D-Link DGS-3000 series Reference Manual page 186

DGS-3000 Series Layer 2 Managed Gigabit Switch Web UI Reference Guide
Offset
Click the Select button to select a CPU ACL type.
Click the Create button to create a profile.
Click the <<Back button to discard the changes made and return to the previous page.
After clicking the Show Details button, the following page will appear:
Figure 7-40 CPU Access Profile Detail Information (Packet Content ACL)
Click the Show All Profiles button to navigate back to the CPU ACL Profile List Page.
After clicking the Add/View Rules button, the following page will appear:
Click the Add Rule button to create a new CPU ACL rule in this profile.
Click the <<Back button to return to the previous page.
Click the Show Details button to view more information about the specific rule created.
Click the Delete Rules button to remove the specific entry.
Enter a page number and click the Go button to navigate to a specific page when multiple pages exist.
After clicking the Add Rule button, the following page will appear:
Select IPv4 to instruct the Switch to examine the IPv4 address in each frame's header.
Select IPv6 to instruct the Switch to examine the IPv6 address in each frame's header.
Select Packet Content Mask to specify a mask to hide the content of the packet header.
This field will instruct the Switch to mask the packet header beginning with the offset
value specified:
0-15 - Enter a value in hex form to mask the packet from the beginning of the packet to
the 15th byte.
16-31 – Enter a value in hex form to mask the packet from byte 16 to byte 31.
32-47 – Enter a value in hex form to mask the packet from byte 32 to byte 47.
48-63 – Enter a value in hex form to mask the packet from byte 48 to byte 63.
64-79 – Enter a value in hex form to mask the packet from byte 64 to byte 79.
Figure 7-41 CPU Access Rule List (Packet Content ACL)
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