Hey @Xydocq - I was perusing the community and found your story. Why did it not work the day before, indeed? I'm right there with you. We have a very rare, and extremely hard to reproduce port configuration issue on the GX. We've yet to nab it and fix it. What I've seen happen only twice in several years is the ports can be set to drop untagged traffic on the GX LAN. I'm guessing you hit the lottery and encountered this problem, as evidenced by a port config change from Trunk to Access seemingly fixing the issue. I'm wondering if, indeed, that did do the trick. I never have any luck causing this problem in my lab. I'd hate to put you through that pain again, but if you are able to reproduce that deployment failure we'd love to hear more about it via a support case opened from the app settings menu. In regards to your question about firewall rules in one direction between two VLANS: currently this is a feature request. However, I'm happy to say it is on our roadmap to be able to set custom L3 firewall rules. You can't do it today, but hopefully you can sooner rather than later. Right now we have the "Secure" toggle on the VLAN which automatically writes L3 firewall rules on the firewall to block any traffic to/from that VLAN on the LAN.
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