Service Manual

Enabling Spanning Tree Protocol Globally...................................................................................................... 880
Adding an Interface to the Spanning Tree Group...........................................................................................882
Modifying Global Parameters..............................................................................................................................882
Modifying Interface STP Parameters..................................................................................................................883
Enabling PortFast................................................................................................................................................... 884
Prevent Network Disruptions with BPDU Guard.......................................................................................885
Selecting STP Root.................................................................................................................................................887
STP Root Guard...................................................................................................................................................... 887
Root Guard Scenario....................................................................................................................................... 887
Configuring Root Guard.................................................................................................................................888
Enabling SNMP Traps for Root Elections and Topology Changes..............................................................889
Configuring Spanning Trees as Hitless..............................................................................................................889
STP Loop Guard..................................................................................................................................................... 889
Configuring Loop Guard................................................................................................................................ 890
Displaying STP Guard Configuration..................................................................................................................891
55 SupportAssist.....................................................................................................................................................892
Configuring SupportAssist Using a Configuration Wizard............................................................................ 893
Configuring SupportAssist Manually..................................................................................................................893
Configuring SupportAssist Activity..................................................................................................................... 895
Configuring SupportAssist Company................................................................................................................ 896
Configuring SupportAssist Person..................................................................................................................... 896
Configuring SupportAssist Server....................................................................................................................... 897
Viewing SupportAssist Configuration................................................................................................................898
56 System Time and Date.....................................................................................................................................900
Network Time Protocol........................................................................................................................................900
Protocol Overview........................................................................................................................................... 901
Configure the Network Time Protocol....................................................................................................... 902
Enabling NTP.....................................................................................................................................................902
Configuring NTP Broadcasts......................................................................................................................... 903
Disabling NTP on an Interface.......................................................................................................................903
Configuring a Source IP Address for NTP Packets................................................................................... 903
Configuring NTP Authentication.................................................................................................................. 904
Configuring a Custom-defined Period for NTP time Synchronization................................................906
Dell Networking OS Time and Date...................................................................................................................907
Configuration Task List .................................................................................................................................. 907
Setting the Time and Date for the Switch Software Clock..................................................................... 907
Setting the Timezone...................................................................................................................................... 907
Set Daylight Saving Time................................................................................................................................908
Setting Daylight Saving Time Once..............................................................................................................908
Setting Recurring Daylight Saving Time......................................................................................................908
57 Tunneling............................................................................................................................................................ 911
Configuring a Tunnel............................................................................................................................................. 911
Configuring Tunnel Keepalive Settings..............................................................................................................912
Configuring a Tunnel Interface........................................................................................................................... 912
9.10(0.1)
28