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D-Link DES-3250TG Standalone Layer 2 Switch
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.
VLAN
Selecting this option instructs the Switch
to examine the VLAN part of each packet
header and use this as the, or part of the
criterion for forwarding.
Source IP Mask
Enter an IP address mask for the source
IP address.
Destination IP Mask
Enter an IP address mask for the
destination IP address.
DSCP
Selecting this option instructs the Switch
to examine the DiffServ Code part of
each packet header and use this as the,
or part of the criterion for forwarding.
Protocol
Selecting this option instructs the Switch
to examine the protocol type value in
each frame's header. You must then
specify what protocol(s) to include
according to the following guidelines:
Select ICMP to instruct the Switch to
examine the Internet Control Message
Protocol (ICMP) field in each frame's
header.
Select Type to further specify that the
access profile will apply an ICMP type
value, or specify Code to further specify
that the access profile will apply an ICMP
code value.
Select IGMP to instruct the Switch to
examine the Internet Group Management
Protocol (IGMP) field in each frame's
header.
Select Type to further specify that the
access profile will apply an IGMP type
value
Select TCP to use the TCP port number
contained in an incoming packet as the
forwarding criterion. Selecting TCP
requires that you specify a source port
mask and/or a destination port mask.
The user may also identify which flag bits
to filter. Flag bits are parts of a packet
that determine what to do with the
packet. The user may filter packets by
filtering certain flag bits within the
packets, by checking the boxes
corresponding to the flag bits of the TCP
field. The user may choose between urg
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