User manual

4 Configuration DES-1210 Metro Ethernet Managed Switch User Manual
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Max Response Time (10-25 sec): Specifies the time interval in seconds after which a port is removed from
the Multicast membership group. Ports are removed from the Multicast membership when the port sends a
Done Message, indicating the port requests to leave the Multicast group. The field range is 10-25 seconds.
The default timeout is 10 seconds.
Max Learned Entry Value (1-256): Specifies the max learned entry value for MLD Snooping. The field
range is 1-256. The default is 256.
Click Apply to implement changes made. Press the Edit button under Router Port Setting, and select the
ports to be assigned for MLD snooping for the VLAN, and press Apply for changes to take effect.
Configuration > MLD Snooping > MLD Host Table
The MLD Host Table page displays the MLD Snooping information.
Figure 4.72- Configuration > MLD Snooping > MLD Host Table
Configuration > Port Mirroring
Port Mirroring is a method of monitoring network traffic that forwards a copy of each incoming and/or
outgoing packet from one port of the Switch to another port, where the packet can be studied. This enables
network managers to better monitor network performances.
Figure 4.73 – Configuration > Port Mirroring
Port Mirroring: Enables or Disables the port mirroring feature.
Target Port: Specifies the target port.
Selection options for the Source Ports are as follows:
TX (transmit) mode: Duplicates the data transmitted from the source port and forwards it to the Target Port.
Click “all” to include all ports into port mirroring.
RX (receive) mode: Duplicates the data that is received from the source port and forwards it to the Target
Port. Click “all” to include all ports into port mirroring.
Both (TX and RX) mode: Duplicate both the data transmitted from and data sent to the source port, and
forwards all the data to the assigned Target Port. Click “all” to include all ports into port mirroring.
None: Turns off the mirroring of the port. Click “all” to remove all ports from mirroring.
Click Apply to implement changes made.