Viewing the Software Core Files Generated by the System......................................................856
Manage VLANs using SNMP............................................................................................................. 857
Creating a VLAN.......................................................................................................................... 857
Assigning a VLAN Alias................................................................................................................ 857
Displaying the Ports in a VLAN...................................................................................................858
Add Tagged and Untagged Ports to a VLAN..............................................................................858
Managing Overload on Startup........................................................................................................859
Enabling and Disabling a Port using SNMP......................................................................................859
Fetch Dynamic MAC Entries using SNMP........................................................................................860
Deriving Interface Indices.................................................................................................................861
Monitor Port-Channels.................................................................................................................... 862
Troubleshooting SNMP Operation.................................................................................................. 864
47 Storm Control.................................................................................................865
Configure Storm Control................................................................................................................. 865
Configuring Storm Control from INTERFACE Mode.................................................................865
Configuring Storm Control from CONFIGURATION Mode......................................................866
48 Spanning Tree Protocol (STP)..................................................................... 867
Protocol Overview............................................................................................................................867
Configure Spanning Tree................................................................................................................. 867
Related Configuration Tasks.......................................................................................................867
Important Points to Remember.......................................................................................................868
Configuring Interfaces for Layer 2 Mode........................................................................................ 868
Enabling Spanning Tree Protocol Globally......................................................................................869
Adding an Interface to the Spanning Tree Group............................................................................871
Modifying Global Parameters........................................................................................................... 872
Modifying Interface STP Parameters................................................................................................873
Enabling PortFast.............................................................................................................................. 873
Prevent Network Disruptions with BPDU Guard....................................................................... 874
Selecting STP Root........................................................................................................................... 876
STP Root Guard.................................................................................................................................877
Root Guard Scenario...................................................................................................................877
Configuring Root Guard............................................................................................................. 878
Enabling SNMP Traps for Root Elections and Topology Changes................................................. 879
Configuring Spanning Trees as Hitless............................................................................................ 879
STP Loop Guard................................................................................................................................880
Configuring Loop Guard.............................................................................................................881
Displaying STP Guard Configuration............................................................................................... 882
49 SupportAssist..................................................................................................883
Configuring SupportAssist Using a Configuration Wizard..............................................................884
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