User`s guide

Signamax 065-7840 24-Port 10/100/1000BaseT/TX Managed Switch

Function name:

IP TCP/UDP Port Classification

Function description:

In L4 QoS Configuration, you can enter a special network transmission event

to prioritize it appropriately; for example we use ”Down prioritize web browsing,

e-mail, FTP and news“ in the L4 QoS Configuration and click apply, and then

click Custom L4. We can find Special TCP/UDP port 80, 280, 443, 25, 110, 20,

21, 69, 119, 2009 have already existed and are defined for your use, but it is

possible for you to modify this pre-defined TCP/UDP port with other port

numbers you prefer. In ”Down prioritize web browsing, e-mail, FTP and news“,

L4 QoS Configuration with a default setting, specially defined TCP/UDP port

possesses a lower QoS traffic than Default class (all other TCP/UDP ports

such as port 81,82,83,84,85,etc.). As an example, when we transmit TCP

packets with port number 80 from port 2 and port number 81 from port 3 to

port 1 until congestion occurs, the packets from port 3 will be dropped by port

1 because the TCP packets have port number 80 assigned as high priority and

will havea higher precedence to be forwarded from port 1.

Parameter description:

Disable IP TCP/UDP Port Classification: