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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 48 Configuring RMON
Enabling RMON on the Switch
The embedded RMON agent allows the switch to monitor network traffic from all ports simultaneously
at Layer 2 without requiring a dedicated monitoring probe or network analyzer. For more information
on RMON, visit:
http://www.cisco.com/en/US/docs/internetworking/technology/handbook/RMON.html
Enabling RMON on the Switch
Note RMON is disabled by default.
To enable RMON, perform this task in privileged mode:
This example shows how to enable RMON on the switch and how to verify that RMON is enabled:
Console> (enable) set snmp rmon enable
SNMP RMON support enabled.
Console> (enable) show snmp
RMON: Enabled
Extended RMON: Extended RMON module is not present
Traps Enabled:
Port,Module,Chassis,Bridge,Repeater,Vtp,Auth,ippermit,Vmps,config,entity,stpx
Port Traps Enabled: 1/1-2,4/1-48,5/1
Community-Access Community-String
---------------- --------------------
read-only Everyone
read-write Administrators
read-write-all Root
Trap-Rec-Address Trap-Rec-Community
---------------------------------------- --------------------
172.16.10.10 read-write
172.16.10.20 read-write-all
Console> (enable)
Viewing the RMON Data
Access to the RMON data is available only on a network management system (NMS) that supports
RFC 1757 and RFC 2021 (see the “Using CiscoWorks2000” section on page 47-6). You cannot access
the RMON data through the switch CLI; however, the CLI show commands provide similar information.
Task Command
Step 1
Enable RMON on the switch. set snmp rmon enable
Step 2
Verify that RMON is enabled. show snmp
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