
2-60 set ip prefixlist Release Note
Software Version 2.7.5
C613-10454-00 REV A
set ip prefixlist
Syntax SET IP PREFIXList=name ENTry=1..65535
[ACTion={MATch|NOMatch}] [MASklength=range]
[PREfix=ipadd]
Description This command modifies an existing entry in a prefix list.
Parameter Description
PREFIXList A name that identifies the prefix list.
Default: no default
ENTry An integer that specifies the position of the entry in the prefix list.
Default: no default
ACTion Whether matching prefixes are included or excluded by the process
that is using the prefix list.
You can use multiple entries in a prefix list with actions of match and
nomatch to build up a list of prefixes. Prefixes with action=match are
included in the list. Then to use this list of prefixes, create a route map
that matches it and apply the route map in a route filtering process.
The route map also has an action parameter, which determines
whether the filtering process includes or excludes the prefixes in the
list.
Default: match
MATch The prefix list includes the prefix.
NOMatch The prefix list excludes the prefix.
MASklength The range of prefix mask lengths matched by this entry in the prefix
list. The range is either a single CIDR mask from 0 to 32, or two masks
separated by a hyphen. These options are valid for setting the mask
length:
• as a mask length range (masklength=a-b).
For a route to match against this entry, its prefix mask length must
be between a and b inclusive. a must be less than b.
• as a single mask length (masklength=a).
For a route to match against this entry, its prefix mask length must
be exactly a.
• as an implicit mask length, by not specifying masklength (for
example, prefix=192.168.0.0).
For a route to match against this entry, its prefix mask length must
correspond exactly to the mask for the class of the given address;
in this example, 24.
Default: The natural mask for the prefix, based on whether it is a class
A, B, or C network
PREfix The network address matched by this entry in the prefix list, specified
in dotted decimal notation.
If you do not specify a prefix, the router or switch sets it to 0.0.0.0.
This is correct if you are matching all routes or the default route.
Default: 0.0.0.0
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