xStack
®
DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch
protocol ID mask in hex form (hex 0x0-0xff) or a user value.
Click
Apply
to implement changes made. The window shown below is the
Access Profile Configuration
window for Packet
Content Mask.
Figure 6- 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-
14)
Type in a unique identifier number for this profile set. This value can be set from
1
to
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.
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.
Offset
The offset field is used to examine the packet header which is divided up into four “chunks” where
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 chunk2…….. chunk29 chunk30
chunk31
b126 b2 b6 b114 b118 b122
b127 b3 b7 b115 b119 b123
b0 b4 b8 b116 b120 b124
b1 b5 b9 b117 b121 b125
Tick the check 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.
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