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Author Topic: IPv4 endpoint is unreachable or unstable  (Read 3010 times)

EproMan

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IPv4 endpoint is unreachable or unstable
« on: December 04, 2010, 03:32:30 AM »

I am trying to Setup a Regular IPv6 Tunnel on the website http://tunnelbroker.net/ipv6_normal.php but i am receiving the error:
 
Error: Your IPv4 endpoint is unreachable or unstable. Please make sure ICMP is not blocked. If you are blocking ICMP, please allow 66.220.2.74 through your firewall.
Error: Your IPv4 endpoint is unreachable or unstable. Please make sure ICMP is not blocked. If you are blocking ICMP, please allow 216.66.84.46 through your firewall.

I am using Windows 7 x64 with a Netgear WNDR 3700 router.
 
In the router i have enabled ping response.
Set NAT to open.
Enabled a DMZ to my (static)computers ip address.
And have added static routers for the  66.220.2.74  and  216.66.84.46 ip addresses.
 
On my pc i disabled the firewall and virus protection.
 
My ip address is pingable, so ICMP is working.
 
Can anyone help me resolve the problem that i am not able to setup the tunnel?
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cholzhauer

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Re: IPv4 endpoint is unreachable or unstable
« Reply #1 on: December 04, 2010, 02:23:47 PM »

What is your IPv4 address?
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