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LQ: NAT IP forwarding port of in the router will invalid after a period of time

LQ: NAT IP forwarding port of in the router will invalid after a period of time

When we use a CISCO router RV110W and make configure NAT for LQ service ports (Agent IC (IVC): 6001 and CCM (http): 80),

we find that if we test from an external IP, the port will be invalid after a period of time( several hours). The CCM port is the most likely to lose connection.

We checked and found that this router also enables UPnP. The reason may be the conflicting of UPnP and IP forwarding setting at firewall.

After we disable UPnP and just leave the NAT IP forwarding, the network is now stable.

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