aristanetworks · gmuloc · Jul 21, 2026 · Apr 22, 2026 · Apr 27, 2026 · Apr 28, 2026
@@ -38,4 +38,5 @@ tenants:
             node: net-srv-l3-po-sub-interface-without-ip
 
 expected_error_message: >-
-  'l3leaf.nodes[name=net-srv-l3-po-sub-interface-without-ip].l3_port_channels[name=Port-Channel1111.100].ip_address' is required but was not found.
+  'l3leaf.nodes[name=net-srv-l3-po-sub-interface-without-ip].l3_port_channels[name=Port-Channel1111.100].ip_address or .ipv6_addresses'
+  is required but was not found.
@@ -0,0 +1,62 @@
+!
+no enable password
+no aaa root
+!
+vlan internal order ascending range 1006 1199
+!
+transceiver qsfp default-mode 4x10G
+!
+service routing protocols model multi-agent
+!
+hostname network-services-l3-interfaces
+!
+vrf instance MGMT
+!
+interface Ethernet11
+   description dual-stack-default-vrf
+   no shutdown
+   no switchport
+   ip address 10.0.11.1/31
+   ipv6 address 2001:db8:11::1/64
+!
+interface Loopback0
+   description ROUTER_ID
+   no shutdown
+   ip address 192.168.200.1/32
+!
+interface Loopback1
+   description VXLAN_TUNNEL_SOURCE
+   no shutdown
+   ip address 192.168.201.1/32
+!
+interface Vxlan1
+   description network-services-l3-interfaces_VTEP
+   vxlan source-interface Loopback1
+   vxlan udp-port 4789
+   vxlan vrf default vni 1
+!
+ip virtual-router mac-address 00:dc:00:00:00:0b
+!
+ip routing
+no ip routing vrf MGMT
+!
+ip prefix-list PL-LOOPBACKS-EVPN-OVERLAY
+   seq 10 permit 192.168.200.0/24 eq 32
+   seq 20 permit 192.168.201.0/24 eq 32
+!
+ipv6 unicast-routing
+!
+route-map RM-CONN-2-BGP permit 10
+   match ip address prefix-list PL-LOOPBACKS-EVPN-OVERLAY
+!
+router bfd
+   multihop interval 300 min-rx 300 multiplier 3
+!
+router bgp 200
+   router-id 192.168.200.1
+   update wait-install
+   no bgp default ipv4-unicast
+   maximum-paths 4
+   redistribute connected route-map RM-CONN-2-BGP
+!
+end
@@ -70,6 +70,19 @@ interface Port-Channel23
    no shutdown
    no switchport
 !
+interface Port-Channel33
+   description ipv6-cloud_Po33
+   no shutdown
+   no switchport
+   ipv6 address 2001:db8:1::1/64
+!
+interface Port-Channel44
+   description dual-stack-cloud_Po44
+   no shutdown
+   no switchport
+   ip address 10.10.30.2/29
+   ipv6 address 2001:db8:2::1/64
+!
 interface Port-Channel77
    description L3 Port-Channel without ip_address
    no shutdown
@@ -150,6 +163,13 @@ interface Port-Channel1113
    ip address 1.1.1.13/29
    ip ospf area 0.0.0.0
 !
+interface Port-Channel2000
+   description ipv6-cloud-testing_Po2000
+   no shutdown
+   no switchport
+   vrf TESTING
+   ipv6 address 2001:db8:3::1/64
+!
 interface Ethernet4
    description man descr inet-clout eth8
    no shutdown
@@ -193,6 +213,21 @@ interface Ethernet24
    no shutdown
    channel-group 23 mode on
 !
+interface Ethernet33
+   description ipv6-cloud_Ethernet33
+   no shutdown
+   channel-group 33 mode active
+!
+interface Ethernet45
+   description dual-stack-cloud_Ethernet45
+   no shutdown
+   channel-group 44 mode active
+!
+interface Ethernet46
+   description ipv6-cloud-testing_Ethernet46
+   no shutdown
+   channel-group 2000 mode active
+!
 interface Ethernet77
    description underlay-peer_Ethernet77
    no shutdown
@@ -243,6 +278,9 @@ ip prefix-list PL-LOOPBACKS-EVPN-OVERLAY
    seq 10 permit 192.168.255.0/24 eq 32
    seq 20 permit 192.168.254.0/24 eq 32
 !
