Administrator Guide
Important Points to Remember..............................................................................................................................749
Setting up SNMP.....................................................................................................................................................749
Creating a Community.............................................................................................................................................749
Setting Up User-Based Security (SNMPv3)..............................................................................................................750
Reading Managed Object Values..................................................................................................................................751
Displaying the Ports in a VLAN using SNMP............................................................................................................. 752
Fetching Dynamic MAC Entries using SNMP............................................................................................................ 753
Deriving Interface Indices............................................................................................................................................. 754
Monitor Port-Channels................................................................................................................................................. 755
Entity MIBS.................................................................................................................................................................... 756
Example of Sample Entity MIBS outputs..............................................................................................................756
SNMP Traps for Link Status.........................................................................................................................................756
Standard VLAN MIB......................................................................................................................................................756
Enhancements..........................................................................................................................................................757
Fetching the Switchport Conguration and the Logical Interface Conguration ........................................... 757
MIB Support to Display the Available Memory Size on Flash...................................................................................758
Viewing the Available Flash Memory Size.............................................................................................................758
MIB Support to Display the Software Core Files Generated by the System..........................................................758
Viewing the Software Core Files Generated by the System.............................................................................. 759
SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................759
MIB Support to Display the Available Partitions on Flash.........................................................................................760
Viewing the Available Partitions on Flash.............................................................................................................. 761
MIB Support to Display Egress Queue Statistics.......................................................................................................762
MIB Support to Display Egress Queue Statistics.......................................................................................................762
Viewing the ECMP Group Count Information......................................................................................................762
MIB Support for entAliasMappingTable ..................................................................................................................... 765
Viewing the entAliasMappingTable MIB................................................................................................................765
MIB Support for LAG.................................................................................................................................................... 765
Viewing the LAG MIB.............................................................................................................................................. 767
Transceiver Monitoring..................................................................................................................................................767
53 Stacking.................................................................................................................................................. 768
Supported Modes.......................................................................................................................................................... 768
Conguring a Switch Stack.......................................................................................................................................... 768
Stacking Prerequisites.............................................................................................................................................768
Master Selection Criteria........................................................................................................................................ 769
Conguring Priority and stack-group.................................................................................................................... 769
Cabling the Switch Stack........................................................................................................................................770
Accessing the CLI.................................................................................................................................................... 770
Conguring and Bringing Up a Stack.................................................................................................................... 770
Adding a Stack Unit..................................................................................................................................................771
Resetting a Unit on a Stack.................................................................................................................................... 772
Removing an Aggregator from a Stack................................................................................................................. 772
Merging Two Operational Stacks........................................................................................................................... 772
Verifying a Stack Conguration....................................................................................................................................773
Using Show Commands..........................................................................................................................................773
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