Section 3 – Configuration
D-Link DSL-2542B User Manual
35
User Define
On this window, you can assign a Weight, on a percentage basis, to each
of the four priority queues. In addition, you can specify the number of
bytes from the beginning of a given packet’s IP header to set a pointer.
From this pointer, you can then specify a Value (in hexadecimal) and a
Mask (in hexadecimal) for the Router to match when examining packets
crossing the specified priority queue. It is recommended that you not enter
a QoS scheme of this type unless you fully understand Offsets, pointers,
masks, and IP headers or you are instructed to do so by your ISP. When
you are finished, click
Apply Settings
and then click the
Reboot
button to
let your new settings take effect.
Here’s an example of some typical User Defined IP QoS values:
Packet Value
Mask
IP
Header
Offset
IGMP 0x02
0xff
9
FTP
0x0015
0xffff
22 (destination port)
IP Source 192.168.1.1 0xc0a80101
0xffffffff
12
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