+ipv6 unicast-routing
+ipv6 unicast-routing vrf TESTING
+!
 route-map RM-CONN-2-BGP permit 10
    match ip address prefix-list PL-LOOPBACKS-EVPN-OVERLAY
 !

@@ -0,0 +1,86 @@
+aaa_root:
+  disabled: true
+config_end: true
+enable_password:
+  disabled: true
+ethernet_interfaces:
+- name: Ethernet11
+  description: dual-stack-default-vrf
+  shutdown: false
+  ip_address: 10.0.11.1/31
+  ipv6_addresses:
+  - 2001:db8:11::1/64
+  metadata:
+    peer_type: l3_interface
+  switchport:
+    enabled: false
+hostname: network-services-l3-interfaces
+ip_igmp_snooping:
+  globally_enabled: true
+ip_routing: true
+ip_virtual_router_mac_address: 00:dc:00:00:00:0b
+ipv6_unicast_routing: true
+loopback_interfaces:
+- name: Loopback0
+  description: ROUTER_ID
+  shutdown: false
+  ip_address: 192.168.200.1/32
+- name: Loopback1
+  description: VXLAN_TUNNEL_SOURCE
+  shutdown: false
+  ip_address: 192.168.201.1/32
+metadata:
+  is_deployed: true
+  fabric_name: EOS_DESIGNS_UNIT_TESTS
+prefix_lists:
+- name: PL-LOOPBACKS-EVPN-OVERLAY
+  sequence_numbers:
+  - sequence: 10
+    action: permit 192.168.200.0/24 eq 32
+  - sequence: 20
+    action: permit 192.168.201.0/24 eq 32
+route_maps:
+- name: RM-CONN-2-BGP
+  sequence_numbers:
+  - sequence: 10
+    type: permit
+    match:
+    - ip address prefix-list PL-LOOPBACKS-EVPN-OVERLAY
+router_bfd:
+  multihop:
+    interval: 300
+    min_rx: 300
+    multiplier: 3
+router_bgp:
+  as: '200'
+  router_id: 192.168.200.1
+  maximum_paths:
+    paths: 4
+  updates:
+    wait_install: true
+  bgp:
+    default:
+      ipv4_unicast: false
+  redistribute:
+    connected:
+      enabled: true
+      route_map: RM-CONN-2-BGP
+service_routing_protocols_model: multi-agent
+transceiver_qsfp_default_mode_4x10: true
+vlan_internal_order:
+  allocation: ascending
+  range:
+    beginning: 1006
+    ending: 1199
+vrfs:
+- name: MGMT
+  ip_routing: false
+vxlan_interface:
+  vxlan1:
+    description: network-services-l3-interfaces_VTEP
+    vxlan:
+      source_interface: Loopback1
+      udp_port: 4789
+      vrfs:
+      - name: default
+        vni: 1
@@ -90,6 +90,26 @@ ethernet_interfaces:
     peer: inet-cloud
     peer_interface: Ethernet24
     peer_type: l3_port_channel_member
+- name: Ethernet33
+  description: ipv6-cloud_Ethernet33
+  shutdown: false
+  channel_group:
+    id: 33
+    mode: active
+  metadata:
+    peer: ipv6-cloud
+    peer_interface: Ethernet33
+    peer_type: l3_port_channel_member
+- name: Ethernet45
+  description: dual-stack-cloud_Ethernet45
+  shutdown: false
+  channel_group:
+    id: 44
+    mode: active
+  metadata:
+    peer: dual-stack-cloud
+    peer_interface: Ethernet45
+    peer_type: l3_port_channel_member
 - name: Ethernet4
   description: man descr inet-clout eth8
   shutdown: false
@@ -114,6 +134,16 @@ ethernet_interfaces:
     peer: inet-cloud
     peer_interface: Ethernet9
     peer_type: l3_port_channel_member
+- name: Ethernet46
+  description: ipv6-cloud-testing_Ethernet46
+  shutdown: false
+  channel_group:
+    id: 2000
+    mode: active
+  metadata:
+    peer: ipv6-cloud-testing
+    peer_interface: Ethernet46
+    peer_type: l3_port_channel_member
 flow_tracking:
   sampled:
