Administrator Guide

Configuration Task List .............................................................................................................. 814
Setting the Time and Date for the Switch Software Clock........................................................814
Setting the Timezone..................................................................................................................814
Set Daylight Saving Time.............................................................................................................815
Setting Daylight Saving Time Once............................................................................................ 815
Setting Recurring Daylight Saving Time.....................................................................................816
49 Tunneling ........................................................................................................818
Configuring a Tunnel........................................................................................................................818
Configuring Tunnel Keepalive Settings............................................................................................ 819
Configuring a Tunnel Interface........................................................................................................820
Configuring Tunnel allow-remote Decapsulation..........................................................................820
Configuring Tunnel source anylocal Decapsulation....................................................................... 821
Guidelines for Configuring Multipoint Receive-Only Tunnels........................................................821
Multipoint Receive-Only Type and IP Unnumbered Interfaces for Tunnels..................................822
50 Upgrade Procedures..................................................................................... 823
Get Help with Upgrades................................................................................................................... 823
51 Virtual LANs (VLANs)......................................................................................824
Default VLAN.....................................................................................................................................824
Port-Based VLANs.............................................................................................................................825
VLANs and Port Tagging...................................................................................................................826
Configuration Task List.....................................................................................................................826
Creating a Port-Based VLAN...................................................................................................... 826
Assigning Interfaces to a VLAN...................................................................................................827
Moving Untagged Interfaces...................................................................................................... 829
Assigning an IP Address to a VLAN............................................................................................ 830
Configuring Native VLANs................................................................................................................830
Enabling Null VLAN as the Default VLAN......................................................................................... 831
52 Virtual Link Trunking (VLT)...........................................................................832
Overview........................................................................................................................................... 832
VLT on Core Switches.................................................................................................................833
Enhanced VLT............................................................................................................................. 833
VLT Terminology.............................................................................................................................. 834
Configure Virtual Link Trunking....................................................................................................... 835
Important Points to Remember................................................................................................. 835
Configuration Notes................................................................................................................... 836
Primary and Secondary VLT Peers............................................................................................. 839
RSTP and VLT..............................................................................................................................840
VLT Bandwidth Monitoring........................................................................................................ 840