Alcatel-Lucent 7710 SR OS Configuration Manual page 417

To add set of unique prefixes, execute the command with all unique prefixes. The prefixes are
allowed to overlap IPv4 address space.
An IPv4 prefix addition will be blocked, if resource exhaustion is detected anywhere in the system
because of Filter Policies that use this IPv4 address prefix list.
Default
none
Parameters
ip-prefix — A valid IPv4 address prefix in dotted decimal notation.
prefix-length — Length of the entered IP prefix.
7710 SR OS Router Configuration Guide
Values
0.0.0.0 to 255.255.255.255 (host bit must be 0)
Values 1 — 32
Filter Policies
Page 417