     sample: 10000
@@ -159,6 +189,7 @@ ip_igmp_snooping:
   globally_enabled: true
 ip_routing: true
 ip_virtual_router_mac_address: 00:dc:00:00:00:0a
+ipv6_unicast_routing: true
 loopback_interfaces:
 - name: Loopback0
   description: ROUTER_ID
@@ -233,6 +264,29 @@ port_channel_interfaces:
     peer_type: l3_port_channel
   switchport:
     enabled: false
+- name: Port-Channel33
+  description: ipv6-cloud_Po33
+  shutdown: false
+  ipv6_addresses:
+  - 2001:db8:1::1/64
+  metadata:
+    peer: ipv6-cloud
+    peer_interface: Po33
+    peer_type: l3_port_channel
+  switchport:
+    enabled: false
+- name: Port-Channel44
+  description: dual-stack-cloud_Po44
+  shutdown: false
+  ip_address: 10.10.30.2/29
+  ipv6_addresses:
+  - 2001:db8:2::1/64
+  metadata:
+    peer: dual-stack-cloud
+    peer_interface: Po44
+    peer_type: l3_port_channel
+  switchport:
+    enabled: false
 - name: Port-Channel1111
   description: Description list
   shutdown: false
@@ -336,6 +390,18 @@ port_channel_interfaces:
     peer_type: l3_port_channel
   switchport:
     enabled: false
+- name: Port-Channel2000
+  description: ipv6-cloud-testing_Po2000
+  shutdown: false
+  vrf: TESTING
+  ipv6_addresses:
+  - 2001:db8:3::1/64
+  metadata:
+    peer: ipv6-cloud-testing
+    peer_interface: Po2000
+    peer_type: l3_port_channel
+  switchport:
+    enabled: false
 - name: Port-Channel22.100
   description: inet-cloud-sub100_Po22.100
   shutdown: false
@@ -451,6 +517,7 @@ vrfs:
   ip_routing: false
 - name: TESTING
   ip_routing: true
+  ipv6_routing: true
   metadata:
     tenants:
     - L3PO

@@ -0,0 +1,44 @@
+---
+# This yml file is being used to test ipv6_addresses support for l3_interfaces under network_services
+type: l3leaf
+l3leaf:
+  defaults:
+    loopback_ipv4_pool: 192.168.200.0/24
+    vtep_loopback_ipv4_pool: 192.168.201.0/24
+    virtual_router_mac_address: 00:dc:00:00:00:0b
+  nodes:
+    - name: network-services-l3-interfaces
+      id: 1
+      bgp_as: 200
+
+tenants:
+  - name: L3INTF
+    mac_vrf_vni_base: 30000
+    vrfs:
+      - name: default
+        vrf_id: 1
+        bgp:
+          enabled: false
+        l3_interfaces:
+          # IPv6-only in default VRF: tests that ipv6_unicast_routing global flag is set
+          - interfaces: [Ethernet10]
+            nodes: [network-services-l3-interfaces]
+            ipv6_addresses: ["2001:db8:10::1/64"]
+            enabled: true
+            description: "ipv6-only-default-vrf"
+          # Dual-stack (IPv4 + IPv6) in default VRF
+          - interfaces: [Ethernet11]
+            nodes: [network-services-l3-interfaces]
+            ip_addresses: ["10.0.11.1/31"]
+            ipv6_addresses: ["2001:db8:11::1/64"]
+            enabled: true
+            description: "dual-stack-default-vrf"
+      - name: L3INTF_TEST
+        vrf_id: 2
+        l3_interfaces:
+          # IPv6-only in non-default VRF: tests VRF-level ipv6_routing set and ipv6_unicast_routing global flag also set
+          - interfaces: [Ethernet12]
+            nodes: [network-services-l3-interfaces]
+            ipv6_addresses: ["2001:db8:12::1/64"]
+            enabled: true
+            description: "ipv6-only-non-default-vrf"