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Forum Discussion
FVS338 Not Forwarding Packets
FVS338 Port Forwarding Failure
Hi,
Posted this query on another forum, but it's been suggested that I post it here. A port forwarding problem, started with an FVS318, now an FVS338, neither o...
Hi Tridac,
Using an FVS338, older model, but latest firmware from 2013 and reset defaults to start.
The latest firmware for the FVS338 is v3.1.1-08 which was posted last 2016. I suggest you to upgrade the firmware of your FVS338 to v3.1.1-08 then check if the same problem will occur. You can also perform a factory reset after upgrading the firmware to the latest version then reconfigure the setting from scratch in order to start clean using the latest firmware version. You can download firmware v3.1.1-08 here.
Just sharing the link below as reference about Forwarding Ports in the FVS338:
https://portforward.com/netgear/fvs338/
Regards,
DaneA
NETGEAR Community Team
Hi,
Thanks for the reply.I do have the latest firmware installed and did a factory settings reset after doing that and before reconfiguring the box. Just wondering what other dependencies there are in the setup that could be affecting things ?. Are there any undocumented diag commands to give more info on the log messages, internal routing and arp tables etc ?.
As i said, zenmap thinks telnet port 23 s open, but the box is dropping the packets, so sounds like an internal nat rule problem. Have no schedules defined either, that might be getting in the way...
Regards,
Chris
Regards,
Chris
Is the FVS338 router is behind to another router link as modem/router combo? If yes, this might cause a Double NAT setup.
Hi,
Thanks. The 338 wan side is on a secure subnet behind a hardware firewall, an experimental setup to show port forwarding works, before installing eleswhere. Overall data flow is:
Isp <-> hw firewall @192.9.200.254 <-> (338 wan side port @192.9.200.252 338 lan side port 10.10.10.250) <-> Lan host 10.10.10.150
Have remote management enabled initally, so I can login to the 338 from wan or lan side. Have tried the following:
- ping to wan host 192.9.200.254 from 338 diagnostics, works, so wan host ok
- ping to lan host 10.10.10.150 from 338 diagnostics, works, so lan host ok
- traceroute to google.com from 338 diagnostics, works, so dns handling ok
- 338 internal ntp client, sets time, works
So, it looks like the lan and wan networks and basic functions are up and ok.
Have just one incoming rule defined, telnet from anywhere on wan -> lan host 10.10.10.15, but drops packets.
Including a few screen shots as requested in a pm earlier...
I
Hi,
Bump, or is there a solution to this problem ?. Have tried everything I can, but if Netgear can't solve it., then I guess nobody can....
Regards,
Chris
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