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Add ingress low-TTL discard counter to interface and subinterface counters #1527

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Add ingress low-TTL discard counter to interface and subinterface counters #1527

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d3e3ea5
Add ingress low-TTL discard counter to subinterface counters
ostromart Jul 15, 2026
6434b38
Update release/models/interfaces/openconfig-interfaces.yang
ostromart Jul 28, 2026
843607c
Merge branch 'master' into feature/subif-in-low-ttl-discards
ostromart Jul 28, 2026
0c999f7
Move in-low-ttl-discards to common interface counters
ostromart Jul 31, 2026
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23 changes: 22 additions & 1 deletion release/models/interfaces/openconfig-interfaces.yang
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,15 @@ module openconfig-interfaces {
Section 4.c of the IETF Trust's Legal Provisions Relating
to IETF Documents (http://trustee.ietf.org/license-info).";

oc-ext:openconfig-version "3.8.1";
oc-ext:openconfig-version "3.9.0";

revision "2026-07-15" {
description
"Add ingress low-TTL discard counter to interface and
subinterface counters.";
reference
"3.9.0";
}

revision "2026-01-06" {
description
Expand Down Expand Up @@ -1006,6 +1014,19 @@ module openconfig-interfaces {
the Unix Epoch (Jan 1, 1970 00:00:00 UTC).";
oc-ext:telemetry-on-change;
}

leaf in-low-ttl-discards {
type oc-yang:counter64;
description
"The number of inbound packets received on the interface or
subinterface that were dropped due to an expired Time-To-Live
(TTL) or Hop Limit during transit forwarding, indicating TTL
expiration or routing loops.

Discontinuities in the value of this counter can occur
at re-initialization of the management system, and at
other times as indicated by the value of 'last-clear'.";
}
}

grouping interface-counters-state {
Expand Down
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