D-Link DIS-200G Emulator - Page 67
Auto Surveillance VLAN, Auto Surveillance Properties
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DIS-200G Series Industrial Gigabit Ethernet Smart Managed Switch Auto Surveillance VLAN Auto Surveillance Properties This window is used to configure the auto surveillance VLAN global settings and display the ports surveillance VLAN information. To view the following window, click L2 Features > VLAN > Auto Surveillance VLAN > Auto Surveillance Properties, as shown below: Figure 6-22 Auto Surveillance Properties window The fields that can be configured for Global Settings are described below: Parameter Surveillance VLAN State Surveillance VLAN ID Surveillance VLAN CoS Aging Time ONVIF Discover Port Description Select this option to enable or disable the surveillance VLAN state. Enter the surveillance VLAN ID. The range is from 2 to 4094. Select the priority of the surveillance VLAN from 0 to 7. Enter the aging time of surveillance VLAN. The range is from 1 to 65535 minutes. The default value is 720 minutes. The aging time is used to remove a port from surveillance VLAN if the port is an automatic surveillance VLAN member. When the last surveillance device 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 reset and stop. Enter the TCP/UDP port number here. The range is either 554, or from 1025 to 65535. This is used to configure the TCP/UDP port number for RTSP stream snooping. ONVIF-capable IPC and ONVIF-capable NVR utilize WS-Discovery to find other devices. Once IPCs are discovered, the Switch can further discover NVRs by snooping RTSP, HTTP, and HTTPS packets between NVRs and IPCs. These packets cannot be snooped if the TCP/UDP port is not equal to the RTSP port number. 60
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