802.1X Clients lose WAN connectivity after exactly 60 minute

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stevey-t
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Joined: 12 Feb 2018
Posts: 1

PostPosted: Mon Feb 12, 2018 19:37    Post subject: 802.1X Clients lose WAN connectivity after exactly 60 minute Reply with quote
I'll apologize up front if this is a duplication, but my Googling and forum scanning have not helped me solve this problem...

I have my WRT3200ACM running build 34315 setup to use a Radius Server provided on my Synology NAS (FreeRadius). Everything works great with authentication, up until 60 minutes after connection, when the client loses all WAN connectivity, but still registers a LAN connection (IP, DNS, Gateway, etc). I have tried everything I can think of to isolate the fault, but nothing seems to work. Of note, I've looked at setting "Session-Timeout" manually in the FreeRadius config (rad_users) as well as adding the following line to my firewall per the advice I found on a forum that suggested the disconnects could be related to DHCP renewals being blocked by the firewall:

iptables -I INPUT -p udp --dport 68 -j ACCEPT

If anyone has encountered (and overcome) this issue, your assistance would be greatly appreciated.
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