Dell Force10 S4820T FTOS Command Reference Guide - Page 289
bfd disable, bfd enable Configuration
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Usage Information Related Commands 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 or ip ospf bfd all-neighbors commands 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. • Neighbors that have been explicitly enabled or disabled for a BFD session with the bfd neighbor or neighbor bfd disable commands in ROUTER BGP mode do not inherit the global BFD enable/disable values configured with the bfd all-neighbors command or configured for the peer group to which a neighbor belongs. The neighbors inherit only the global timer values (configured with the bfd all-neighbors command). show bfd neighbors bfd neighbor neighbor bfd disable Display BFD neighbor information on all interfaces or a specified interface. Explicitly enable a BFD session with a BGP neighbor or a BGP peer group. Explicitly disable a BFD session with a BGP neighbor or a BGP peer group. bfd disable c e Disable all VRRP sessions in a VRRP group. Syntax bfd disable Re-enable BFD using the command no bfd disable. Defaults BFD is disabled by default. Command Modes INTERFACE VRRP Command History Version 8.2.1.0 Version 7.6.1.0 Version 7.5.1.0 Introduced on E-Series ExaScale Introduced on C-Series Introduced on E-Series bfd enable (Configuration) c e Enable BFD on all interfaces. Syntax bfd enable Disable BFD using the no bfd enable command. Bidirectional Forwarding Detection (BFD) | 289