Layer 3 Routing Commands 1530
Command Mode
Interface Configuration (VLAN, Tunnel, Loopback) mode
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
• 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.
Default Configuration
604800 seconds is the default value for valid-lifetime, 2592000 seconds for
preferred lifetime.
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