D-Link DGS-3600 Series User Manual page 264

Click Apply to implement changes made. The window shown below is the Access Profile Configuration window for Packet
Content Mask.
Figure 10- 5. Access Profile Configuration window (Packet Content Mask)
This screen will aid the user in configuring the Switch to mask packet headers beginning with the offset value specified. The
following fields are used to configure the Packet Content Mask:
Parameter Description
Profile ID (1- Type in a unique identifier number for this profile set. This value can be set from 1 to 14.
14)
Type Select profile based on Ethernet (MAC Address), IP address, packet content mask or IPv6. This
will change the menu according to the requirements for the type of profile.
The offset field is used to examine the packet header which is divided up into four "chunks" where
Offset
each chunk represents 4 bytes. Values within the packet header chunk to be identified are to be
marked in hexadecimal form in the "mask" field. The following table will help you identify the bytes
in the respective chunks.
chunk0 chunk1
b126
b127
b0
b1
Check the box of the chunk, from 1 to 4, you wish to examine and then enter the hexadecimal
value in the mask field.
Click Apply to implement changes made.
®
xStack DGS-3600 Series Layer 3 Gigabit Ethernet Managed Switch
protocol id - Enter a value defining the protocol ID in the packet header to mask. Specify the
protocol ID mask in hex form (hex 0x0-0xff) or a user value.
Select Ethernet to instruct the Switch to examine the layer 2 part of each packet

header.
Select IP to instruct the Switch to examine the IP address in each frame's header.

Select Packet Content Mask to specify a mask to hide the content of the packet

header.
Select IPv6 to instruct the Switch to examine the IPv6 part of each packet header.

chunk2........ chunk29
b2 b6
b3 b7
b4 b8
b5 b9
chunk30
b114 b118
b115 b119
b116 b120
b117 b121
246
chunk31
b122
b123
b124
b125