Port forwarding only allowing 1 TCP connection at a time
the601group
Enthusiast - Level 1

Can someone explain why my port forwarding with this router is only allowing one TCP connection at a time? When running Wireshark, ports from internal are sending to the device, but only ONE TCP connection at a time is receiving. Multiple SYN messages sent from the various ports on the application side, however only one will respond, resulting in multiple TCP Retransmissions from those various ports.

 

Router Details:

Firmware Version
3.2.0.10
Hardware Version
4.0
Model Name
FSNO21VA
Serial Number
ABH30603463
 
Broadband Physical Connection
Cellular
Router has been active for
0 day(s) 0 hours 34 minutes 30 seconds
LED Status
Wi-Fi has been turned off
 
Modem
Firmware Version
NIS-SDX62-817A-0000-B01
 
 
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