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Add Bfd diagnostic code for when neighbor signaled session down. #1233

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Add Bfd diagnostic code for when neighbor signaled session down. #1233

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fc7bd12
Add Bfd diagnostic code for when neighbor signaled session down.
AnilKR123 Dec 16, 2024
52ddf09
Move NEIGHBOR_DOWN to the end of the enums list to preserve the origi…
AnilKR123 Dec 17, 2024
63bd254
Add comment about RFC5880 deviation.
AnilKR123 Dec 17, 2024
0041e2b
Merge branch 'master' into Bfd
AnilKR123 Jan 15, 2025
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20 changes: 19 additions & 1 deletion release/models/bfd/openconfig-bfd.yang
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,13 @@ module openconfig-bfd {

oc-ext:openconfig-version "0.3.0";

revision "2024-12-16" {
description
"Add Bfd diagnostic code for when
neighbor signaled session down. Specified in RFC5880.";
reference "0.3.1";
}

revision "2024-03-05" {
description
"Add configuration of min interval, multiplier when
Expand Down Expand Up @@ -192,10 +199,21 @@ module openconfig-bfd {
on the reverse path (i.e., in the transmit direction from the
destination to the source of the session) has failed.";
}
enum NEIGHBOR_DOWN {
value 8;
description
"The Bfd neighbor signaled session down - Bfd packet was received with
neighbor state down.";
}
}
description
"Diagnostic codes defined by BFD. These typically indicate the
reason for a change of session state.";
reason for a change of session state. The NEIGHBOR_DOWN diagnostic
was added to the enum at value 8 to avoid making a breaking change.
This deviates from RFC5880 where the enum is value 3. This also
shifts the following values by 1, in relation to RFC5880:
FORWARDING_RESET, PATH_DOWN, CONCATENATED_PATH_DOWN,
ADMIN_DOWN, REVERSE_CONCATENATED_PATH_DOWN.";
reference
"RFC5880 - Bidirectional Forwarding Detection, Section
4.1";
Expand Down