Administrator Guide

Version Description
9.11(2.1P1) Introduced the vrf keyword.
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
9.0.0.0 Introduced on the Z9000.
8.3.19.0 Introduced on the S4820T.
8.3.8.0 Added support for BFD for BGP on the S4810.
8.4.1.3 Added support for BFD for BGP on the E-Series ExaScale.
8.2.1.0 Introduced on the E-Series ExaScale.
7.6.1.0 Introduced on the C-Series.
7.5.1.0 Added support for BFD for VLAN and port-channel interfaces on the E-Series.
7.4.1.0 Introduced BFD on physical ports on the E-Series.
Example
Dell# show bfd neighbors
* - Active session role
Ad Dn - Admin Down
B - BGP
C - CLI
I - ISIS
O - OSPF
R - Static Route (RTM)
LocalAddr RemoteAddr Interface State Rx-int Tx-int Mult Clients
* 10.1.3.2 10.1.3.1 Te 1/3 Up 300 250 3 C
Example (Detail)
Dell# show bfd neighbors detail
Session Discriminator: 1
Neighbor Discriminator: 1
Local Addr: 10.1.3.2
Local MAC Addr: 00:01:e8:02:15:0e
Remote Addr: 10.1.3.1
Remote MAC Addr: 00:01:e8:27:2b:f1
Int: TenGigabitEthernet 1/3
State: Up
Configured parameters:
TX: 200ms, RX: 200ms, Multiplier: 3
Neighbor parameters:
TX: 250ms, RX: 300ms, Multiplier: 4
Actual parameters:
TX: 300ms, RX: 250ms, Multiplier: 3
Role: Active
Delete session on Down: False
Client Registered: CLI
Uptime: 00:02:04
Statistics:
Number of packets received from neighbor: 376
Number of packets sent to neighbor: 314
Number of state changes: 2
Number of messages from IFA about port state change: 0
Number of messages communicated b/w Manager and Agent: 6
Dell#
Related
Commands
bfd all-neighbors — establishes BFD sessions with all neighbors discovered by the IS-IS protocol or OSPF
protocol out of all interfaces.
Bidirectional Forwarding Detection (BFD) 305