Users Guide
no-advertise Enter the keyword no-advertise to prevent the specied prex from being 
advertised.
no-autocong Enter the keywords no-autoconfig to disable Stateless Address 
Autoconguration.
no-rtr-address Enter the keyword no-rtr-address to exclude the full router address from 
router advertisements (the R bit is not set).
o-link Enter the keywords off-link to advertise the prex without stating to recipients 
that the prex is either on-link or o-link.
valid-lifetime | 
innite
Enter the amount of time that the prex 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 | 
innite
Enter the amount of time that the prex 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-specic. For command information about other platforms, refer to the relevant Dell 
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
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 TeraScale, C-Series, and S-Series.
Usage Information By default, all prexes congured as addresses on the interface are advertised. This command allows control 
over the individual parameters per prex; you can use the default keyword to use the default parameters 
for all prexes. If a prex has been congured with lifetime parameter values, the default values cannot be 
applied using the ipv6 nd prefix default no-autoconfig command.
ipv6 route
Establish a static IPv6 route.
S4820T
Syntax
ipv6 route [vrf vrf-name] ipv6-address prefix-length {ipv6-address | 
interface | interface ipv6-address} [distance] [tag value] [permanent] 
[weight weight-value]
IPv6 Basics
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