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MIB Support for entAliasMappingTable ......................................................................................................................974
Viewing the entAliasMappingTable MIB................................................................................................................ 974
SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................ 974
MIB Support for LAG.................................................................................................................................................... 975
Viewing the LAG MIB..............................................................................................................................................976
MIB Support to Display Unrecognized LLDP TLVs.................................................................................................... 977
MIB Support to Display Reserved Unrecognized LLDP TLVs.............................................................................977
MIB Support to Display Organizational Specic Unrecognized LLDP TLVs..................................................... 978
Manage VLANs using SNMP....................................................................................................................................... 979
Creating a VLAN...................................................................................................................................................... 979
Assigning a VLAN Alias............................................................................................................................................979
Displaying the Ports in a VLAN.............................................................................................................................. 979
Add Tagged and Untagged Ports to a VLAN........................................................................................................979
Managing Overload on Startup....................................................................................................................................980
Enabling and Disabling a Port using SNMP.................................................................................................................981
Fetch Dynamic MAC Entries using SNMP..................................................................................................................981
Deriving Interface Indices............................................................................................................................................. 982
Monitoring BGP sessions via SNMP...........................................................................................................................984
Monitor Port-Channels................................................................................................................................................. 985
Troubleshooting SNMP Operation...............................................................................................................................986
Transceiver Monitoring..................................................................................................................................................987
53 Storm Control..........................................................................................................................................988
Congure Storm Control...............................................................................................................................................988
Conguring Storm Control from INTERFACE Mode...........................................................................................988
Conguring Storm Control from CONFIGURATION Mode................................................................................989
54 Spanning Tree Protocol (STP)................................................................................................................. 990
Protocol Overview.........................................................................................................................................................990
Congure Spanning Tree.............................................................................................................................................. 990
Related Conguration Tasks....................................................................................................................................991
Important Points to Remember.................................................................................................................................... 991
Conguring Interfaces for Layer 2 Mode....................................................................................................................992
Enabling Spanning Tree Protocol Globally...................................................................................................................993
Adding an Interface to the Spanning Tree Group...................................................................................................... 995
Modifying Global Parameters.......................................................................................................................................995
Modifying Interface STP Parameters..........................................................................................................................996
Enabling PortFast.......................................................................................................................................................... 996
Preventing Network Disruptions with BPDU Guard..................................................................................................997
Selecting STP Root....................................................................................................................................................... 999
STP Root Guard.............................................................................................................................................................999
Root Guard Scenario...............................................................................................................................................999
Conguring Root Guard........................................................................................................................................ 1000
Enabling SNMP Traps for Root Elections and Topology Changes..........................................................................1001
STP Loop Guard............................................................................................................................................................1001
Conguring Loop Guard........................................................................................................................................ 1002
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