White Papers

Enabling and Disabling sFlow....................................................................................................................................... 946
Enabling and Disabling sFlow on an Interface............................................................................................................ 946
sFlow Show Commands............................................................................................................................................... 946
Displaying Show sFlow Global................................................................................................................................ 947
Displaying Show sFlow on an Interface.................................................................................................................947
Displaying Show sFlow on a Line Card..................................................................................................................948
Conguring Specify Collectors.....................................................................................................................................948
Changing the Polling Intervals......................................................................................................................................948
Back-O Mechanism.................................................................................................................................................... 949
sFlow on LAG ports.......................................................................................................................................................949
Enabling Extended sFlow..............................................................................................................................................949
Important Points to Remember............................................................................................................................. 950
52 Simple Network Management Protocol (SNMP)...................................................................................... 951
Protocol Overview.........................................................................................................................................................952
Implementation Information..........................................................................................................................................952
Conguration Task List for SNMP...............................................................................................................................952
Related Conguration Tasks...................................................................................................................................952
Important Points to Remember................................................................................................................................... 952
Set up SNMP.................................................................................................................................................................953
Creating a Community............................................................................................................................................ 953
Setting Up User-Based Security (SNMPv3)....................................................................................................... 953
Reading Managed Object Values.................................................................................................................................954
Writing Managed Object Values.................................................................................................................................. 955
Conguring Contact and Location Information using SNMP...................................................................................955
Conguring the CPU Utilization for SNMP Traps..................................................................................................... 956
Conguring Threshold Memory Utilization for SNMP Traps....................................................................................957
Subscribing to Managed Object Value Updates using SNMP................................................................................. 959
Enabling a Subset of SNMP Traps.............................................................................................................................. 959
Enabling an SNMP Agent to Notify Syslog Server Failure....................................................................................... 962
Copy Conguration Files Using SNMP....................................................................................................................... 963
Copying a Conguration File.................................................................................................................................. 964
Copying Conguration Files via SNMP.................................................................................................................965
Copying the Startup-Cong Files to the Running-Cong..................................................................................965
Copying the Startup-Cong Files to the Server via FTP................................................................................... 966
Copying the Startup-Cong Files to the Server via TFTP.................................................................................966
Copy a Binary File to the Startup-Conguration................................................................................................. 967
Additional MIB Objects to View Copy Statistics.................................................................................................. 967
Obtaining a Value for MIB Objects........................................................................................................................ 968
MIB Support to Display Reason for Last System Reboot.........................................................................................968
Viewing the Reason for Last System Reboot Using SNMP...............................................................................969
MIB Support to Display the Available Partitions on Flash.........................................................................................969
Viewing the Available Partitions on Flash..............................................................................................................970
MIB Support to Display Egress Queue Statistics........................................................................................................971
MIB Support to Display Egress Queue Statistics........................................................................................................971
Viewing the ECMP Group Count Information.......................................................................................................971
Contents
29