Users Guide

Table Of Contents
Remote port monitoring (RPM) — Port monitoring is done on trac running across a remote device in the same network. The L2
network carries the monitored trac.
Encapsulated remote port monitoring (ERPM) — Port monitoring is done on the L3 network. The trac from the source port is
encapsulated and forwards to the destination port in another switch.
Local port monitoring
For local port monitoring, the monitored source ports and monitoring destination ports are on the same device.
Congure local monitoring session
1 Verify that the intended monitoring port has no conguration other than no shutdown and no switchport.
show running-configuration
2 Create a monitoring session in CONFIGURATION mode.
monitor session session-id [local]
3 Enter the source and direction of the monitored trac in MONITOR-SESSION mode.
source interface interface-type {both | rx | tx}
4 Enter the destination of trac in MONITOR-SESSION mode.
destination interface interface-type
Create monitoring session
OS10(config)# monitor session 1
OS10(conf-mon-local-1)#
Congure source and destination port, and trac direction
OS10(conf-mon-local-1)# source interface ethernet 1/1/7-1/1/8 rx
OS10(conf-mon-local-1)# destination interface ethernet1/1/1
OS10(conf-mon-local-1)# no shut
View congured monitoring sessions
In the State eld, true indicates that the port is enabled. In the Reason eld, Is UP indicates that hardware resources are allocated.
OS10# show monitor session all
S.Id Source Destination Dir SrcIP DstIP DSCP TTL State Reason
----------------------------------------------------------------------
1 ethernet1/1/7 ethernet1/1/1 rx N/A N/A N/A N/A true Is UP
Remote port monitoring
Remote port monitoring monitors ingress and/or egress trac on multiple source ports of multiple devices and forwards the monitored
trac to multiple destination ports on dierent remote devices. Remote port monitoring helps network administrators monitor and analyze
trac to troubleshoot network problems.
In a remote port monitoring session, monitored trac is tagged with a VLAN ID and switched on a user-dened, non-routable L2 VLAN.
The VLAN is reserved to carry only monitored trac, which is forwarded on all egress ports of the VLAN. You must congure each
intermediate switch that participates in transporting monitored trac with the reserved L2 VLAN. Remote port monitoring supports
monitoring sessions where multiple source and destination ports distribute across multiple network devices.
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Layer 2