ARRIS 2247-N8-10NA (v9.1.x) Admin Handbook User Manual

Page 44

Administrator’s Handbook

set ip6 dhcp-server pd-enable [ on | off ]

Enables or disables prefix delegation globally on all DHCPv6 servers on all IPv6 LAN conns, overriding individual
DHCPv6 server settings. The default is

set ip6 dhcp-server default-lease-time seconds

Sets the global DHCPv6 lease time setting in seconds. The default is

2592000

(30 days).

set ip6 dhcp-server preferred-lifetime seconds

Sets the global DHCPv6 preferred lifetime of prefixes in seconds, per RFC 3633. (http://www.ietf.org/rfc/
rfc3633.txt) The default is

604800

(7 days).

set ip6 dhcp-server T1 seconds
set ip6 dhcp-server T2 seconds

Sets global DHCPv6 T1, T2 values, per RFC 3315 for local NA addresses:

and also per global DHCPv6 T1, T2 values, per RFC 3633 for PD prefixes:

set ip6 dhcp-server info-refresh-time seconds

In seconds, per rfc 4242: The information refresh time option specifies an upper bound for how long a client
should wait before refreshing information retrieved from DHCPv6 in stateless mode. (http://tools.ietf.org/
html/rfc4242) The default is

86400

(24 hours).

set ip6 dhcp-server provide-dns-domain domain-name

Specifies the default domain name for your network.

set ip6 dhcp-server provide-dns-server [ on | off ]

Determines whether DNS services are provided for IPv6. The default is on.

set ip6 dns primary_address primary_address

Specifies the address of the primary DNS server for IPv6.

The time at which the client contacts the server from which the addresses in the IA_NA were obtained to
extend the lifetimes of the addresses assigned to the IA_NA; T1 is a time duration relative to the current
time expressed in units of seconds. Defaults to 302400 (3.5 days).

The time at which the client contacts any available server to extend the lifetimes of the addresses
assigned to the IA_NA; T2 is a time duration relative to the current time expressed in units of seconds.
Defaults to 483840 (5.6 days).

The time at which the requesting router should contact the delegating router from which the prefixes in
the IA_PD were obtained to extend the lifetimes of the prefixes delegated to the IA_PD; T1 is a time dura-
tion relative to the current time expressed in units of seconds.

The time at which the requesting router should contact any available delegating router to extend the life-
times of the prefixes assigned to the IA_PD; T2 is a time duration relative to the current time expressed in
units of seconds.