LevelOne ProCon GSW-2692 User Manual Page 297

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Mirror Port Commands
4-119
4
Mirror Port Commands
This section describes how to mirror traffic from a source port to a target port.
port monitor
This command configures a mirror session. Use the no form to clear a mirror
session.
Syntax
port monitor interface [rx | tx]
no port monitor interface
interface - ethernet unit/port (source port)
- unit - Stack unit. (Range: 1-8)
- port - Port number. (Range: 1-26)
rx - Mirror received packets.
tx - Mirror transmitted packets.
Default Setting
No mirror session is defined.
Command Mode
Interface Configuration (Ethernet, destination port)
Command Usage
You can mirror traffic from any source port to a destination port for real-time
analysis. You can then attach a logic analyzer or RMON probe to the
destination port and study the traffic crossing the source port in a completely
unobtrusive manner.
The destination port is set by specifying an Ethernet interface.
The mirror port and monitor port speeds should match, otherwise traffic may
be dropped from the monitor port.
You can create multiple mirror sessions, but all sessions must share the same
destination port. However, you should avoid sending too much traffic to the
destination port from multiple source ports.
Table 4-42 Mirror Port Commands
Command Function Mode Page
port monitor Configures a mirror session IC 4-119
show port monitor Shows the configuration for a mirror port PE 4-120
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