Setup Guide

Adding an Interface to the Spanning Tree Group.....................................................................................................1029
Modifying Global Parameters......................................................................................................................................1029
Modifying Interface STP Parameters........................................................................................................................ 1030
Enabling PortFast.........................................................................................................................................................1030
Preventing Network Disruptions with BPDU Guard.................................................................................................1031
Selecting STP Root......................................................................................................................................................1033
STP Root Guard........................................................................................................................................................... 1033
Root Guard Scenario..............................................................................................................................................1033
Conguring Root Guard.........................................................................................................................................1034
Enabling SNMP Traps for Root Elections and Topology Changes......................................................................... 1035
STP Loop Guard...........................................................................................................................................................1035
Conguring Loop Guard........................................................................................................................................ 1036
Displaying STP Guard Conguration.......................................................................................................................... 1037
56 SupportAssist.........................................................................................................................................1038
Conguring SupportAssist Using a Conguration Wizard...................................................................................... 1039
Conguring SupportAssist Manually..........................................................................................................................1039
Conguring SupportAssist Activity.............................................................................................................................1041
Conguring SupportAssist Company........................................................................................................................ 1042
Conguring SupportAssist Person.............................................................................................................................1043
Conguring SupportAssist Server............................................................................................................................. 1043
Viewing SupportAssist Conguration........................................................................................................................1044
57 System Time and Date............................................................................................................................1046
Network Time Protocol............................................................................................................................................... 1046
Protocol Overview..................................................................................................................................................1047
Congure the Network Time Protocol.................................................................................................................1047
Enabling NTP..........................................................................................................................................................1048
Conguring NTP Broadcasts................................................................................................................................1048
Disabling NTP on an Interface..............................................................................................................................1048
Conguring a Source IP Address for NTP Packets........................................................................................... 1049
Conguring NTP Authentication..........................................................................................................................1049
Conguring NTP control key password............................................................................................................... 1051
Time and Date.............................................................................................................................................................. 1052
Conguration Task List .........................................................................................................................................1052
Setting the Time and Date for the Switch Software Clock..............................................................................1052
Setting the Timezone............................................................................................................................................ 1052
Set Daylight Saving Time...................................................................................................................................... 1053
Setting Daylight Saving Time Once..................................................................................................................... 1053
Setting Recurring Daylight Saving Time..............................................................................................................1054
Conguring a Custom-dened Period for NTP time Synchronization............................................................ 1055
58 Tunneling ...............................................................................................................................................1056
Conguring a Tunnel....................................................................................................................................................1056
Conguring Tunnel Keepalive Settings...................................................................................................................... 1057
Conguring a Tunnel Interface....................................................................................................................................1057
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