Dell S3100 EMC Command Line Reference Guide for the Series 9.14.2.5 - Page 319

Version 9.8(0.0P2) 9.2(1.0) 9.0.0.0 8.3.19.0 8.3.10.0 7.4.1.0 Description Introduced on the S3048-ON. Introduced on the Z9500. Introduced on the Z9000. Introduced on the S4820T. Introduced on the S4810. Introduced on the E-Series. Usage Information Protocol Liveness is a feature that notifies the BFD Manager when a client protocol (for example, OSPF and ISIS) is disabled. When a client is disabled, all BFD sessions for that protocol are torn down. Neighbors on the remote system receive an Admin Down control packet and are placed in the Down state. Peer routers might take corrective action by choosing alternative paths for the routes that originally pointed to this router. ip route bfd Enable BFD for all neighbors configured through static routes. Syntax ip route bfd [prefix-list prefix-list-name] [interval interval min_rx min_rx multiplier value role {active | passive}] To disable BFD for all neighbors configured through static routes, use the no ip route bfd [vrf vrfname] [prefix-list prefix-list-name] [interval interval min_rx min_rx multiplier value role {active | passive}] command. Parameters prefix-list prefixlist-name interval milliseconds min_rx milliseconds multiplier value role [active | passive] (Optional) Enter the keyword prefix-list followed by the name of the prefix list to enable or disable BFD on specific neighbors. (OPTIONAL) Enter the keywords interval to specify non-default BFD session parameters beginning with the transmission interval. The range is from 50 to 1000. The default is 200. Enter the keywords min_rx to specify the minimum rate at which the local system receives control packets from the remote system. The range is from 50 to 1000. The default is 200. Enter the keywords multiplier to specify the number of packets that must be missed in order to declare a session down. The range is from 3 to 50. The default is 3. Enter the role that the local system assumes: • Active - active system initiates the BFD session. Both systems can be active for the same session. • 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 CONFIGURATION Command History This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide. Version Description 9.13(0.0) 9.12(1.0) 9.11(2.5) Introduced the vrf keyword on S3100 series, S3048-ON, S4048-ON, S4048T-ON, S5000, S6000, S6000-ON, S6010-ON, S6100-ON, C9010, Z9500, and Z9100-ON. Introduced on the S5048F-ON. Introduced the vrf keyword on the Z9100-ON. Bidirectional Forwarding Detection (BFD) 319