Accton Technology ES4524D, ES4548D manual Port monitor, Mirror Port Commands Function Mode

Chapter 48: Mirror Port Commands

This section describes how to mirror traffic from a source port to a target port.

Table 48-1 Mirror Port Commands

Command	Function	Mode	Page
port monitor	Configures a mirror session	IC	48-1
show port monitor	Shows the configuration for a mirror port	PE	48-2

port monitor

This command configures a mirror session. Use the no form to clear a mirror session.

Syntax

port monitor interface [rx tx both] no port monitor interface

•interface - ethernet unit/port (source port)

•unit - Stack unit. (Range: Always 1)

•port - Port number. (Range: 1-24/48)

•rx - Mirror received packets.

•tx - Mirror transmitted packets.

•both - Mirror both received and transmitted packets.

Default Setting

No mirror session is defined. When enabled, the default mirroring is for both received and transmitted packets.

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.

48-1