D-Link DES-3528 User Manual page 203

xStack DES-3528 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual
Click on the boxes at the top of the table, which will then turn red and reveal parameters for configuration. To create a
new entry enter the correct information and click Create. To return to the Access Profile List page click Previous
Page.
The following parameters can be set, for Packet Content:
Parameter Description
Chunk Allows users to examine up to 4 specified offset_chunks within a packet at one time and specifies
the frame content offset and mask. There are 4 chunk offsets and masks that can be configured.
A chunk mask presents 4 bytes. 4 offset_chunks can be selected from a possible 32 predefined
offset_chunks as described below:
offset_chunk_1,
offset_chunk_2,
offset_chunk_3,
offset_chunk_4.
chunk0
B126,
B127,
B0,
B1
Example:
offset_chunk_1 0 0xffffffff will match packet byte offset 126,127,0,1
Figure 10- 22. Add Packet Content ACL Profile
chunk1 chunk2 ......
B2, B6, ......
B3, B7,
B4, B8,
B5 B9
chunk29 chunk30
B114, B118,
B115, B119,
B116, B120,
B117 B121
187
chunk31
B122,
B123,
B124,
B125