API Guide

Table Of Contents
Adding an Interface to the Spanning Tree Group.........................................................................................................906
Modifying Global Parameters.......................................................................................................................................... 906
Modifying Interface STP Parameters............................................................................................................................. 907
Enabling PortFast..............................................................................................................................................................907
Preventing Network Disruptions with BPDU Guard.....................................................................................................908
Selecting STP Root........................................................................................................................................................... 910
STP Root Guard.................................................................................................................................................................910
Root Guard Scenario................................................................................................................................................... 910
Configuring Root Guard............................................................................................................................................... 911
Enabling SNMP Traps for Root Elections and Topology Changes..............................................................................912
STP Loop Guard.................................................................................................................................................................912
Configuring Loop Guard.............................................................................................................................................. 913
Displaying STP Guard Configuration............................................................................................................................... 914
56 SupportAssist.........................................................................................................................915
Configuring SupportAssist Using a Configuration Wizard............................................................................................916
Configuring SupportAssist Manually............................................................................................................................... 916
Configuring SupportAssist Activity..................................................................................................................................918
Configuring SupportAssist Company.............................................................................................................................. 919
Configuring SupportAssist Person...................................................................................................................................919
Configuring SupportAssist Server.................................................................................................................................. 920
Viewing SupportAssist Configuration..............................................................................................................................921
57 System Time and Date.............................................................................................................923
Network Time Protocol.................................................................................................................................................... 923
Protocol Overview...................................................................................................................................................... 924
Configure the Network Time Protocol..................................................................................................................... 924
Enabling NTP............................................................................................................................................................... 924
Configuring NTP Broadcasts.....................................................................................................................................925
Disabling NTP on an Interface................................................................................................................................... 925
Configuring a Source IP Address for NTP Packets................................................................................................ 925
Configuring NTP Authentication............................................................................................................................... 926
Configuring NTP control key password....................................................................................................................928
Time and Date....................................................................................................................................................................928
Configuration Task List ..............................................................................................................................................928
Setting the Time and Date for the Switch Software Clock...................................................................................928
Setting the Timezone................................................................................................................................................. 929
Set Daylight Saving Time........................................................................................................................................... 929
Setting Daylight Saving Time Once.......................................................................................................................... 929
Setting Recurring Daylight Saving Time...................................................................................................................930
Configuring a Custom-defined Period for NTP time Synchronization..................................................................931
58 Tunneling .............................................................................................................................. 932
Configuring a Tunnel.........................................................................................................................................................932
Configuring Tunnel Keepalive Settings...........................................................................................................................933
Configuring a Tunnel Interface........................................................................................................................................ 933
Configuring Tunnel allow-remote Decapsulation.......................................................................................................... 933
Configuring Tunnel source anylocal Decapsulation.......................................................................................................934
Multipoint Receive-Only Tunnels.................................................................................................................................... 934
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