asked on ONE IP does not work to a specific domain. All other IP's on the LAN block DO Work.
Pieces: Cisco 3845 router, connected to the Edge router at the Core. Customer has /30 WAN and /27 LAN.
x.x.x.1 is used on the Cisco, connected to x.x.x.2, customer firewall. When we go out to check, the customer cannot surf to a SPECIFIC domain, a .net, but can surf to every other domain on the planet, including the .com side of his domain. All other customers can surf to this .net address. The tricky thing is that if we connect directly to the router on gig 0/1, the LAN side, taking the firewall and LAN out of the picture with a ordinary laptop, assign the .2 address to that laptop, we still cannot reach the domain in question. However, and this is the weird part, if we assign our laptop ANY other IP in the LAN subnet, surfing is working just fine. Its JUST the .2 address...We are baffled...any help would be appreciated.
x.x.x.1 is used on the Cisco, connected to x.x.x.2, customer firewall. When we go out to check, the customer cannot surf to a SPECIFIC domain, a .net, but can surf to every other domain on the planet, including the .com side of his domain. All other customers can surf to this .net address. The tricky thing is that if we connect directly to the router on gig 0/1, the LAN side, taking the firewall and LAN out of the picture with a ordinary laptop, assign the .2 address to that laptop, we still cannot reach the domain in question. However, and this is the weird part, if we assign our laptop ANY other IP in the LAN subnet, surfing is working just fine. Its JUST the .2 address...We are baffled...any help would be appreciated.
* Cisco ISEWindows NetworkingNetworkingTCP/IP
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kenfcamp
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I'm not sure as I don't have access to that...only the customer does. The customer only sees that when they use another carrier, (They have dual carriers), that .2 address works, with us it does not. We do not block our own IP space in any way.. I have had MSP group, Engineers an NOC people scour this. We find nothing on our network that would prevent the block from reaching the site registered on GoDaddy, let alone just the first useable, .2 on the network.
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Again...i cant really say, But you two are the last two in a long line of people to say the same thing. its puzzling though that somedomain.com works and somdomain.NET does not. Would that still be the web server blocking the address?? I'm not as sharp on web servers as I once was. But it seems weird.
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I concur with @Paul MacDonald
Given that you indicated x.x.x.2 can go anywhere except that one location, it's really the only possibility IMO
Given that you indicated x.x.x.2 can go anywhere except that one location, it's really the only possibility IMO