Administrator Guide

• Passive — 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-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.0.0.0 Introduced on Z9000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on S4810.
8.2.1.0 Introduced on the E-Series.
7.5.1.0 Introduced on the E-Series.
Usage Information
This command provides the exibility to ne-tune the timer values based on individual interface needs when ISIS
BFD is congured in CONFIGURATION mode. Any timer values specied with this command overrides timers set
using the bfd all-neighbors command. Using the no form of this command does not disable BFD if BFD is
congured in CONFIGURATION mode.
To disable BFD on a specic interface while BFD is congured in CONFIGURATION mode, use the keyword
disable.
neighbor bfd
Explicitly enable a BFD session with a BGP neighbor or a BGP peer group.
Syntax
neighbor {ip-address | peer-group-name} bfd
Parameters
ip-address Enter the IP address of the BGP neighbor that you want to explicitly enable for BFD
sessions in dotted decimal format (A.B.C.D).
peer-group-name Enter the name of the peer group that you want to explicitly enable for BFD sessions.
Defaults None
Command Modes ROUTER BGP
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
336 Bidirectional Forwarding Detection (BFD)