Nexus OS VXLAN implementation

ipspace · Jul 23, 2022 · 548693e · 548693e
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diff --git a/docs/module-reference.md b/docs/module-reference.md
@@ -15,6 +15,7 @@ The following configuration modules are included in **netsim-tools** distributio
    module/sr-mpls.md
    module/vlan.md
    module/vrf.md
+   module/vxlan.md
 ```
 
 ## Common Routing Protocol Features
@@ -36,5 +37,4 @@ Experimental modules are usually implemented on a small set of devices. We're al
 
    module/evpn.md
    module/srv6.md
-   module/vxlan.md
 ```
diff --git a/docs/module/vxlan.md b/docs/module/vxlan.md
@@ -4,7 +4,7 @@ This configuration module configures VXLAN data plane, VLAN-to-VXLAN mapping, an
 
 The module supports the following features:
 
-* VLAN-to-VXLAN bridging
+* VLAN-to-VXLAN bridging implementing _VLAN-based Service Interface_ as defined in RFC 7432/RFC 8365.
 * Single VXLAN interface per device
 * Default loopback address used as the VTEP IP address
 * Static per-VLAN or per-node ingress replication
@@ -26,6 +26,10 @@ The following table describes per-platform support of individual VXLAN features:
 | Operating system   | VXLAN<br>bridging |
 | ------------------ | :-: |
 | Arista EOS         | ✅  |
+| Cisco Nexus OS     | ✅  |
+
+Notes:
+* Arista EOS and Cisco Nexus OS implement per-VLAN ingress replication lists
 
 ## Global Parameters
 

diff --git a/docs/platforms.md b/docs/platforms.md
@@ -181,39 +181,39 @@ The following interface addresses are supported on various platforms:
 (platform-routing-support)=
 Routing protocol [configuration modules](module-reference.md) are supported on these devices (use **[netlab show module-support](netlab/show.md)** command to display the current system settings):
 
-| Operating system      | OSPF | IS-IS | EIGRP | BGP |
-| --------------------- | :--: | :---: | :---: | :-: |
-| Arista EOS            | ✅   |  ✅   |   ❌   | ✅  |
-| Cisco IOS             | ✅   |  ✅   |  ✅   | ✅  |
-| Cisco IOS XE          | ✅   |  ✅   |  ✅   | ✅  |
-| Cisco Nexus OS        | ✅   |  ✅   |  ✅   | ✅  |
-| Cumulus Linux         | ✅   |   ❌   |   ❌   | ✅  |
-| Cumulus Linux 5.0 (NVUE)        | ✅   |   ❌   |   ❌   | ✅  |
-| Fortinet FortiOS      | [❗](caveats.html#fortinet-fortios) |   ❌   |   ❌   |   ❌   |
-| FRR 7.5.0             | ✅   |  ✅   |   ❌   | ✅  |
-| Juniper vSRX 3.0      | ✅   |  ✅   |   ❌   | ✅  |
-| Mikrotik CHR RouterOS | ✅   |   ❌   |   ❌   | ✅  |
-| Nokia SR Linux        | ✅   |  ✅   |   ❌   | ✅  |
-| Nokia SR OS           | ✅   |  ✅   |   ❌   | ✅  |
-| VyOS                  | ✅   |   ❌   |   ❌   | ✅  |
-| Dell OS10             | ✅   |   ❌   |   ❌   | ✅  |
+| Operating system      | OSPF | IS-IS | EIGRP | BGP | BFD |
+| --------------------- | :--: | :---: | :---: | :-: | :-: |
+| Arista EOS            | ✅   |  ✅   |   ❌   | ✅  | ✅  |
+| Cisco IOS             | ✅   |  ✅   |  ✅   | ✅  | ✅  |
+| Cisco IOS XE          | ✅   |  ✅   |  ✅   | ✅  | ✅  |
+| Cisco Nexus OS        | ✅   |  ✅   |  ✅   | ✅  | ✅  |
+| Cumulus Linux         | ✅   |   ❌   |   ❌   | ✅  |  ❌  |
+| Cumulus Linux 5.0 (NVUE)        | ✅   |   ❌   |   ❌   | ✅  |  ❌  |
+| Fortinet FortiOS      | [❗](caveats.html#fortinet-fortios) |   ❌   |   ❌   |   ❌   |  ❌  |
+| FRR 7.5.0             | ✅   |  ✅   |   ❌   | ✅  |  ❌  |
+| Juniper vSRX 3.0      | ✅   |  ✅   |   ❌   | ✅  | ✅  |
+| Mikrotik CHR RouterOS | ✅   |   ❌   |   ❌   | ✅  | ✅  |
+| Nokia SR Linux        | ✅   |  ✅   |   ❌   | ✅  | ✅  |
+| Nokia SR OS           | ✅   |  ✅   |   ❌   | ✅  | ✅  |
+| VyOS                  | ✅   |   ❌   |   ❌   | ✅  | ✅  |
+| Dell OS10             | ✅   |   ❌   |   ❌   | ✅  | ✅  |
 
 (platform-module-support)=
 Additional [configuration modules](module-reference.md) are supported on these devices (use **[netlab show module-support](netlab/show.md)** command to display the current system settings):
 
