Concept Guide

Important Points to Remember..............................................................................................................................797
Setting up SNMP.....................................................................................................................................................797
Creating a Community.............................................................................................................................................797
Setting Up User-Based Security (SNMPv3)..............................................................................................................798
Enable SNMPv3 traps...................................................................................................................................................799
Reading Managed Object Values................................................................................................................................. 799
Displaying the Ports in a VLAN using SNMP............................................................................................................. 800
Fetching Dynamic MAC Entries using SNMP.............................................................................................................801
Deriving Interface Indices............................................................................................................................................. 802
Monitor Port-Channels................................................................................................................................................. 803
Entity MIBS.................................................................................................................................................................... 804
Example of Sample Entity MIBS outputs............................................................................................................. 804
SNMP Traps for Link Status.........................................................................................................................................804
Standard VLAN MIB......................................................................................................................................................805
Enhancements......................................................................................................................................................... 805
Fetching the Switchport Conguration and the Logical Interface Conguration .......................................... 805
MIB Support to Display the Available Memory Size on Flash.................................................................................. 806
Viewing the Available Flash Memory Size............................................................................................................ 806
MIB Support to Display the Software Core Files Generated by the System......................................................... 806
Viewing the Software Core Files Generated by the System.............................................................................. 807
SNMP Support for WRED Green/Yellow/Red Drop Counters................................................................................808
MIB Support to Display the Available Partitions on Flash.........................................................................................809
Viewing the Available Partitions on Flash............................................................................................................. 809
MIB Support to Display Egress Queue Statistics....................................................................................................... 810
MIB Support to Display Egress Queue Statistics....................................................................................................... 810
Viewing the ECMP Group Count Information...................................................................................................... 810
MIB Support for entAliasMappingTable ......................................................................................................................813
Viewing the entAliasMappingTable MIB.................................................................................................................813
MIB Support for LAG.....................................................................................................................................................814
Viewing the LAG MIB...............................................................................................................................................815
MIB Support to Display Unrecognized LLDP TLVs.................................................................................................... 815
MIB Support to Display Reserved Unrecognized LLDP TLVs.............................................................................815
MIB Support to Display Organizational Specic Unrecognized LLDP TLVs......................................................816
MIB support for Port Security...................................................................................................................................... 817
Global MIB objects for port security...................................................................................................................... 817
MIB support for interface level port security........................................................................................................818
MIB objects for conguring MAC addresses........................................................................................................ 819
MIB objects for conguring MAC addresses........................................................................................................820
Transceiver Monitoring..................................................................................................................................................820
Conguring SNMP context name............................................................................................................................... 822
53 Stacking.................................................................................................................................................. 823
Supported Modes..........................................................................................................................................................823
Conguring a Switch Stack..........................................................................................................................................823
Stacking Prerequisites.............................................................................................................................................823
Master Selection Criteria........................................................................................................................................ 824
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