Dell Force10 S50-01-GE-48T FTOS 8.4.2.7 Command Line Reference Guide for E-Ser - Page 302
bfd all-neighbors
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www.dell.com | support.dell.com bfd all-neighbors c e Enable BFD sessions with all neighbors discovered by Layer 3 protocols IS-IS, OSPF, or BGP on router interfaces, and (optionally) reconfigure the default timer values. Syntax bfd all-neighbors [interval interval min_rx min_rx multiplier value role {active | passive}] Parameters interval milliseconds min_rx milliseconds multiplier value role [active | passive] (OPTIONAL) Enter this keyword to specify non-default BFD session parameters beginning with the transmission interval. Range:50-1000 Default:100 Enter this keyword to specify the minimum rate at which the local system would like to receive control packets from the remote system. Range:50-100 Default:100 Enter this keyword to specify the number of packets that must be missed in order to declare a session down. Range:3-50 Default:3 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. Default: Active Defaults See Parameters Command Modes ROUTER OSPF ROUTER BGP ROUTER ISIS (Not available on C-Series) Command History Version 8.4.2.5 Version 8.3.8.0 Version 8.4.1.3 Version 8.2.1.0 Version 7.6.1.0 Version 7.5.1.0 Version 7.4.1.0 BFD for BGP was introduced on the C-Series and E-Series TeraScale. BFD for BGP was introduced on the S4810. BFD for BGP was introduced on the E-Series ExaScale. BFD for OSPF and ISIS introduced on the E-Series ExaScale. BFD for OSPF introduced on the C-Series. BFD for ISIS introduced on the E-Series. BFD for OSPF introduced on the E-Series. Usage Information All neighbors inherit the timer values configured with the bfd all-neighbors command except in the following cases: • Timer values configured with the isis bfd all-neighbors command in INTERFACE mode override timer values configured with the bfd all-neighbors command. Likewise, using the no bfd all-neighbors command does not disable BFD on an interface if BFD is explicitly enabled using the command isis bfd all-neighbors. 302 | Bidirectional Forwarding Detection (BFD)