Concept Guide

Changing the Polling Intervals......................................................................................................................................922
Back-O Mechanism.................................................................................................................................................... 923
sFlow on LAG ports.......................................................................................................................................................923
Enabling Extended sFlow..............................................................................................................................................923
Important Points to Remember..............................................................................................................................924
52 Simple Network Management Protocol (SNMP)..................................................................................... 925
Protocol Overview.........................................................................................................................................................926
Implementation Information..........................................................................................................................................926
SNMPv3 Compliance With FIPS................................................................................................................................. 926
Conguration Task List for SNMP............................................................................................................................... 927
Related Conguration Tasks................................................................................................................................... 927
Important Points to Remember................................................................................................................................... 928
Set up SNMP................................................................................................................................................................. 928
Creating a Community............................................................................................................................................ 928
Setting Up User-Based Security (SNMPv3)........................................................................................................928
Reading Managed Object Values.................................................................................................................................930
Writing Managed Object Values.................................................................................................................................. 930
Conguring Contact and Location Information using SNMP....................................................................................931
Subscribing to Managed Object Value Updates using SNMP.................................................................................. 931
Enabling a Subset of SNMP Traps.............................................................................................................................. 932
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 934
Copy Conguration Files Using SNMP....................................................................................................................... 935
Copying a Conguration File...................................................................................................................................937
Copying Conguration Files via SNMP................................................................................................................. 937
Copying the Startup-Cong Files to the Running-Cong.................................................................................. 938
Copying the Startup-Cong Files to the Server via FTP....................................................................................938
Copying the Startup-Cong Files to the Server via TFTP................................................................................. 939
Copy a Binary File to the Startup-Conguration................................................................................................. 939
Additional MIB Objects to View Copy Statistics..................................................................................................939
Obtaining a Value for MIB Objects........................................................................................................................ 940
MIB Support to Display Reason for Last System Reboot......................................................................................... 941
Viewing the Reason for Last System Reboot Using SNMP............................................................................... 941
MIB Support for Power Monitoring............................................................................................................................. 941
MIB Support to Display the Available Memory Size on Flash...................................................................................942
Viewing the Available Flash Memory Size............................................................................................................ 942
MIB Support to Display the Software Core Files Generated by the System......................................................... 942
Viewing the Software Core Files Generated by the System..............................................................................943
MIB Support to Display the Available Partitions on Flash.........................................................................................944
Viewing the Available Partitions on Flash............................................................................................................. 944
MIB Support to Display Egress Queue Statistics.......................................................................................................945
MIB Support to ECMP Group Count.......................................................................................................................... 945
Viewing the ECMP Group Count Information......................................................................................................945
MIB Support for entAliasMappingTable ..................................................................................................................... 948
Viewing the entAliasMappingTable MIB................................................................................................................948
MIB Support for LAG.................................................................................................................................................... 949
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Contents