Dahua DH-HCVR5424L-S2, Руководство пользователя

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HDCVI Standalone DVR User’s Manual
247
Parameter Function
SNMP Port The listening port of the proxy program of the device. It is a
UDP port not a TCP port. The value ranges from 1 to 65535.
The default value is 161
Read Community It is a string. It is a command between the manage process
and the proxy process. It defined the authentication, access
control and the management relationship between one proxy
and one group of the managers. Please make sure the device
and the proxy are the same.
The read community will read all the objects the SNMP
supported in the specified name. The default setup is public.
Write Community It is a string. It is a command between the manage process
and the proxy process. It defined the authentication, access
control and the management relationship between one proxy
and one group of the managers. Please make sure the device
and the proxy are the same.
The read community will read/write/access all the objects the
SNMP supported in the specified name. The default setup is
write.
Trap address
The destination address of the Trap information from the proxy
program of the device.
Trap port
The destination port of the Trap information from the proxy
program of the device. It is for the gateway device and the
client-end PC in the LAN to exchange the information. It is a
non-protocol connection port. It has no effect on the network
applications. It is a UDP port not TCP port. The value ranges
from 1 to 165535. The default value is 162.
SNMP version

Check V1, system only processes the information of V1.

Check V2, system only processes the information of V2.
5.8.2.12 Multicast
The multicast interface is shown as in Figure 5-42.
Multicast is a transmission mode of data packet. When there is multiple-host to receive the
same data packet, multiple-cast is the best option to reduce the broad width and the CPU
load. The source host can just send out one data to transit. This function also depends
on the relationship of the group member and group of the outer.
Figure 5-42
5.8.2.13 Auto Register
The auto register interface is shown as below. See Figure 5-43.
This function allows the device to auto register to the proxy you specified. In this way, you
can use the client-end to access the DVR and etc via the proxy. Here the proxy has a
switch function. In the network service, device supports the server address of IPv4 or