Concept Guide

Enabling and Disabling sFlow on an Interface............................................................................................................909
Enabling sFlow Max-Header Size Extended.............................................................................................................. 909
sFlow Show Commands................................................................................................................................................910
Displaying Show sFlow Global.................................................................................................................................910
Displaying Show sFlow on an Interface................................................................................................................. 910
Displaying Show sFlow on a Stack-unit..................................................................................................................911
Conguring Specify Collectors......................................................................................................................................911
Changing the Polling Intervals....................................................................................................................................... 911
Back-O Mechanism.....................................................................................................................................................912
sFlow on LAG ports........................................................................................................................................................912
Enabling Extended sFlow...............................................................................................................................................912
Important Points to Remember.............................................................................................................................. 913
50 Simple Network Management Protocol (SNMP)......................................................................................915
Protocol Overview..........................................................................................................................................................916
Implementation Information.......................................................................................................................................... 916
SNMPv3 Compliance With FIPS..................................................................................................................................916
Conguration Task List for SNMP................................................................................................................................917
Related Conguration Tasks....................................................................................................................................917
Important Points to Remember.................................................................................................................................... 918
Set up SNMP..................................................................................................................................................................918
Creating a Community.............................................................................................................................................918
Setting Up User-Based Security (SNMPv3)........................................................................................................ 919
Enable SNMPv3 traps.............................................................................................................................................920
Reading Managed Object Values.................................................................................................................................920
Writing Managed Object Values................................................................................................................................... 921
Conguring Contact and Location Information using SNMP....................................................................................921
Subscribing to Managed Object Value Updates using SNMP................................................................................. 922
Enabling a Subset of SNMP Traps...............................................................................................................................923
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 923
Copy Conguration Files Using SNMP....................................................................................................................... 924
Copying a Conguration File.................................................................................................................................. 925
Copying Conguration Files via SNMP.................................................................................................................926
Copying the Startup-Cong Files to the Running-Cong.................................................................................. 927
Copying the Startup-Cong Files to the Server via FTP....................................................................................927
Copying the Startup-Cong Files to the Server via TFTP................................................................................. 927
Copy a Binary File to the Startup-Conguration................................................................................................. 928
Additional MIB Objects to View Copy Statistics.................................................................................................. 928
Obtaining a Value for MIB Objects........................................................................................................................ 929
MIB Support to Display Reason for Last System Reboot.........................................................................................930
Viewing the Reason for Last System Reboot Using SNMP...............................................................................930
MIB Support for Power Monitoring.............................................................................................................................930
MIB Support for 25G, 40G, 50G, 100G Optical Transceiver or DAC cable IDPROM user info............................ 931
MIB Support to Display the Available Memory Size on Flash...................................................................................932
Viewing the Available Flash Memory Size.............................................................................................................932
MIB Support to Display the Software Core Files Generated by the System......................................................... 933
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Contents