Users Guide

MIB Support to Display the FCS Error Ratio Details.................................................................................................830
Viewing the FCS Error Ratio Details......................................................................................................................831
MIB Support for LAG.................................................................................................................................................... 832
Viewing the LAG MIB..............................................................................................................................................833
MIB Support for PFC Storm Control.......................................................................................................................... 833
MIB Support for PFC no-drop-priority L2Dlf Drop................................................................................................... 835
MIB Support for Monitoring the overall buffer usage for lossy and lossless traffic per XPE..............................836
Manage VLANs using SNMP....................................................................................................................................... 837
Creating a VLAN...................................................................................................................................................... 837
Assigning a VLAN Alias............................................................................................................................................837
Displaying the Ports in a VLAN.............................................................................................................................. 837
Add Tagged and Untagged Ports to a VLAN.......................................................................................................838
Managing Overload on Startup....................................................................................................................................838
Enabling and Disabling a Port using SNMP................................................................................................................839
Fetch Dynamic MAC Entries using SNMP.................................................................................................................839
Deriving Interface Indices..............................................................................................................................................841
Monitor Port-Channels..................................................................................................................................................841
Troubleshooting SNMP Operation..............................................................................................................................842
Transceiver Monitoring.................................................................................................................................................843
48 Storm Control..........................................................................................................................................844
Configure Storm Control.............................................................................................................................................. 844
Configuring Storm Control from INTERFACE Mode..........................................................................................844
Configuring Storm Control from CONFIGURATION Mode............................................................................... 845
PFC Storm......................................................................................................................................................................845
Detect PFC Storm...................................................................................................................................................846
Restore Queue Drop State.....................................................................................................................................846
View Details of Storm Control PFC.......................................................................................................................846
49 Spanning Tree Protocol (STP)................................................................................................................ 848
Protocol Overview.........................................................................................................................................................848
Configure Spanning Tree..............................................................................................................................................849
Related Configuration Tasks..................................................................................................................................849
Important Points to Remember...................................................................................................................................849
Configuring Interfaces for Layer 2 Mode...................................................................................................................850
Enabling Spanning Tree Protocol Globally.................................................................................................................. 851
Adding an Interface to the Spanning Tree Group..................................................................................................... 853
Modifying Global Parameters.......................................................................................................................................853
Modifying Interface STP Parameters......................................................................................................................... 854
Enabling PortFast.......................................................................................................................................................... 854
Prevent Network Disruptions with BPDU Guard................................................................................................855
Selecting STP Root....................................................................................................................................................... 857
STP Root Guard.............................................................................................................................................................857
Root Guard Scenario...............................................................................................................................................857
Configuring Root Guard..........................................................................................................................................858
Enabling SNMP Traps for Root Elections and Topology Changes......................................................................... 859
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