Reference Guide
Command History
This guide is platform-specific. For command information about other platforms, refer to the 
relevant 
FTOS Command Line Reference Guide
.
The following is a list of the FTOS version history for this command.
Version 9.1.(0.0) Introduced on the S4810 and Z9000.
Version 7.8.1.0 Added support for the C-Series.
Version 7.4.1.0 Introduced on the E-Series.
Version 8.3.19.0 Introduced on the S4820T.
Usage 
Information
The time interval between hello packets must be the same for routers in a network.
Related 
Commands
ipv6 ospf dead-interval – specifies the time interval between hello packets was received from a 
router.
ipv6 ospf priority
To determine the Designated Router for the OSPFv3 network, set the priority of the interface.
S4820T
Syntax
ipv6 ospf priority number
To return to the default time interval, use the no ipv6 ospf priority command.
Parameters
number
Enter the number as the priority. The range is from 1 to 255.
Defaults 1
Command Modes INTERFACE
Command History
Version 9.1.(0.0) Introduced on the S4810 and Z9000.
Version 8.3.19.0 Introduced on the S4820T.
Version 7.8.1.0 Added support for the C-Series.
Version 7.4.1.0 Introduced on the E-Series.
Usage 
Information
Setting a priority of 0 makes the router ineligible for election as a Designated Router or Backup 
Designated Router.
Use this command for interfaces connected to multi-access networks, not point-to-point 
networks.
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