Rspan Settings - D-Link DGS-3000 Series Reference Manual

The fields that can be configured are described below:
Parameter
Target Port
Source Ports
Source VLAN
Click the Apply button to accept the changes made.
Click the <<Back button to discard the changes made and return to the previous page.
NOTE: VLAN-based port mirror configuration (Source VLAN) only supports ingress (RX) frame types.
NOTE: You cannot mirror a fast port onto a slower port. For example, if you try to mirror the traffic from a
100 Mbps port onto a 10 Mbps port, this can cause throughput problems. The port you are copying
frames from should always support an equal or lower speed than the port to which you are sending the
copies. Please note a target port and a source port cannot be the same port.

RSPAN Settings

This window controls the RSPAN function. The purpose of the RSPAN function is to mirror packets to a remote switch.
A packet travels from the switch where the monitored packet is received, passing through the intermediate switch, and
then to the switch where the packet/network sniffer is attached. The first switch is also named the source switch.
To make the RSPAN function work, the RSPAN VLAN source setting must be configured on the source switch. For
the intermediate and the last switch, the RSPAN VLAN redirect setting must be configured.
NOTE: RSPAN VLAN mirroring will only work when RSPAN is enabled (when one RSPAN VLAN has
been configured with a source port). The RSPAN redirect function will work when RSPAN is enabled and
at least one RSPAN VLAN has been configured with redirect ports.
To view the following window, click Monitoring > Mirror > RSPAN Settings as shown below:
DGS-3000 Series Gigabit Ethernet Switch Web UI Reference Guide
Figure 11-17 Port Mirror Settings - Modify window
Description
Use the drop-down menu to select the Target Port used for Port Mirroring.
Click and enter the ports that should be included. Select RX, TX or Both to specify in
which direction the packets will be monitored. Click Add or Delete to add or delete
source ports.
Click and enter the VLAN IDs that should be included. Select RX, TX or Both to specify
in which direction the packets will be monitored. Click Add or Delete to add or delete
source ports.
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