Concept Guide

Obtaining a Value for MIB Objects......................................................................................................................... 912
MIB Support for Power Monitoring............................................................................................................................. 913
MIB Support to Display the Available Memory Size on Flash................................................................................... 914
Viewing the Available Flash Memory Size............................................................................................................. 914
MIB Support to Display the Software Core Files Generated by the System.......................................................... 914
Viewing the Software Core Files Generated by the System...............................................................................915
SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................ 915
MIB Support to Display the Available Partitions on Flash..........................................................................................916
Viewing the Available Partitions on Flash.............................................................................................................. 917
MIB Support to Display Egress Queue Statistics....................................................................................................... 918
MIB Support to ECMP Group Count...........................................................................................................................918
Viewing the ECMP Group Count Information...................................................................................................... 918
MIB Support for entAliasMappingTable ......................................................................................................................921
Viewing the entAliasMappingTable MIB.................................................................................................................921
MIB Support for LAG.....................................................................................................................................................921
Viewing the LAG MIB..............................................................................................................................................923
MIB support for Port Security......................................................................................................................................923
Global MIB objects for port security..................................................................................................................... 923
MIB support for interface level port security....................................................................................................... 924
MIB objects for conguring MAC addresses....................................................................................................... 925
MIB objects for conguring MAC addresses........................................................................................................926
Manage VLANs using SNMP....................................................................................................................................... 926
Creating a VLAN...................................................................................................................................................... 926
Assigning a VLAN Alias........................................................................................................................................... 926
Displaying the Ports in a VLAN.............................................................................................................................. 927
Add Tagged and Untagged Ports to a VLAN....................................................................................................... 928
Managing Overload on Startup....................................................................................................................................929
Enabling and Disabling a Port using SNMP................................................................................................................929
Fetch Dynamic MAC Entries using SNMP................................................................................................................. 930
Example of Deriving the Interface Index Number...................................................................................................... 931
MIB Objects for Viewing the System Image on Flash Partitions........................................................................931
Monitoring BGP sessions via SNMP............................................................................................................................931
Monitor Port-Channels................................................................................................................................................. 933
Troubleshooting SNMP Operation...............................................................................................................................934
Transceiver Monitoring................................................................................................................................................. 935
51 Stacking................................................................................................................................................... 937
Stacking Overview.........................................................................................................................................................937
Stack Management Roles.......................................................................................................................................937
Stack Master Election.............................................................................................................................................938
Virtual IP................................................................................................................................................................... 939
Failover Roles........................................................................................................................................................... 939
MAC Addressing on Stacks....................................................................................................................................939
Stacking LAG........................................................................................................................................................... 940
Supported Stacking Topologies.............................................................................................................................. 941
High Availability on Stacks.......................................................................................................................................941
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