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Not getting email in "New Cable Modem"

I am not sure if this is the right place but I must ask the question anyway.

I had to get a new cable modem from Comcast. The modem is a wired and wireless.
Cable modem address is 10.0.0.1
This goes directly to my Astaro Gateway "Ver9" box
The Astaro's network is set up as such.
192.168.1.1 = Astaro Gateway
and then I have 5 other computers on the same network 192.168.1.-

Would it matter if the Cable modem is on this different network "10.0.0.1"
If so should I change it to
192.168.1.200 ?
I can send mail out but I am not getting anything in.
I do have dyndns so they are changing the main IP as it changes and I am running a mailserver.

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0 BarryG over 12 years ago

Hi,

You've probably got several issues here.

1. can you browse the web?

2. what is your external IP address in the firewall?
As long as it is a public IP, and not a 10.x.x.x address, then leave the modem alone.
If your external IP is 10.x.x.x, then you need to BRIDGE the modem. As comcast for help, or google for the password for your modem model #.

3. Comcast will block incoming mail unless you have a business account.

Barry
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0 JamesSteen over 12 years ago in reply to BarryG

Thanks for the reply.

I do have internet access.
This is the way it is
My ip address from comcast is 68.48.130.?
This goes directly into their cable modem
The cable modem address is 10.0.0.1
The cable modem goes directly into the Astaro software gateway version 9
The address it is picking up from the cable modem is 10.0.0.2
External (WAN)
[Up]
on eth0 [10.0.0.2/24 | 2001:558:6020:132:183b:c569:ae53:a9ec/64]
MTU 1500 · DEFAULT GW 10.0.0.1
Added by installation wizard

Then it goes to ETH1

Internal
[Up]
on eth1 [192.168.1.1/24]
MTU 1500
Auto-created on installation

And that is my network.
I do not have a problem trying to stay up all night and changing the 6 total boxes but do I need to?
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0 BarryG over 12 years ago

You don't need to change your internal addresses, but you do need to bridge the modem (and then disable and re-enable Astaro's EXT interface or reboot).

Barry
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0 JamesSteen over 12 years ago in reply to BarryG

I do not know how to set this into bridge mode.
It is a
Touchstone
Telephony Gateway
TG862G/CT-0
By ARRIS

If anyone has experience please let me know.
I am in the web interface and do not see anything.
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0 BAlfson over 12 years ago

Just call Comcast tech support. I bet they can do it from their NOC in seconds.

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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0 JamesSteen over 12 years ago in reply to BAlfson

Ok. Once in BRIDGE mode it will be the same as the way it was correct?
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0 BAlfson over 12 years ago

Yup, just follow Barry's instructions.

Cheers - Bob

Sophos UTM Community Moderator
Sophos Certified Architect - UTM
Sophos Certified Engineer - XG
Gold Solution Partner since 2005

MediaSoft, Inc. USA
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0 JamesSteen over 12 years ago in reply to BAlfson

Thanks as always you guys come through for me "The little guy"

THANKS
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Not getting email in "New Cable Modem"

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