Users Guide

VRF Configuration Notes............................................................................................................................................1022
DHCP.......................................................................................................................................................................1024
VRF Configuration....................................................................................................................................................... 1024
Load VRF CAM.......................................................................................................................................................1024
Creating a Non-Default VRF Instance.................................................................................................................1025
Assigning an Interface to a VRF...........................................................................................................................1025
Assigning a Front-end Port to a Management VRF..........................................................................................1025
View VRF Instance Information............................................................................................................................1026
Assigning an OSPF Process to a VRF Instance................................................................................................. 1026
Configuring VRRP on a VRF Instance.................................................................................................................1026
Configuring Management VRF.............................................................................................................................1027
Configuring a Static Route................................................................................................................................... 1028
Route Leaking VRFs.................................................................................................................................................... 1028
Sample VRF Configuration......................................................................................................................................... 1029
Dynamic Route Leaking...............................................................................................................................................1030
Configuring Route Leaking with Filtering.............................................................................................................1031
Configuring Route Leaking without Filtering Criteria........................................................................................ 1032
63 Virtual Link Trunking (VLT).................................................................................................................... 1035
Overview.......................................................................................................................................................................1035
VLT on Core Switches.......................................................................................................................................... 1038
VLT Terminology..........................................................................................................................................................1038
Important Points to Remember..................................................................................................................................1038
Configuration Notes.................................................................................................................................................... 1039
Primary and Secondary VLT Peers............................................................................................................................1042
RSTP and VLT..............................................................................................................................................................1042
VLT Bandwidth Monitoring.........................................................................................................................................1042
VLT and High Availability.............................................................................................................................................1043
VLT and IGMP Snooping.............................................................................................................................................1043
VLT and Stacking.........................................................................................................................................................1043
VLT IPv6........................................................................................................................................................................1043
VLT Port Delayed Restoration....................................................................................................................................1043
PIM-Sparse Mode Support on VLT...........................................................................................................................1044
VLT Routing .................................................................................................................................................................1045
Spanned VLANs..................................................................................................................................................... 1045
VLT Unicast Routing..............................................................................................................................................1045
VLT Multicast Routing...........................................................................................................................................1046
Non-VLT ARP Sync..................................................................................................................................................... 1047
RSTP Configuration.....................................................................................................................................................1047
Preventing Forwarding Loops in a VLT Domain.................................................................................................1048
Sample RSTP Configuration.................................................................................................................................1048
Configuring VLT........................................................................................................................................................... 1049
Configuring a VLT Interconnect...........................................................................................................................1049
Enabling VLT and Creating a VLT Domain..........................................................................................................1050
Configuring a VLT Backup Link.............................................................................................................................1051
Configuring a VLT Port Delay Period................................................................................................................... 1051
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