Concept Guide

Table Of Contents
Setting up SNMP.....................................................................................................................................................784
Creating a Community.............................................................................................................................................784
Setting Up User-Based Security (SNMPv3)..............................................................................................................785
Reading Managed Object Values................................................................................................................................. 786
Displaying the Ports in a VLAN using SNMP..............................................................................................................787
Fetching Dynamic MAC Entries using SNMP............................................................................................................ 788
Deriving Interface Indices..............................................................................................................................................789
Monitor Port-Channels................................................................................................................................................. 790
Entity MIBS..................................................................................................................................................................... 791
Example of Sample Entity MIBS outputs.............................................................................................................. 791
SNMP Traps for Link Status..........................................................................................................................................791
Standard VLAN MIB.......................................................................................................................................................791
Enhancements..........................................................................................................................................................792
Fetching the Switchport Conguration and the Logical Interface Conguration ...........................................792
MIB Support to Display the Available Memory Size on Flash...................................................................................793
Viewing the Available Flash Memory Size.............................................................................................................793
MIB Support to Display the Software Core Files Generated by the System..........................................................793
Viewing the Software Core Files Generated by the System.............................................................................. 794
SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................ 794
MIB Support to Display the Available Partitions on Flash.........................................................................................795
Viewing the Available Partitions on Flash............................................................................................................. 796
MIB Support to Display Egress Queue Statistics....................................................................................................... 797
MIB Support to Display Egress Queue Statistics....................................................................................................... 797
Viewing the ECMP Group Count Information...................................................................................................... 797
MIB Support for entAliasMappingTable .....................................................................................................................800
Viewing the entAliasMappingTable MIB................................................................................................................800
MIB Support for LAG....................................................................................................................................................800
Viewing the LAG MIB..............................................................................................................................................802
MIB Support to Display Unrecognized LLDP TLVs....................................................................................................802
MIB Support to Display Reserved Unrecognized LLDP TLVs............................................................................ 802
MIB Support to Display Organizational Specic Unrecognized LLDP TLVs.....................................................803
MIB support for Port Security..................................................................................................................................... 804
Global MIB objects for port security..................................................................................................................... 804
MIB support for interface level port security....................................................................................................... 804
MIB objects for conguring MAC addresses....................................................................................................... 806
MIB objects for conguring MAC addresses....................................................................................................... 806
Transceiver Monitoring..................................................................................................................................................807
Conguring SNMP context name............................................................................................................................... 808
53 Stacking.................................................................................................................................................. 809
Supported Modes..........................................................................................................................................................809
Conguring a Switch Stack..........................................................................................................................................809
Stacking Prerequisites.............................................................................................................................................809
Master Selection Criteria.........................................................................................................................................810
Conguring Priority and stack-group.....................................................................................................................810
Cabling the Switch Stack.........................................................................................................................................811
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