I have an EdgeRouterX configured as a switch with Mesh Node A on eth0 and LAN (10) on eth1-eth4. Is there a way I can "disable default route" on just eth4?
I'd like to put a wireless AP on eth4 that allows access to the mesh LAN but NOT allow access to WAN (internet).
Any and all suggestions will be greatly appreciated as I'm a bit new to the finer points of network management and losing hair at an alarming rate. 
Many thanks,
julie /ac0wn
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EdgeRouterX Question
Thu, 12/13/2018 - 12:44
#1
AC0WN
EdgeRouterX Question
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The EdgeRouterX is baed on a linux kernel. As such it would have the ability to create custom firewall rules to look at the IP addresses and deny traffic on a given port from being passed on. You'd basically have to add a firewall rule in the EdgeRouterX OS that passes mesh 10.x.x.x and some 172.16.x.x addresses for tunnels, but blocks everything else (the default or unknown mesh addresses). This would need some advanced understanding of iptables and EdgeRouterX OS to figure out.
Joe AE6XE
Thank you for your comments Joe. You hit the nail on the head. I need someone with advanced understanding of iptables, EdgerouterX OS, policy routing, and firewall rules to help me figure out how to do this little trick. :)
julie /ac0wn
Joe AE6XE