Users Guide

no-rtr-address Enter the keyword no-rtr-address to exclude the full router address from
router advertisements (the R bit is not set).
off-link Enter the keywords off-link to advertise the prefix without stating to recipients
that the prefix is either on-link or off-link.
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
9.8(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.
846 IPv6 Basics