Concept Guide

52 sFlow....................................................................................................................................................... 974
Overview.........................................................................................................................................................................974
Implementation Information..........................................................................................................................................974
Important Points to Remember..............................................................................................................................975
Enabling and Disabling sFlow........................................................................................................................................975
Enabling and Disabling sFlow on an Interface............................................................................................................ 975
sFlow Show Commands............................................................................................................................................... 975
Displaying Show sFlow Global................................................................................................................................ 976
Displaying Show sFlow on an Interface.................................................................................................................976
Displaying Show sFlow on a Line Card.................................................................................................................. 977
Conguring Specify Collectors.....................................................................................................................................977
Changing the Polling Intervals...................................................................................................................................... 977
Back-O Mechanism.....................................................................................................................................................978
sFlow on LAG ports....................................................................................................................................................... 978
Enabling Extended sFlow.............................................................................................................................................. 978
Important Points to Remember..............................................................................................................................979
53 Simple Network Management Protocol (SNMP)..................................................................................... 980
Protocol Overview..........................................................................................................................................................981
Implementation Information.......................................................................................................................................... 981
Conguration Task List for SNMP................................................................................................................................981
Related Conguration Tasks....................................................................................................................................981
Important Points to Remember.................................................................................................................................... 981
Set up SNMP................................................................................................................................................................. 982
Creating a Community............................................................................................................................................ 982
Setting Up User-Based Security (SNMPv3)........................................................................................................982
Enable SNMPv3 traps.............................................................................................................................................983
Reading Managed Object Values.................................................................................................................................984
Writing Managed Object Values.................................................................................................................................. 984
Conguring Contact and Location Information using SNMP...................................................................................985
Conguring the CPU Utilization for SNMP Traps..................................................................................................... 986
Conguring Threshold Memory Utilization for SNMP Traps....................................................................................987
Subscribing to Managed Object Value Updates using SNMP................................................................................. 988
Enabling a Subset of SNMP Traps.............................................................................................................................. 989
Enabling an SNMP Agent to Notify Syslog Server Failure........................................................................................991
Copy Conguration Files Using SNMP....................................................................................................................... 992
Copying a Conguration File.................................................................................................................................. 994
Copying Conguration Files via SNMP.................................................................................................................994
Copying the Startup-Cong Files to the Running-Cong..................................................................................995
Copying the Startup-Cong Files to the Server via FTP................................................................................... 995
Copying the Startup-Cong Files to the Server via TFTP.................................................................................996
Copy a Binary File to the Startup-Conguration................................................................................................. 996
Additional MIB Objects to View Copy Statistics.................................................................................................. 997
Obtaining a Value for MIB Objects.........................................................................................................................997
MIB Support to Display Reason for Last System Reboot.........................................................................................998
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