Administrator Guide

Assigning a Front-end Port to a Management VRF.......................................................................................... 1080
View VRF Instance Information.............................................................................................................................1081
Assigning an OSPF Process to a VRF Instance.................................................................................................. 1081
Conguring VRRP on a VRF Instance..................................................................................................................1081
Conguring Management VRF.............................................................................................................................1082
Conguring a Static Route....................................................................................................................................1083
Route Leaking VRFs.....................................................................................................................................................1083
Sample VRF Conguration..........................................................................................................................................1084
Dynamic Route Leaking...............................................................................................................................................1085
Conguring Route Leaking with Filtering............................................................................................................ 1086
Conguring Route Leaking without Filtering Criteria.........................................................................................1087
64 Virtual Link Trunking (VLT).....................................................................................................................1090
Overview.......................................................................................................................................................................1090
VLT on Core Switches........................................................................................................................................... 1093
VLT Terminology...........................................................................................................................................................1093
Important Points to Remember..................................................................................................................................1093
Conguration Notes.....................................................................................................................................................1094
Primary and Secondary VLT Peers.............................................................................................................................1097
RSTP and VLT...............................................................................................................................................................1097
VLT Bandwidth Monitoring......................................................................................................................................... 1097
VLT and High Availability............................................................................................................................................. 1098
VLT and IGMP Snooping.............................................................................................................................................1098
VLT and Stacking......................................................................................................................................................... 1098
VLT IPv6........................................................................................................................................................................1098
VLT Port Delayed Restoration.................................................................................................................................... 1098
PIM-Sparse Mode Support on VLT........................................................................................................................... 1099
VLT Routing ..................................................................................................................................................................1100
Spanned VLANs......................................................................................................................................................1100
VLT Unicast Routing...............................................................................................................................................1100
VLT Multicast Routing.............................................................................................................................................1101
Non-VLT ARP Sync.......................................................................................................................................................1102
RSTP Conguration......................................................................................................................................................1102
Preventing Forwarding Loops in a VLT Domain.................................................................................................. 1103
Sample RSTP Conguration..................................................................................................................................1103
Conguring VLT............................................................................................................................................................ 1104
Conguring a VLT Interconnect............................................................................................................................ 1104
Enabling VLT and Creating a VLT Domain........................................................................................................... 1105
Conguring a VLT Backup Link............................................................................................................................. 1106
Conguring a VLT Port Delay Period....................................................................................................................1106
Reconguring the Default VLT Settings (Optional) ...........................................................................................1107
Connecting a VLT Domain to an Attached Access Device (Switch or Server)...............................................1107
Conguring a VLT VLAN Peer-Down (Optional)................................................................................................ 1108
Conguring Enhanced VLT (eVLT) (Optional).................................................................................................... 1109
VLT Sample Conguration.......................................................................................................................................1111
eVLT Conguration Example........................................................................................................................................ 1114
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