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Occasional Contributor wfjm
Occasional Contributor

NBN connection dropping ICMP (Ping) requests

I am trying to ping my Sagemcom Fast modem, the IP address is display under the WAN connection. I can tracert to the IP address, but I am unable to ping the address. I previously had an Optus Cisco modem with the option to turn the ICMP WAN requests on or off

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Occasional Contributor wfjm
Occasional Contributor

Re: NBN connection dropping ICMP (Ping) requests

Trying to call Optus doesn't work, an hour later still no callback,

 

Summary from the online conversations with Optus Tesch Support:

Optus does not have any documentation for the Sagemcom Fast 3864AC regarding settings on the WAN port

There is only the tech support to help and if they can't solve your issue they refer you to Premium Home Support. The customer needs to pay for any support from Premium Home Support.

There is also no Tier 2 or 3 support level 1 is the only support that Optus has,

The other support provided is to call Sagemcom, who don't answer their phones

 

So Optus can not support the devices that they have supplied with custom Optus firmware

 

 

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Occasional Contributor wfjm
Occasional Contributor

Re: NBN connection dropping ICMP (Ping) requests

After some further testing, the Sagemcom device is the issue, not sure if it is the Optus firmware or the base device. I have connected another router and it can ping the alternative router via the internet. Good news at least that they have only blocked port 25 and not ICMP on the NBN

 

 

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New Contributor StR
New Contributor

Re: NBN connection dropping ICMP (Ping) requests

 

Forget sagemcom for support ueseless.

 

If you want to be able to ping from a WAN address you just need to allow icmp requests.

 

In this modem:

Advanced Setup -> Security -> IP Filtering -> Incoming -> click add

 

Give the filter a name such as: ICMP

select the protocol: icmp

leave everyhting else blank

make sure your wan interface is ticked. 

apply/save you device should now repsone to ping from the wan interface.

 

 

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Occasional Contributor wfjm
Occasional Contributor

Re: NBN connection dropping ICMP (Ping) requests

Thanks StR worked a charm!!!

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Occasional Contributor i-love-honesty
Occasional Contributor

Re: NBN connection dropping ICMP (Ping) requests

what does this do?

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Occasional Contributor wfjm
Occasional Contributor

Re: NBN connection dropping ICMP (Ping) requests

Hi

 

The change allow you to ping the Sagemcom device from the internet. I have limited to 49.128.0.0/16. Easy way to check if there is network and device is up

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