Administrator Guide

valid-lifetime |
infinite
Enter the amount of time that the prefix is advertised, or enter infinite for an
unlimited amount of time. The range is from 0 to 4294967295. The default is 2592000.
The maximum value means that the preferred lifetime does not expire for the valid-life
time parameter.
preferred-lifetime
| infinite
Enter the amount of time that the prefix is preferred, or enter infinite for an unlimited
amount of time. The range is from 0 to 4294967295. The default is 604800. The
maximum value means that the preferred lifetime and does not expire.
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.0) Introduced on the S3148.
9.8(2.0) Introduced on the S3100 series.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.2.0 Introduced on the E-Series, C-Series, and S-Series.
Usage Information By default, all prefixes configured as addresses on the interface are advertised. This command allows control over
the individual parameters per prefix; you can use the default keyword to use the default parameters for all
prefixes. If a prefix has been configured with lifetime parameter values, the default values cannot be applied using
the ipv6 nd prefix default no-autoconfig command.
ipv6 nd reachable-time
Configure the amount of time before an IPv6 neighbor is considered unreachable.
Syntax
ipv6 nd reachable-time reachable-time
To restore to default, use the no ipv6 nd reachable-time command.
Parameters
reachable-time Enter the reachable time in milliseconds. The value is from 0 to 3600000. The default
value is 0.
Default Disabled
Command Modes INTERFACE
Command History
This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.12(1.0) Introduced on the S5048F–ON.
Legacy version Introduced on the S series and Z series.
766 IPv6 Basics