Prefix - Juniper JUNOSE 11.1.X - COMMAND REFERENCE N TO Z 4-6-2010 Command Reference Manual

JUNOSe 11.1.x Command Reference Guide N to Z

prefix

prefix startIpv6Prefix { assignedPrefixLength | endIpv6Prefix } [ [ preferred | valid ]
Syntax
{ days [ hours [ minutes [ seconds ] ] ] | infinite } ]
no prefix startIpv6Prefix [ force | preferred [ valid ] | valid ]
Command introduced in JUNOSe Release 10.1.0.
Release Information
Specifies the prefix range from which IPv6 prefixes can be assigned to the DHCPv6
Description
client. Also, configures the duration of time for which the requesting router can use
the delegated prefix. If no value is specified for preferred or valid lifetime, the default
lifetime of 1 day is used for the delegated prefix. The no version removes the IPv6
prefix range from the local address pool. You can also forcibly delete an IPv6 prefix
range from which prefixes have been allocated.
NOTE: If you attempt to configure a prefix range that overlaps with an existing prefix
range in the same pool, an error message is displayed and the configuration fails.
Also, an error message is displayed if you try to configure a prefix range that overlaps
with a prefix range in another IPv6 local address pool on the same virtual router.
Options
NOTE: Although you can configure the valid lifetime for a prefix, the DHCPv6 server
does not consider this value. The DHCPv6 server uses only the preferred lifetime for
a prefix to determine the amount of time for which a prefix can be used by the
requesting router.
260
prefix
startIpv6Prefix Starting IPv6 prefix of the range of prefixes to be delegated to
requesting routers.
endIpv6Prefix Ending IPv6 prefix of the range of prefixes to be delegated to
requesting routers.
assignedPrefixLength Length of the IPv6 prefix to be assigned from this range
of prefixes to the requesting router.
preferred Specifies use of the preferred period of time for the requesting router
to use the prefix delegated by the DHCPv6 server. If the preferred lifetime is not
specified, the prefix can be used by the requesting router for the default period
of 1 day.
valid Specifies use of the valid period of time for the requesting router to use
the prefix delegated by the DHCPv6 server. If the valid lifetime is not specified,
the prefix can be used by the requesting router for the default period of 1 day.
days Number of days for the preferred or valid lifetime; in the range 0-32768.
hours Number of hours for the preferred or valid lifetime; in the range 0-24.