Reference Guide

range is 1 to 128. For the E-Series, the range is 1 to 255 for
TeraScale and 1 to 512 for ExaScale.
• For VLAN interfaces, enter the keyword vlan and then enter
a number from 1 to 4094. For ExaScale VLAN interfaces, the
range is 1 to 2730 (VLAN IDs can be 0 to 4093).
bgp (OPTIONAL) Enter the keyword bgp to display counter information for
BFD sessions established with BGP neighbors.
isis (OPTIONAL) Enter the keyword isis to display counter information
for BFD sessions established with ISIS neighbors. This option is not
available on the C-Series.
ospf (OPTIONAL) Enter the keyword ospf to display counter information
for BFD sessions established with OSPF neighbors.
static-route (OPTIONAL) Enter the keyword static-route to display counter
information for BFD sessions established with ISIS neighbors.
vrrp (OPTIONAL) Enter the keyword vrrp to display counter information
for BFD sessions established with VRRP neighbors.
Defaults none
Command Modes
• EXEC
• EXEC Privilege
Command History
Version 8.4.1.3 Added support for BFD for BGP on the E-Series ExaScale.
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.7.1.0 Introduced on the C-Series.
Version 7.5.1.0 Added support for BFD for VLAN and port-channel interfaces, ISIS,
and VRRP on the E-Series.
Version 7.4.1.0 Introduced BFD on physical ports, static routes, and OSPF on the E-
Series.
Example
FTOS#show bfd counters
Interface Tx Rx
GigabitEthernet 1/3 522 625
FTOS#
353