Reference: BFD Details
To see the following BFD information for a virtual router, refer to Step 12 of Configure BFD, View BFD summary and details.
ID number of the BFD session.
Interface you selected where BFD is running.
Static route (IP address family of static route) and/or dynamic routing protocol that is running BFD on the interface.
Local IP Address
IP address of interface.
Neighbor IP Address
IP address of BFD neighbor.
default *(This BFD session has multiple BFD profiles. Lowest ‘Desired Minimum Tx Interval (ms)’ is used to select the effective profile.)
Name of BFD profile applied to the interface.
Because the sample interface has both a static route and OSPF running BFD with different profiles, the firewall uses the profile with the lowest
Desired Minimum Tx Interval. In this example, the profile used is the default profile.
BFD states of the local and remote BFD peers. Possible states are admin down, down, init, and up.
2h 36m 21s 419ms
Length of time BFD has been up (hours, minutes, seconds, and milliseconds).
Discriminators for local and remote BFD peers.
Mode in which BFD is configured on the interface: Active or Passive.
PAN-OS does not support BFD Demand Mode, so it is always in Disabled state.
BFD multihop: Enabled or Disabled.
TTL of multihop; range is 1-254. Field is empty if Multihop is disabled.
Local Diag Code
0 (No Diagnostic)
Diagnostic codes indicating the reason for the local system’s last change in state:
1—Control Detection Time Expired
2—Echo Function Failed
3—Neighbor Signaled Session Down
4—Forwarding Plane Reset
6—Concatenated Path Down
8—Reverse Concatenated Path Down
Last Received Remote Diag Code
0 (No Diagnostic)
Diagnostic code last received from BFD peer.
Transmit Hold Time
Hold time (in milliseconds) after a link comes up before BFD transmits BFD control packets. A hold time of 0ms means to transmit immediately. Range is 0-120000ms.
Received Min Rx Interval
Minimum Rx interval received from the peer; the interval at which the BFD peer can receive control packets. Maximum is 2000ms.
Negotiated Transmit Interval
Transmit interval (in milliseconds) that the BFD peers have agreed to send BFD control packets to each other. Maximum is 2000ms.
Detection time multiplier value received from the BFD peer. The Transmit Time multiplied by the Multiplier equals the detection time. If BFD does not receive a BFD control packet from its peer before the detection time expires, a failure has occurred. Range is 2-50.
Detect Time (exceeded)
Calculated detection time (Negotiated Transmit Interval multiplied by Multiplier) and the number of milliseconds the detection time is exceeded.
Tx Control Packets (last)
9383 (420ms ago)
Number of BFD control packets transmitted (and length of time since BFD transmitted the most recent control packet).
Rx Control Packets (last)
9384 (407ms ago)
Number of BFD control packets received (and length of time since BFD received the most recent control packet).
Agent Data Plane
Slot 1 - DP 0
On PA-7000 Series firewalls, the dataplane CPU that is assigned to handle packets for this BFD session.
Number of BFD errors.
Last Packet Causing State Change
BFD poll bit; 0 indicates not set.
Desired Min Tx Interval
Desired minimum transmit interval of last packet causing state change.
Required Min Rx Interval
Required minimum receive interval of last packet causing state change.
Detect Multiplier of last packet causing state change.
Remote discriminator. A discriminator is a unique, nonzero value the peers use to distinguish multiple BFD sessions between them.
Local discriminator. A discriminator is a unique, nonzero value the peers use to distinguish multiple BFD sessions between them.
0 (No Diagnostic)
Diagnostic code of last packet causing state change.
Length of BFD control packet in bytes.
PAN-OS does not support BFD Demand mode, so Demand Bit is always set to 0 (disabled).
PAN-OS does not support the Poll Sequence, so Final Bit is always set to 0 (disabled).
This bit is reserved for future point-to-multipoint extensions to BFD. It must be zero on both transmit and receipt.
Control Plane Independent Bit
Authentication Present Bit
PAN-OS does not support BFD Authentication, so the Authentication Present Bit is always set to 0.
Required Min Echo Rx Interval
PAN-OS does not support the BFD Echo function, so this will always be 0ms.