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Add RouterOS7 GRE Tunnel Support #3660

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Add RouterOS7 GRE Tunnel Support #3660

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7478ade
Add RouterOS7 GRE Tunnel Support
snuffy22 Jul 16, 2026
1ee84cd
Update to match GRE tunnel changes
snuffy22 Jul 17, 2026
3b815d7
Add in documentation for GRE / Static routes
snuffy22 Jul 18, 2026
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1 change: 1 addition & 0 deletions docs/module/routing-static.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ _netlab_ supports static routes on these platforms:
| FRR | ✅ | ✅ | ✅ | ✅ |
| Junos | ✅ | ✅ | ✅ | ❌ |
| Linux | ✅ | ❌ | ❌ | ❌ |
| Mikrotik RoutersOS 7 | ✅ | ✅ | ❌ | ❌ |
| Nokia SR Linux | ✅ | ✅ | ✅ | ❌ |
| Nokia SR OS[^SROS] | ✅ | ✅ | ✅ | ❌ |
| OpenBSD | ✅ | ✅ | ❌ | ❌ |
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1 change: 1 addition & 0 deletions docs/plugins/tunnel.gre.md
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Expand Up @@ -13,6 +13,7 @@ The plugin includes Jinja2 templates for the following platforms:
| FRR |✅|✅|✅|
| Juniper vJunos-switch |✅|✅|✅|
| Juniper vSRX |✅|✅|✅|
| Mikrotik RouterOS 7 |✅|✅|✅|
| VyOS |✅|✅|✅|

[^18v]: Includes Cisco IOSv, Cisco IOSvL2, Cisco CSR 1000v, Cisco Catalyst 8000v, Cisco IOS-on-Linux (IOL), and IOL Layer-2 image.
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14 changes: 13 additions & 1 deletion netsim/ansible/templates/initial/routeros7.j2
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Expand Up @@ -25,6 +25,12 @@
/ipv6/address add interface=loopback address={{ loopback.ipv6 }}
{% endif %}


{% for l in interfaces if l.type == 'tunnel' %}
{% set t_type = 'gre6' if l.tunnel.af == 'ipv6' else 'gre' %}
/interface/{{ t_type }} add name={{ l.ifname }} local-address={{ l.tunnel._source[l.tunnel.af] }} remote-address={{ l.tunnel._destination[l.tunnel.af] }}
{% endfor %}
Comment on lines +29 to +32

{% if vlans is defined %}
{% include 'routeros7.vlan.j2' %}
{% endif %}
Expand All @@ -34,7 +40,13 @@
{% endif %}

{% for l in interfaces|default([]) %}
{% set intf_type = 'vlan' if l.type == 'svi' else 'ethernet' %}
{% if l.type == 'svi' %}
{% set intf_type = 'vlan' %}
{% elif l.type == 'tunnel' and l.tunnel.mode|default('') == 'gre' %}
{% set intf_type = 'gre6' if l.tunnel.af == 'ipv6' else 'gre' %}
{% else %}
{% set intf_type = 'ethernet' %}
{% endif %}

{% if l.name is defined %}
/interface/{{ intf_type }} set comment="{{ l.name }}{{ " ["+l.role+"]" if l.role is defined else "" }}" {{ l.ifname }}
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6 changes: 6 additions & 0 deletions netsim/devices/routeros7.yml
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Expand Up @@ -5,6 +5,7 @@ support:
interface_name: ether{ifindex}
mgmt_if: ether1
loopback_interface_name: loopback{ifindex if ifindex else ""}
tunnel_interface_name: tunnel{ifindex}
ifindex_offset: 2
libvirt:
image: mikrotik/chr7
Expand Down Expand Up @@ -45,6 +46,11 @@ features:
bgp: True
vxlan:
vtep6: True
tunnel:
gre: [ ipv4, ipv6, vrf ]
routing:
static:
discard: true
Comment on lines +51 to +53
clab:
image: vrnetlab/mikrotik_routeros:7.21.4
build: https://containerlab.dev/manual/kinds/vr-ros/
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