Ringdale ISDN Router ISDN User Manual page 61

CONFIGURING YOUR ROUTER
Subnet Mask: This data field only appears if you select Network
for Type, described above. In this data field, specify the Subnet
Mask. Type the Subnet Mask in the form of xxx.xxx.xxx.xxx,
where each xxx is a number ranging from 1 to 255. For a node
specific address, this column shows "---.---.---.---" for the Subnet
Mask.
Add Button: Select the Add button to add the currently selected
address or network to the table of addresses and networks to filter
out.
Remove Button: If you click on an item in the Type column of
the table (described above) and then select the Remove button, the
item will be removed from the table of IP Addresses to filter out.
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