Users Guide
retrans-time
Enable the verication of the congured retransmission timer value in the received RA packets.
Syntax
retrans—timer value
To reset the advertised retransmission interval, use the no retrans-timervalue command.
Parameters
value Enter the advertised retransmission time interval in milliseconds. The range is from 
100 to 4,294,967,295 milliseconds.
Defaults none
Command Modes POLICY LIST CONFIGURATION
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
9.7(0.0) Introduced on the S6000-ON.
9.7(0.0) Introduced on the S4810, S4820T, S5000, S6000, and Z9000 switches.
Related Commands ipv6 nd raguard policy policy-name — Denes the router advertisement (RA) guard policy name and enter 
the RA guard policy conguration mode.
router-lifetime
Set the router lifetime.
Syntax
router—lifetime value
Parameters
value Enter the router lifetime in seconds. The range is from 0 to 9,000 seconds.
Defaults none
Command Modes POLICY LIST CONFIGURATION
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
9.7(0.0) Introduced on the S6000-ON.
9.7(0.0) Introduced on the S4810, S4820T, S5000, S6000, and Z9000 switches.
Related Commands
• ipv6 nd ra-guard enable — Allows you to congure the RA guard related commands.
• ipv6 nd raguard policy policy-name — Denes the router advertisement (RA) guard policy name and 
enter the RA guard policy conguration mode.
1030
Neighbor Discovery Protocol (NDP)










