Service Manual

Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
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.
8.2.1.0 Introduced on the E-Series.
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
O3 - OSPFv3
R - Static Route (RTM)
M - MPLS
V - VRRP
VT - Vxlan Tunnel
LocalAddr RemoteAddr Interface State Rx-int Tx-int Mult
Clients
* 1.0.1.1 1.0.1.2 Te 1/49/1 Up 200 200 3 B
* 3.3.3.3 192.168.122.135 Te 1/38 Up 1000 1000 3 VT
* 3.3.3.3 192.168.122.136 Te 1/42 Up 1000 1000 3 VT
* 3.3.3.3 192.168.122.137 Te 1/43 Up 1000 1000 3 VT
* 3.3.3.3 192.168.122.138 Te 1/38 Up 1000 1000 3 VT
* 3.3.3.3 192.168.122.139 Te 1/42 Up 1000 1000 3 VT
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: 100ms, RX: 100ms, 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
Bidirectional Forwarding Detection (BFD) 303