RV082 DMZ machines not accessible from the Internet

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by hagen, Aug 14, 2006.

  1. hagen

    hagen Network Guru Member

    Our RV082 (FW 1.3.2) has its own static public IP (PPPoE). Additional static public IPs are provided on the same DSL phone line as a 248-subnet with totally different address. The RV082 is set to DMZ / subnet / address of the subnet (lowest) and mask 248.

    DMZ machines under Windows give the local router address as default gateway and can surf (how can they talk to a LAN address?).

    DMZ machines under Linux give the subnet address as default gateway and can surf.

    However, any DMZ machine cannot be reached from the Internet, even if no firewall is active in PC and in RV082. This is against the DMZ schoolbook. What am I doing wrong? Thank you in advance.
  2. Toxic

    Toxic Administrator Staff Member

    not too sure on this one since the helpfile states the obvious:
    So no firewall is active at all on the DMZ. All I can think of it either the IP/Subnet is wrong or your ISP has given you duff information or has a block on the Ip addresses your using. The info you have given to me seems right. contact your ISP for clarification because your having problems.
  3. hagen

    hagen Network Guru Member

    Thank you for the hints. After the weekend our ISP kicked in and resolved three issues. This DMZ setup was a mix of missing helpful description and my own faults, of course. You want DMZ if you have one PPPoE but more than one public static IP. This is not the common case. The Linksys recommendation "check with your ISP" is crucial for a successful setup. Make sure you know what the "default gateway" address is, it is mission critical in more than one place.
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