L2 Functions > Jumbo Frame; L2 Functions > Port Mirroring - D-Link DGS-1210-20 Reference Manual

4 Configuration
D-Link Web Smart Switch User Manual
VLAN page. The member port you configured in 802.1Q VLAN setting page will be the static member port of
Auto Surveillance VLAN.
Priority: The 802.1p priority levels of the traffic in the Auto Surveillance VLAN. The possible values are 0 to
7.
Tagged Uplink/Downlink Port: Specifies the ports to be tagged uplink port or downlink port for the Auto
Surveillance VLAN.
Click Apply to implement changes of Auto Surveillance VLAN global settings.
User-defined MAC Settings:
Component Type: Auto Surveillance VLAN will automatically detect D-Link Surveillance Devices by default.
There are another five surveillance components that could be configured to be auto-detected by the Auto
Surveillance VLAN. These five components are Video Management Server (VMS), VMS Client/Remote
viewer, Video Encoder, Network Storage and Other IP Surveillance Devices.
Description: Here to input the description for the component type.
MAC/OUI: You can manually create an MAC or OUI address for the surveillance component. The maximum
number of user defined MAC address is 5.
Click Add to create a new surveillance component and Refresh to refresh the Auto Surveillance VLAN
summary table.
L2 Functions > Jumbo Frame
D-Link Gigabit Web Smart Switches support jumbo frames (frames larger than the Ethernet frame size of
1536 bytes) of up to 9216 bytes (tagged). Default is disabled, Select Enabled then click Apply to turn on the
jumbo frame support.
Figure 4.43 – L2 Functions > Jumbo Frame
L2 Functions > 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 4.44 – L2 Functions > Port Mirroring
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.
TX/RX (transmit and receive) 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.
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