Administrator Guide

role [active |
passive]
Enter the role that the local system assumes:
● Active — The active system initiates the BFD session. Both systems can be
active for the same session.
● Passive — The passive system does not initiate a session. It only responds to
a request for session initialization from the active system.
The default is Active.
Defaults See Parameters
Command Modes INTERFACE
Command
History
This guide is platform-specific. 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
9.2.0.0 Introduced on the Z9000, S4820T, and S4810.
Usage
Information
This command provides the flexibility to fine-tune the timer values based on individual interface needs
when you configure ipv6 ospf BFD in CONFIGURATION mode. Any timer values specified with this
command overrides timers set using the bfd all-neighbors command. Using the no form of this
command does not disable BFD if you configure BFD in CONFIGURATION mode.
To disable BFD on a specific interface while you configure BFD in CONFIGURATION mode, use the
keyword disable.
ipv6 ospf cost
Explicitly specify the cost of sending a packet on an interface.
Z-Series
Syntax
ipv6 ospf interface-cost
Parameters
interface-cost
Enter a unsigned integer value expressed as the link-state metric. The range is from
1 to 65535.
Defaults Default cost based on the bandwidth.
Command Modes INTERFACE
Command
History
This guide is platform-specific. 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
9.1.(0.0) Introduced on the S4810 and Z9000.
7.8.1.0 Added support for C-Series.
7.4.1.0 Introduced on the E-Series.
8.3.19.0 Introduced on the S4820T.
Usage
Information
In general, the path cost is calculated as:
10^8 / bandwidth
Using this formula, the default path cost is calculated as:
Open Shortest Path First (OSPFv2 and OSPFv3) 917