Dell Force10 Z9000 Configuration Manual page 132

Figure 7-7. Viewing Session Details
R1(conf-if-gi-4/24)#do show bfd neighbors detail
Session Discriminator: 1
Neighbor Discriminator: 1
Local Addr: 2.2.2.1
Local MAC Addr: 00:01:e8:09:c3:e5
Remote Addr: 2.2.2.2
Remote MAC Addr: 00:01:e8:06:95:a2
Int: GigabitEthernet 4/24
State: Up
Configured parameters:
TX: 100ms, RX:
Neighbor parameters:
TX: 100ms, RX:
Actual parameters:
TX: 100ms, RX:
Role: Active
Delete session on Down: False
Client Registered: CLI
Uptime: 00:03:57
Statistics:
Number of packets received from neighbor: 1775
Number of packets sent to neighbor: 1775
Number of state changes: 1
Number of messages from IFA about port state change: 0
Number of messages communicated b/w Manager and Agent: 4
When both interfaces are configured for BFD, log messages are displayed indicating state changes, as
shown in
Message 1 BFD Session State Changes
R1(conf-if-gi-4/24)#00:36:01: %RPM0-P:RP2 %BFDMGR-1-BFD_STATE_CHANGE: Changed session state to Down for
neighbor 2.2.2.2 on interface Gi 4/24 (diag: 0)
00:36:02: %RPM0-P:RP2 %BFDMGR-1-BFD_STATE_CHANGE: Changed session state to Up for neighbor 2.2.2.2 on
interface Gi 4/24 (diag: 0)
Changing physical port session parameters
BFD sessions are configured with default intervals and a default role (active). The parameters that can be
configured are: Desired TX Interval, Required Min RX Interval, Detection Multiplier, and system role.
These parameters are configured per interface; if you change a parameter, the change affects all physical
port sessions on that interface. Dell Force10 recommends maintaining the default values.
To change session parameters on an interface:
Step Task
1 Change session parameters for all
sessions on an interface.
View session parameters using the
| Bidirectional Forwarding Detection (BFD)
132
100ms, Multiplier: 3
100ms, Multiplier: 3
100ms, Multiplier: 3
Message 1.
Command Syntax
bfd interval milliseconds min_rx
milliseconds multiplier value role [active |
passive]
show bfd neighbors detail
Command Mode
INTERFACE
command.