Administrator Guide

Enabling Spanning Tree Protocol Globally.......................................................................872
Adding an Interface to the Spanning Tree Group...........................................................875
Removing an Interface from the Spanning Tree Group................................................ 875
Modifying Global Parameters.............................................................................................. 875
Modifying Interface STP Parameters..................................................................................876
Enabling Port Fast...................................................................................................................877
Prevent Network Disruptions with BPDU Guard....................................................... 878
Global BPDU Filtering........................................................................................................... 880
Interface BPDU Filtering.................................................................................................880
Selecting STP Root.................................................................................................................881
STP Root Guard......................................................................................................................882
Root Guard Scenario.......................................................................................................882
Configuring Root Guard.................................................................................................883
SNMP Traps for Root Elections and Topology Changes...............................................884
Displaying STP Guard Configuration.................................................................................884
57 System Time and Date.......................................................................................................886
Supported Modes.................................................................................................................. 886
Setting the Time for the Software Clock.......................................................................... 886
Setting the Timezone............................................................................................................887
Setting Daylight Savings Time............................................................................................. 887
Setting Daylight Saving Time Once..............................................................................887
Setting Recurring Daylight Saving Time......................................................................888
Configuring the Offset-Threshold for NTP Audit Log................................................... 889
58 Tunneling ............................................................................................................................891
Configuring a Tunnel.............................................................................................................891
Configuring Tunnel keepalive............................................................................................. 892
Configuring the ip and ipv6 unnumbered........................................................................893
Configuring the Tunnel allow-remote..............................................................................893
Configuring the Tunnel Source Anylocal......................................................................... 894
59 Uplink Failure Detection (UFD)........................................................................................895
Supported Modes...................................................................................................................895
Feature Description............................................................................................................... 895
How Uplink Failure Detection Works................................................................................ 896
UFD and NIC Teaming..........................................................................................................898
Important Points to Remember..........................................................................................898
Uplink Failure Detection (SMUX mode).............................................................................899
Configuring Uplink Failure Detection (PMUX mode)..................................................... 899
Clearing a UFD-Disabled Interface (in PMUX mode)......................................................901
Displaying Uplink Failure Detection...................................................................................903
Configuration Guide
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