for Static VLT Proxy Gateway......................................................................................1063
Sample Scenario for VLT Proxy Gateway........................................................................................................... 1064
Conguring a Static VLT Proxy Gateway..................................................................................................................1065
Conguring an LLDP VLT Proxy Gateway................................................................................................................ 1065
63 Virtual Routing and Forwarding (VRF)....................................................................................................1067
VRF Overview...............................................................................................................................................................1067
VRF Conguration Notes............................................................................................................................................1068
DHCP.......................................................................................................................................................................1070
VRF Conguration........................................................................................................................................................1070
Load VRF CAM.......................................................................................................................................................1070
Creating a Non-Default VRF Instance..................................................................................................................1071
Assigning an Interface to a VRF............................................................................................................................1071
Assigning a Front-end Port to a Management VRF........................................................................................... 1071
View VRF Instance Information............................................................................................................................ 1072
Assigning an OSPF Process to a VRF Instance..................................................................................................1072
Conguring VRRP on a VRF Instance................................................................................................................. 1072
Conguring Management VRF.............................................................................................................................1073
Conguring a Static Route.................................................................................................................................... 1074
Route Leaking VRFs.....................................................................................................................................................1074
Sample VRF Conguration..........................................................................................................................................1075
Dynamic Route Leaking............................................................................................................................................... 1076
Conguring Route Leaking with Filtering.............................................................................................................1077
Conguring Route Leaking without Filtering Criteria.........................................................................................1078
64 Virtual Link Trunking (VLT)......................................................................................................................1081
Overview........................................................................................................................................................................1081
VLT on Core Switches........................................................................................................................................... 1084
VLT Terminology...........................................................................................................................................................1084
Important Points to Remember..................................................................................................................................1084
Conguration Notes.....................................................................................................................................................1085
Contents
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