Users Guide

Changing the Polling Intervals......................................................................................................................................... 720
Back-Off Mechanism.........................................................................................................................................................721
sFlow on LAG ports........................................................................................................................................................... 721
Enabling Extended sFlow.................................................................................................................................................. 721
Important Points to Remember................................................................................................................................. 722
Chapter 50: Simple Network Management Protocol (SNMP).......................................................... 723
Protocol Overview.............................................................................................................................................................723
Implementation Information............................................................................................................................................. 724
SNMPv3 Compliance With FIPS..................................................................................................................................... 724
Configuration Task List for SNMP..................................................................................................................................725
Important Points to Remember.......................................................................................................................................725
Set up SNMP.....................................................................................................................................................................725
Creating a Community................................................................................................................................................ 725
Setting Up User-Based Security (SNMPv3)........................................................................................................... 726
Reading Managed Object Values.....................................................................................................................................727
Writing Managed Object Values...................................................................................................................................... 727
Configuring Contact and Location Information using SNMP...................................................................................... 728
Subscribing to Managed Object Value Updates using SNMP.....................................................................................728
Enabling a Subset of SNMP Traps..................................................................................................................................729
Enabling an SNMP Agent to Notify Syslog Server Failure........................................................................................... 731
Copy Configuration Files Using SNMP...........................................................................................................................732
Copying a Configuration File...................................................................................................................................... 733
Copying Configuration Files via SNMP.....................................................................................................................734
Copying the Startup-Config Files to the Running-Config......................................................................................734
Copying the Startup-Config Files to the Server via FTP....................................................................................... 734
Copying the Startup-Config Files to the Server via TFTP.....................................................................................735
Copy a Binary File to the Startup-Configuration.....................................................................................................735
Additional MIB Objects to View Copy Statistics......................................................................................................735
Obtaining a Value for MIB Objects............................................................................................................................736
MIB Support to Display the Available Memory Size on Flash...................................................................................... 737
Viewing the Available Flash Memory Size................................................................................................................ 737
MIB Support to Display the Software Core Files Generated by the System.............................................................737
Viewing the Software Core Files Generated by the System................................................................................. 737
Manage VLANs using SNMP...........................................................................................................................................738
Creating a VLAN..........................................................................................................................................................738
Assigning a VLAN Alias............................................................................................................................................... 738
Displaying the Ports in a VLAN..................................................................................................................................739
Add Tagged and Untagged Ports to a VLAN...........................................................................................................740
Managing Overload on Startup....................................................................................................................................... 740
Enabling and Disabling a Port using SNMP.....................................................................................................................741
Fetch Dynamic MAC Entries using SNMP......................................................................................................................741
Deriving Interface Indices................................................................................................................................................. 742
Monitor Port-Channels.....................................................................................................................................................743
Enabling an SNMP Agent to Notify Syslog Server Failure...........................................................................................744
Troubleshooting SNMP Operation..................................................................................................................................745
Chapter 51: Stacking................................................................................................................... 746
Stacking Overview............................................................................................................................................................ 746
Contents
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