Deployment Guide
52 Simple Network Management Protocol (SNMP)...................................................................................... 751
Supported Modes...........................................................................................................................................................751
Implementation Information..........................................................................................................................................752
Conguring the Simple Network Management Protocol..........................................................................................752
Important Points to Remember..............................................................................................................................752
Setting up SNMP.....................................................................................................................................................752
Creating a Community............................................................................................................................................ 752
Setting Up User-Based Security (SNMPv3)..............................................................................................................753
Reading Managed Object Values................................................................................................................................. 754
Displaying the Ports in a VLAN using SNMP............................................................................................................. 755
Fetching Dynamic MAC Entries using SNMP............................................................................................................756
Deriving Interface Indices..............................................................................................................................................757
Monitor Port-Channels................................................................................................................................................. 758
Entity MIBS.................................................................................................................................................................... 759
Example of Sample Entity MIBS outputs..............................................................................................................759
SNMP Traps for Link Status.........................................................................................................................................759
Standard VLAN MIB......................................................................................................................................................759
Enhancements......................................................................................................................................................... 760
Fetching the Switchport Conguration and the Logical Interface Conguration ...........................................760
MIB Support to Display the Available Memory Size on Flash....................................................................................761
Viewing the Available Flash Memory Size............................................................................................................. 761
MIB Support to Display the Software Core Files Generated by the System.......................................................... 761
Viewing the Software Core Files Generated by the System.............................................................................. 762
SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................ 762
MIB Support to Display the Available Partitions on Flash......................................................................................... 763
Viewing the Available Partitions on Flash..............................................................................................................764
MIB Support to Display Egress Queue Statistics.......................................................................................................765
MIB Support to Display Egress Queue Statistics.......................................................................................................765
Viewing the ECMP Group Count Information......................................................................................................765
MIB Support for entAliasMappingTable ..................................................................................................................... 768
Viewing the entAliasMappingTable MIB................................................................................................................768
MIB Support for LAG.................................................................................................................................................... 768
Viewing the LAG MIB.............................................................................................................................................. 770
Transceiver Monitoring..................................................................................................................................................770
53 Stacking................................................................................................................................................... 771
Supported Modes...........................................................................................................................................................771
Conguring a Switch Stack...........................................................................................................................................771
Stacking Prerequisites..............................................................................................................................................771
Master Selection Criteria.........................................................................................................................................772
Conguring Priority and stack-group.................................................................................................................... 772
Cabling the Switch Stack........................................................................................................................................773
Accessing the CLI.................................................................................................................................................... 773
Conguring and Bringing Up a Stack.....................................................................................................................773
Adding a Stack Unit................................................................................................................................................. 774
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