Deployment Guide

Table Of Contents
Selecting STP Root........................................................................................................................................................ 949
STP Root Guard.............................................................................................................................................................. 949
Root Guard Scenario................................................................................................................................................949
Configuring Root Guard.......................................................................................................................................... 950
Enabling SNMP Traps for Root Elections and Topology Changes...................................................................... 951
STP Loop Guard...............................................................................................................................................................951
Configuring Loop Guard.......................................................................................................................................... 952
Displaying STP Guard Configuration..........................................................................................................................953
Chapter 56: SupportAssist........................................................................................................ 954
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 955
Configuring SupportAssist Manually.......................................................................................................................... 955
Configuring SupportAssist Activity.............................................................................................................................957
Configuring SupportAssist Company......................................................................................................................... 958
Configuring SupportAssist Person............................................................................................................................. 959
Configuring SupportAssist Server.............................................................................................................................. 959
Viewing SupportAssist Configuration........................................................................................................................ 960
Chapter 57: System Time and Date............................................................................................962
Network Time Protocol................................................................................................................................................. 962
Protocol Overview.................................................................................................................................................... 963
Configure the Network Time Protocol.................................................................................................................963
Enabling NTP..............................................................................................................................................................963
Configuring NTP Broadcasts..................................................................................................................................964
Disabling NTP on an Interface............................................................................................................................... 964
Configuring a Source IP Address for NTP Packets.......................................................................................... 964
Configuring NTP Authentication........................................................................................................................... 965
Configuring NTP control key password...............................................................................................................967
Time and Date..................................................................................................................................................................967
Configuration Task List ...........................................................................................................................................967
Setting the Time and Date for the Switch Software Clock............................................................................967
Setting the Timezone...............................................................................................................................................968
Set Daylight Saving Time........................................................................................................................................ 968
Setting Daylight Saving Time Once......................................................................................................................968
Setting Recurring Daylight Saving Time..............................................................................................................969
Configuring a Custom-defined Period for NTP time Synchronization......................................................... 970
Chapter 58: Tunneling ...............................................................................................................971
Configuring a Tunnel....................................................................................................................................................... 971
Configuring Tunnel Keepalive Settings......................................................................................................................972
Configuring a Tunnel Interface.................................................................................................................................... 972
Configuring Tunnel allow-remote Decapsulation.....................................................................................................973
Configuring Tunnel source anylocal Decapsulation.................................................................................................973
Multipoint Receive-Only Tunnels................................................................................................................................ 973
Guidelines for Configuring Multipoint Receive-Only Tunnels......................................................................... 974
Chapter 59: Upgrade Procedures...............................................................................................975
Chapter 60: Uplink Failure Detection (UFD)...............................................................................976
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Contents