Juniper JUNOSE SOFTWARE FOR E SERIES 11.3.X - BROADBAND ACCESS CONFIGURATION GUIDE 2010-10-12 Configuration Manual page 144

JunosE 11.3.x Broadband Access Configuration Guide
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Alternatively, configure the prefix range by specifying the starting and ending IPv6
prefixes of the range.
host1(config-v6-local)#prefix 3003:3003::/56 3003:3003:0:1000::/56
In this case, the starting and ending prefixes of the range are explicitly specified. In
the preceding example, a prefix range is configured with 16 prefixes that can be
allocated to clients. All prefixes assigned from this range have 56 as the prefix
length. When you specify the prefix range in this way, you must ensure that the
starting and ending prefixes are of the same length.
Specify the time period when the requesting router can use the prefix. You can configure
4.
a preferred lifetime or a valid lifetime for the requesting router to use when you
configure the prefix range. If no lifetime is specified when you configure the prefix
range, the default lifetime of 1 day is assigned.
NOTE: The preferred lifetime must be less than or equal to the valid
lifetime.
Specify the number of days and, optionally, the number of hours, minutes, and
seconds. You cannot specify a lifetime of zero (that is, you cannot set the days,
hours, minutes, and seconds fields all to zero).
host1(config-v6-local)#prefix 5005:5005::/32 48 preferred 1 2 3 4
In this example, the preferred lifetime is set to 1 day, 2 hours, 3 minutes, and 4
seconds. Because the valid lifetime is not configured, the default value of 1 day is
assigned.
Use the infinite keyword to specify a lifetime that does not expire.
host1(config-v6-local)#prefix 5005:5005::/32 48 valid infinite
In this example, the period for which the prefix remains valid indefinitely for the
requesting router to use after it has been delegated by the DHCPv6 server. In this
case, the preferred lifetime is set to 1 day by default.
Specify the IPv6 address of the DNS servers to be returned to the client. You can
5.
configure a primary and secondary DNS server. The DNS server addresses are returned
to the client in DHCPv6 responses as part of the DNS Recursive Name Server option.
host1(config-v6-local)#dns-server 3001::1 3001::2
If the DNS server is not configured in the IPv6 local address pool, the DNS server
configured on the DHCPv6 local server is used to delegate prefixes. However, if DNS
servers are configured both in the IPv6 local pool and on the DHCPv6 local server, the
values configured in the IPv6 local pool take precedence.
Specify the name of a DNS domain in the IPv6 local pool to be returned to clients in
6.
the DHCPv6 responses as part of the Domain Search List option. The client uses this
domain name for DNS resolution. You can specify a maximum of four DNS domains
for an IPv6 local pool's search list.
host1(config-v6-local)#dns-domain-search test1.com
host1(config-v6-local)#dns-domain-search test2.com
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