Cisco SRW224G4P User Guide - Page 49

Port Mirroring

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24-Port 10/100 + 2-Port Gigabit Switch with Webview and Power over Ethernet Port Mirroring You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner. Monitor port speed should match or exceed source port speed, otherwise traffic may be dropped from the monitor port. All mirror sessions have to share the same destination port. When mirroring port traffic, the target port must be included in the same VLAN as the source port. Set the following attributes for port mirroring using the Port Mirroring screen. Mirror Sessions. Displays a list of current mirror sessions. Source Port. The port whose traffic will be monitored. Type. Allows you to select which traffic to mirror to the target port, Rx (receive), or Tx (transmit). Target Port. The port that will mirror the traffic on the source port. Specify the source port, the traffic type to be mirrored, and the target port, then click Add. Figure 5-22: Switch Config - Port Mirroring 41 Chapter 5: Configuring the Switch through the Web Utility Switch Config

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41
Chapter 5: Configuring the Switch through the Web Utility
Switch Config
24-Port 10/100 + 2-Port Gigabit Switch with Webview and Power over Ethernet
Port Mirroring
You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic
analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely
unobtrusive manner.
Monitor port speed should match or exceed source port speed, otherwise traffic may be dropped from the
monitor port.
All mirror sessions have to share the same destination port.
When mirroring port traffic, the target port must be included in the same VLAN as the source port.
Set the following attributes for port mirroring using the Port Mirroring screen.
Mirror Sessions
. Displays a list of current mirror sessions.
Source Port
. The port whose traffic will be monitored.
Type
. Allows you to select which traffic to mirror to the target port, Rx (receive), or Tx (transmit).
Target Port
. The port that will mirror the traffic on the source port.
Specify the source port, the traffic type to be mirrored, and the target port, then click
Add
.
Figure 5-22: Switch Config - Port Mirroring