Cumulus Linux VXLAN support

docs/module/vxlan.md

@@ -23,18 +23,19 @@ The module requires VLAN module (to set up **vlans** dictionary) and should be u
 
 The following table describes per-platform support of individual VXLAN features:
 
-| Operating system   | VXLAN<br>bridging |
-| ------------------ | :-: |
-| Arista EOS         | ✅  |
-| Cisco Nexus OS     | ✅  |
-| VyOS               | ✅  |
-| Dell OS10          | ✅  |
-| Nokia SR Linux     | ✅  |
-
-Notes:
-* Arista EOS and Cisco Nexus OS implement per-VLAN ingress replication lists
-* Dell OS10 requires a IPv4 address for VXLAN.
-* Arista EOS seems not able to work with IPv6-only transport.
+| Operating system   | VXLAN<br>bridging | Per-VLAN<br>replication | IPv6 VTEP |
+| ------------------ | :-: | :-: | :-: |
+| Arista EOS         | ✅  | ✅  |  ❌  |
+| Cisco Nexus OS     | ✅  | ✅  |  ❌  |
+| Cumulus Linux      | ✅  | ✅  |  ❌  |
+| Dell OS10          | ✅  | ✅  |  ❌  |
+| FRR                | ✅  | ✅  |  ❌  |
+| Nokia SR Linux     | ✅  |  ❌  |  ❌  |
+| VyOS               | ✅  | ✅  | ✅  |
+
+```{note}
+* Nokia SR Linux needs EVPN control plane to enable VXLAN functionality. VXLAN ingress replication lists are built from EVPN Route Type 3 updates.
+```
 
 ## Global Parameters
 

docs/platforms.md

@@ -207,7 +207,7 @@ Additional [configuration modules](module-reference.md) are supported on these d
 | Cisco IOS             |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |
 | Cisco IOS XE          |   ❌  | ✅  |  ❌   | ✅   |    ✅   |  ❌   |
 | Cisco Nexus OS        |  ✅  |  ✅ | ✅   |  ❌   |    ❌    |  ❌   |
-| Cumulus Linux         |  ✅  |  ❌  |  ❌   |  ❌   |    ❌    |  ❌   |
+| Cumulus Linux         |  ✅  |  ❌  | ✅   |  ❌   |    ❌    |  ❌   |
 | Cumulus Linux 5.0 (NVUE) | ❌ |[❗](module/vrf.html#platform-support)|  ❌   | ❌  |   ❌    |  ❌   |
 | Juniper vSRX 3.0      |   ❌  |  ❌  |  ❌   |  ❌   |    ✅   |  ❌   |
 | Mikrotik CHR RouterOS |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |

netsim/ansible/templates/vxlan/cumulus.j2

@@ -0,0 +1,42 @@
+#!/bin/bash
+#
+# Exit immediately when any command fails
+set -e 
+#
+{%- macro create_vxlan_interface(vlan,vrf=None) %}
+#
+auto vxlan{{ vlan.vni }}
+allow-vxlan vni-{{ vlan.vni }}
+iface vni-{{ vlan.vni }}
+    bridge-access {{ vlan.id }}
+    vxlan-id {{ vlan.vni }}
+    vxlan-learning {{ "no" if vxlan.flooding|default("") == "evpn" else "yes" }}
+{% endmacro -%}
+#
+# Create VXLAN interfaces with static flood lists
+#
+cat >/etc/network/interfaces.d/60-vxlan <<CONFIG
+{% if vxlan.vlans is defined %}
+allow-vxlan lo
+iface lo inet loopback
+    vxlan-local-tunnelip {{ loopback.ipv4 }}
+#
+{%   for vname in vxlan.vlans if vlans[vname].vni is defined %}
+{%     set vlan = vlans[vname] %}
+{{ create_vxlan_interface(vlan,None) }}
+{%     if vlan.vtep_list is defined %}
+{%       for remote_vtep in vlan.vtep_list %}
+    vxlan-remoteip {{ remote_vtep }}
+{%       endfor %}
+{%     endif %}
+{%   endfor %}
+#
+allow-vxlan bridge
+iface bridge
+{%   for vname in vxlan.vlans if vlans[vname].vni is defined %}
+    bridge-ports vni-{{ vlans[vname].vni }}
+{%   endfor %}
+{% endif %}
+CONFIG
+ifreload --allow vxlan
+ifreload --allow vlanbridge

netsim/topology-defaults.yml

@@ -163,7 +163,7 @@ vlan: # VLAN support
       node: [ vlans ]
 
 vxlan: # VXLAN support
-  supported_on: [ eos, nxos, vyos, dellos10, srlinux, frr ]
+  supported_on: [ eos, nxos, vyos, dellos10, srlinux, frr, cumulus ]
   requires: [ vlan ]
   config_after: [ vrf ] # For platforms that suppport L3 VXLAN, vrfs must be created first
   domain: global

tests/integration/vxlan/vxlan-irb.yml

@@ -3,8 +3,7 @@ message: |
   VLANs and two VXLAN VNIs. Both switches perform inter-VLAN bridging, resulting
   in asymmetrical IRB.
 
-  All hosts should be able to ping each other and one of the switches' loopbacks
-  (due to the way static routes are set on hosts).
+  All hosts should be able to ping each other and all switch loopback IPs
 
   Please note it might take a while for the lab to work due to
   STP learning phase.