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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
144
The fields that can be configured in Global Settings are described below:
Parameter Description
Surveillance VLAN
Select to enable or disable the surveillance VLAN feature here.
Surveillance VLAN ID
Enter the VLAN ID of the surveillance VLAN here. The range is from 2 to 4094. A
normal VLAN needs to be created before assigning the VLAN as a surveillance
VLAN.
Surveillance VLAN CoS
Enter the Class of Service (CoS) value for the surveillance VLAN here. The
surveillance packets arriving at the surveillance VLAN enabled port are marked
with the CoS specified here. The remarking of CoS allows the surveillance VLAN
traffic to be distinguished from data traffic in quality of service. The range is from 0
to 7.
Aging Time
Enter the aging time value here. This is used to configure the aging time for aging
out the surveillance VLAN dynamic member ports. The range is from 1 to 65535
minutes. When the last surveillance device connected to the port stops sending
traffic and the MAC address of this surveillance device is aged out, the
surveillance VLAN aging timer will be started. The port will be removed from the
surveillance VLAN after expiration of surveillance VLAN aging timer. If the
surveillance traffic resumes during the aging time, the aging timer will be
cancelled.
Click the Apply button to accept the changes made.
The fields that can be configured in Port Settings are described below:
Parameter Description
Unit
Select the Switch unit that will be used for this configuration here.
From Port - To Port
Select the range of ports that will be used for this configuration here.
State
Select to enable or disable the surveillance VLAN feature on the specified port(s)
here. When surveillance VLAN is enabled for a port, the port will automatically be
learned as an untagged surveillance VLAN member and the received untagged
surveillance packets will be forwarded to the surveillance VLAN. The received
packets are determined as surveillance packets if the source MAC addresses of
the packets comply with the Organizationally Unique Identifier (OUI) addresses.
Click the Apply button to accept the changes made.
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