TL-WDR4300 doen't allow echo replies to requests from the WAN interface??

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TL-WDR4300 doen't allow echo replies to requests from the WAN interface??

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TL-WDR4300 doen't allow echo replies to requests from the WAN interface??
TL-WDR4300 doen't allow echo replies to requests from the WAN interface??
2018-05-18 06:12:43
Model :

Hardware Version :

Firmware Version :

ISP :

Hi,

I have two win10 machindes and two dsl routers, a
1) TL-WDR4300 (WiFi enabled) and a
2) Fritz!Box 7490 (WiFi disabled)

TL-WDR4300:








[Firmware Version:
3.13.33 Build 130617 Rel.46239n
Hardware Version: WDR4300 v1 00000000]




A Laptop is connected to 1) (LAN or WiFi) and a Desktop to 2) (LAN)
1) (WAN) is connected to 2) (LAN) which is connected to the Internet.

I can ping from 1) to 2).
When I ping from 2) to 1) on 2) it times out (no answer).
On 1) in wireshark I see the message: "No response seen to ICMP request" (with the request coming from 2) to 1).

When I connect the Laptop directly to 2) the ping works fine (=> it's not due to the Laptop).

So, I thing it must be something on the DSL router 1).

Any ideas?

Thanks
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Re:TL-WDR4300 doen't allow echo replies to requests from the WAN interface??
2018-05-18 16:20:56
If you want to ping or access the device B which is connecting to TL-WDR4300 from the device A which is connecting to FritzBox, you need to open port for the device B on TL-WDR4300.
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Re:TL-WDR4300 doen't allow echo replies to requests from the WAN interface??
2018-05-18 20:51:04
Thanks flying snow,but it's about icmp, which doesn't have any port (It's neither a tcp nor a udp service)...
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