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Add support for SRv6 #1425

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72f5eaa
Add support for SRv6
cscarpitta Jan 12, 2026
30bed3b
Move hop-limit and traffic-class to openconfig-inet-types.yang
cscarpitta Jan 13, 2026
092cdef
Move SRv6 endpoint types to openconfig-inet-types.yang
cscarpitta Jan 13, 2026
4899185
Fix issues and bump openconfig-inet-types.yang to v0.9.0
cscarpitta Jan 13, 2026
cbc1ee8
Fix typo in identity
cscarpitta Jan 13, 2026
7f260ad
Merge branch 'master' into srv6_support
dplore Mar 13, 2026
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59 changes: 58 additions & 1 deletion release/models/aft/openconfig-aft-common.yang
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,13 @@ submodule openconfig-aft-common {
"Submodule containing definitions of groupings that are re-used
across multiple contexts within the AFT model.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down Expand Up @@ -366,6 +372,8 @@ submodule openconfig-aft-common {
"State parameters relating to IP encapsulation headers.";

uses aft-common-entry-nexthop-ip-state;

uses aft-common-entry-nexthop-ipv6-state;
}
}

Expand Down Expand Up @@ -639,6 +647,38 @@ submodule openconfig-aft-common {
}
}

grouping aft-common-entry-nexthop-ipv6-state {
description
"IPv6 encapsulation applied on a next-hop";

leaf-list srv6-sid-list {
type oc-inet:ipv6-address;
ordered-by user;
description
"Additional SRv6 SIDs set on the Segment Routing Header (SRH).";
}

leaf flow-label {
type oc-inet:ipv6-flow-label;
description
"Flow Label, used to identify a packet belong to a particular flow.
If this value is set, it overrides the hashing computed by the device
and forces the value configured.";
}

leaf traffic-class {
type oc-inet:ipv6-traffic-class;
description
"Traffic Class value to use for the encapsulated packet.";
}

leaf hop-limit {
type oc-inet:ipv6-hop-limit;
description
"Hop Limit value to use for the encapsulated packet.";
}
}

grouping aft-common-entry-nexthop-encap-gre-config {
description
"GRE encapsulation applied on a IPv4 and IPv6 next-hop.";
Expand Down Expand Up @@ -863,6 +903,23 @@ submodule openconfig-aft-common {
}
}

grouping aft-common-ipv6-state {
description
"Common parameters across IPv6 address family";

leaf srv6-endpoint-behavior {
type identityref {
base oc-inet:srv6-endpoint-type;
}
description
"Behavior type associated with the SID. The behavior types are
defined in the IANA SRv6 Endpoint Behaviors registry.";
reference
"IANA SRv6 Endpoint Behaviors registry
(https://www.iana.org/assignments/segment-routing/segment-routing.xhtml)";
}
}

grouping aft-next-hop-groups-structural {
description
"Logical grouping for groups of next-hops.";
Expand Down
8 changes: 7 additions & 1 deletion release/models/aft/openconfig-aft-counters.yang
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Expand Up @@ -18,7 +18,13 @@ module openconfig-aft-counters {
description
"Submodule providing a unified subtree for AFT entry counters.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-07-04" {
description
Expand Down
8 changes: 7 additions & 1 deletion release/models/aft/openconfig-aft-ethernet.yang
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,13 @@ submodule openconfig-aft-ethernet {
"Submodule containing definitions of groupings for the abstract
forwarding tables for Ethernet.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down
8 changes: 7 additions & 1 deletion release/models/aft/openconfig-aft-ipv4.yang
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,13 @@ submodule openconfig-aft-ipv4 {
"Submodule containing definitions of groupings for the abstract
forwarding tables for IPv4.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down
10 changes: 9 additions & 1 deletion release/models/aft/openconfig-aft-ipv6.yang
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Expand Up @@ -20,7 +20,13 @@ submodule openconfig-aft-ipv6 {
"Submodule containing definitions of groupings for the abstract
forwarding tables for IPv6.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down Expand Up @@ -238,5 +244,7 @@ submodule openconfig-aft-ipv6 {
}
}
uses aft-common-ip-state;

uses aft-common-ipv6-state;
}
}
8 changes: 7 additions & 1 deletion release/models/aft/openconfig-aft-mpls.yang
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,13 @@ submodule openconfig-aft-mpls {
"Submodule containing definitions of groupings for the abstract
forwarding table for MPLS label forwarding.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down
8 changes: 7 additions & 1 deletion release/models/aft/openconfig-aft-pf.yang
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Expand Up @@ -28,7 +28,13 @@ submodule openconfig-aft-pf {
fields other than the destination address that is used in
other forwarding tables.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down
8 changes: 7 additions & 1 deletion release/models/aft/openconfig-aft-state-synced.yang
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Expand Up @@ -16,7 +16,13 @@ submodule openconfig-aft-state-synced {
"Submodule containing definitions of groupings for the state
synced signals corresponding to various abstract forwarding tables.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down
8 changes: 7 additions & 1 deletion release/models/aft/openconfig-aft.yang
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Expand Up @@ -42,7 +42,13 @@ module openconfig-aft {
is referred to as an Abstract Forwarding Table (AFT), rather than
the FIB.";

oc-ext:openconfig-version "3.2.0";
oc-ext:openconfig-version "3.3.0";

revision "2026-01-12" {
description
"Add suport for Segment Routing over IPv6 (SRv6).";
reference "3.3.0";
}

revision "2025-08-07" {
description
Expand Down
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