-| Operating system      | BFD | VLAN | VRF | VXLAN | MPLS | SR-MPLS | SRv6 |
-| --------------------- | :-: | :--: | :-: | :---: | :--: | :-----: | :--: |
-| Arista EOS            | ✅  |  ✅  | ✅  | ✅   | ✅   |    ✅   |  ❌   |
-| Cisco IOS             | ✅  |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |
-| Cisco IOS XE          | ✅  |   ❌  | ✅  |  ❌   | ✅   |    ✅   |  ❌   |
-| Cisco Nexus OS        | ✅  |  ✅  |  ✅ |  ❌   |  ❌   |    ❌    |  ❌   |
-| Cumulus Linux 5.0 (NVUE) | ❌ |   ❌  |[❗](module/vrf.md#platform-support)|  ❌   | ❌  |   ❌    |  ❌   |
-| Juniper vSRX 3.0      | ✅  |   ❌  |  ❌  |  ❌   |  ❌   |    ✅   |  ❌   |
-| Mikrotik CHR RouterOS | ✅  |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |
-| Nokia SR Linux        | ✅  |  ✅  |  ❌  |  ❌   |  ❌   |    ✅   |  ❌   |
-| Nokia SR OS           | ✅  |   ❌  |  ❌  |  ❌   |  ❌   |    ✅   |  ✅  |
-| VyOS                  | ✅  |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |
-| Dell OS10             | ✅  |  ✅  | ✅  |  ❌   |   ❌  |    ❌    |  ❌   |
+| Operating system      | VLAN | VRF | VXLAN | MPLS | SR-MPLS | SRv6 |
+| --------------------- | :--: | :-: | :---: | :--: | :-----: | :--: |
+| Arista EOS            |  ✅  | ✅  | ✅   | ✅   |    ✅   |  ❌   |
+| Cisco IOS             |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |
+| Cisco IOS XE          |   ❌  | ✅  |  ❌   | ✅   |    ✅   |  ❌   |
+| Cisco Nexus OS        |  ✅  |  ✅ | ✅   |  ❌   |    ❌    |  ❌   |
+| Cumulus Linux 5.0 (NVUE) | ❌ |[❗](module/vrf.md#platform-support)|  ❌   | ❌  |   ❌    |  ❌   |
+| Juniper vSRX 3.0      |   ❌  |  ❌  |  ❌   |  ❌   |    ✅   |  ❌   |
+| Mikrotik CHR RouterOS |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |
+| Nokia SR Linux        |  ✅  |  ❌  |  ❌   |  ❌   |    ✅   |  ❌   |
+| Nokia SR OS           |   ❌  |  ❌  |  ❌   |  ❌   |    ✅   |  ✅  |
+| VyOS                  |  ✅  | ✅  |  ❌   | ✅   |    ❌    |  ❌   |
+| Dell OS10             |  ✅  | ✅  |  ❌   |   ❌  |    ❌    |  ❌   |
 
 ## IPv6 Support
 

diff --git a/netsim/ansible/templates/vxlan/eos.j2 b/netsim/ansible/templates/vxlan/eos.j2
@@ -1,7 +1,8 @@
 interface vxlan 1
   vxlan source-interface loopback 0
-{% if vlans is defined %}
-{%   for vlan in vlans.values() if vlan.vni is defined %}
+{% if vxlan.vlans is defined %}
+{%   for vname in vxlan.vlans if vlans[vname].vni is defined %}
+{%     set vlan = vlans[vname] %}
   vxlan vlan {{ vlan.id }} vni {{ vlan.vni }}
 {%     if vlan.vtep_list is defined %}
   vxlan vlan {{ vlan.id }} flood vtep {{ vlan.vtep_list|join(' ') }}

diff --git a/netsim/ansible/templates/vxlan/nxos.j2 b/netsim/ansible/templates/vxlan/nxos.j2
@@ -0,0 +1,26 @@
+feature nv overlay
+feature vn-segment-vlan-based
+!
+{% if vlans is defined %}
+{%   for vname,vdata in vlans.items() if vdata.vni is defined %}
+vlan {{ vdata.id }}
+ vn-segment {{ vdata.vni }}
+!
+{%   endfor +%}
+{% endif %}
+!
+interface nve 1
+ source-interface loopback 0
+{% if vxlan.vlans is defined %}
+{%   for vname in vxlan.vlans if vlans[vname].vni is defined %}
+{%     set vlan = vlans[vname] %}
+ member vni {{ vlan.vni }}
+{%     if vxlan.flooding|default("") == "static" %}
+  ingress-replication protocol static
+{%       for peer in vlan.vtep_list|default([]) %}
+   peer-ip {{ peer }}
+{%       endfor %}
+{%     endif %}
+{%   endfor %}
+{% endif %}
+ no shutdown
diff --git a/netsim/topology-defaults.yml b/netsim/topology-defaults.yml
@@ -149,7 +149,7 @@ vlan: # VLAN support
       node: [ vlans ]
 
 vxlan: # VXLAN support
-  supported_on: [ eos ]
+  supported_on: [ eos, nxos ]
   requires: [ vlan ]
   domain: global
   flooding: static