Weighted Load-Balancing over MPLS LSP
52 Router Configuration Guide
Diag A diagnostic code specifying the local system’s reason for the last transition of the
session from Up to some other state.
Possible values are:
0-No diagnostic
1-Control detection time expired
2-Echo function failed
3-Neighbor signaled session down
4-Forwarding plane reset
5-Path down
6-Concatenated path down
7-Administratively down
D Bit The “demand mode” bit. (Not supported)
P Bit The poll bit. If set, the transmitting system is requesting verification of connectivity,
or of a parameter change.
F Bit The final bit. If set, the transmitting system is responding to a received BFD control
packet that had the poll (P) bit set.
Rsvd Reserved bits. These bits must be zero on transmit and ignored on receipt.
Length Length of the BFD control packet, in bytes.
My Discriminator A unique, nonzero discriminator value generated by the transmitting system, used to
demultiplex multiple BFD sessions between the same pair of systems.
Your Discriminator The discriminator received from the corresponding remote system. This field
reflects back the received value of my discriminator, or is zero if that value is
unknown.
Desired Min TX Interval This is the minimum interval, in microseconds, that the local system would like to
use when transmitting BFD control packets.
Required Min RX
Interval
This is the minimum interval, in microseconds, between received BFD control
packets that this system is capable of supporting.
Required Min Echo RX
Interval
This is the minimum interval, in microseconds, between received BFD echo packets
that this system is capable of supporting. If this value is zero, the transmitting system
does not support the receipt of BFD echo packets.
Table 4: BFD Control Packet Field Descriptions (Continued)
Field Description
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