Configure IPv4 Prefix List

Use the Configure IPv4 Prefix list page to create, copy and edit prefix list objects. You can create prefix list objects to use when you are configuring route maps, policy maps, OSPF Filtering, or BGP Neighbor Filtering.

You can use this object with threat defense devices.

Procedure

Step 1

Select Objects > Object Management and choose Prefix Lists > IPv4 Prefix List from the table of contents.

Step 2

Click Add Prefix List.

Step 3

Enter a name for the prefix list object in the Name field on the New Prefix List Object window.

Step 4

Click Add.

Step 5

Select the appropriate action, Allow or Block from the Action drop-down list, to indicate the redistribution access.

Step 6

Enter a unique number that indicates the position a new prefix list entry will have in the list of prefix list entries already configured for this object, in the Sequence No. field. If left blank, the sequence number will default to five more than the largest sequence number currently in use.

Step 7

Specify the IPv4 address in the IP address/mask length format in the IP address field. The mask length must be a valid value between 1- 32.

Step 8

Enter the minimum prefix length in the Minimum Prefix Length field. The value must be greater than the mask length and less than or equal to the Maximum Prefix Length, if specified.

Step 9

Enter the maximum prefix length in the Maximum Prefix Length field. The value must be greater than or equal to the Minimum Prefix Length, if present, or greater than the mask length if the Minimum Prefix Length is not specified.

Step 10

Click Add.

Step 11

If you want to allow overrides for this object, check the Allow Overrides check box; see Allowing Object Overrides.

Step 12

Click Save.