Command Line Reference Guide

Open Shortest Path First (OSPFv2 and OSPFv3) | 1083
Usage
Information
In general, the path cost is calculated as:
10^8 / bandwidth
Using this formula, the default path cost are calculated as:
• GigabitEthernet—Default cost is 1
• TenGigabitEthernet—Default cost is 1
• Ethernet—Default cost is 10
ipv6 ospf dead-interval
c e
Set the time interval since the last hello-packet was received from a router. After the time interval
elapses, the neighboring routers declare the router down.
Syntax
ipv6 ospf dead-interval seconds
To return to the default time interval, use the no ipv6 ospf dead-interval command.
Parameters
Defaults
As above
Command Modes
INTERFACE
Command
History
Usage
Information
By default, the dead interval is four times longer than the default hello-interval.
Related
Commands
ipv6 ospf graceful-restart helper-reject
e
t
Configure an OSPFv3 interface to not act upon the Grace LSAs that it receives from a restarting
OSPFv3 neighbor.
Syntax
graceful-restart helper-reject
To disable the helper-reject role, enter no ipv6 ospf graceful-restart helper-reject.
Defaults
The helper-reject role is not configured.
Command Modes
INTERFACE
Command
History
seconds
Enter the time interval in seconds.
Range: 1 to 65535 seconds
Default: 40 seconds (Ethernet)
Version 7.8.1.0 Added support for C-Series
Version 7.4.1.0 Introduced
ipv6 ospf hello-interval Specify the time interval between hello packets
Version 8.4.2.2 Introduced on E-Series TeraScale.