www.acti.com
VMGB-
370 User’s Manual
59
MTU
It stands for maximum transmission unit. It is the size of the largest protocol data unit that
can be communicated in a single network layer transaction.
The valid value range of MTU is 1280 to 1500.
DNS
It stands for domain name server. It is required if you need to visit the device with domain
name. And it is also required for some applications (e.g., sending email). Set Preferred DNS
Server and Alternate DNS server properly if needed.
Multicast Discovery
Check the
Enable Multicast Discovery
, and then the online network camera can be
automatically detected by client software via private multicast protocol in the LAN.
Port
The device port can be modified when the device cannot access the network due to port conflicts.
Caution
Do not modify the default port parameters at will, otherwise the device may be unaccessible.
Go to
Configuration → Network → Basic Settings → Port
for port settings.
HTTP Port
It refers to the port that access the device through the browser. You should enter the port No.
after the IP address. For example, when the HTTP port is modified to 81, you need to enter
http://192.168.0.100:81
in the browser for browser login.
HTTPS Port
It refers to the port of browser certificate access. Certificate verification is required when
accessing the device through the browser, and the security level is high.
RTSP Port
It refers to the port of real time streaming protocol.
Server Port
It refers to the port on which the client adds the device.
