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IPv6 Routing Commands
1103
User Guidelines
This command has no user guidelines.
Example
The following example sets to true the “other stateful configuration” flag in 
router advertisements
console(config)#interface vlan 15
console(config-if-vlan15)#ipv6 nd other-config-flag
ipv6 nd prefix
Use the ipv6 nd prefix command to configure parameters associated with 
prefixes that the router advertises in its router advertisements. 
Syntax
ipv6 nd prefix 
ipv6-prefix/prefix-length [{valid-lifetime | infinite} {preferred-
lifetime | infinite}] [no-autoconfig] [off-link]
no ipv6 nd prefix 
ipv6-prefix/prefix-length
Syntax Description
Parameter
Description
ipv6-prefix
IPv6 prefix.
prefix-length
IPv6 prefix length.
valid-lifetime
Valid lifetime of the router in seconds. (Range: 0–4294967295 
seconds.)
infinite
Indicates lifetime value is infinite.
preferred-lifetime
Preferred-lifetime of the router in seconds. (Range: 
0–4294967295 seconds.)
no-autoconfig
Do not use Prefix for autoconfiguration.
off-link
Do not use Prefix for onlink determination.
2CSPC4.X8100-SWUM102.book  Page 1103  Friday, March 15, 2013  8:56 AM