CLI Reference Guide-R04

Chapter 31 | IP Interface Commands
IPv6 Interface
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ipv6 nd prefix Use this command to configure the IPv6 prefixes to include in the router
advertisements. Use the no form of the command with the prefix to remove it from
the IPv6 router advertisements.
Syntax
ipv6 nd prefix ipv6-prefix {default | valid-lifetime preferred-lifetime}
no ipv6 nd prefix ipv6-prefix
ipv6-prefix - IPv6 prefix/length in bits (48 bits maximum). The leftmost portion
of the IPv6 address indicating the network portion followed by a slash and
the number of bits which is the length of the prefix.
default - default valid and preferred lifetimes (valid-30 days, preferred-7 days)
valid-lifetime - the length of time in seconds the prefix advertised is valid.
(Range: 0 to 4294967295 seconds)
preferred-lifetime - the length of time in seconds the prefix advertised is
preferred. (Range: 0 to 4294967295 seconds)
Default Setting
Disabled
Command Mode
Interface Configuration (VLAN)
Example
Console(config-if)#ipv6 nd prefix 2001:db8:3c4d::/48 default
Console(config-if)#
ipv6 nd ra interval This command configures the time between sending IPv6 router advertisements.
The no form of the command will set the interval time back to the default.
Syntax
ipv6 nd ra interval interval-sec
no ipv6 nd ra interval
interval -sec - The interval time in seconds between RA transmissions
(Range: 4 to 1800 seconds)
Default Setting
200 Seconds
Command Mode
Interface Configuration (VLAN)