RV042 and Multiple IPs

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by shadowmage, Apr 22, 2008.

  1. shadowmage

    shadowmage Addicted to LI Member

    Hello. I have a couple of RV042 that I want to use to replace an aging router that breaks down too often, and I need a bit of help.

    My network setup has multiple incoming IP addresses and 3 subnets internally. I was able to successfully configure and test the subnets and communicate to all machine from within the network (inside to inside on different subnets) so I have no problem there. What I do have a problem with is IP forwarding.

    I configured the Access rules to forward ip:port requests from one IP to one internally (proper nat). It seems when connected, the only IP the router responds to is the WAN IP, and none of the other multitude of IPs that I own.

    Is there a way to make the RV042 respond to the IP range and forward the necessary packets to their destination?

    Example of problem: Assigned IPs, GW, Wan IP -nat-> set in Access rules. Router does not respond to Seen as dead IP to outside world.
  2. shadowmage

    shadowmage Addicted to LI Member

    Is there no one else who has come up with such a problem or have any idea if the RV042 can support it?
  3. jwab

    jwab Addicted to LI Member

    Are you talking about accessing internally or externally?

    I assumed the router can only hold two WAN address as it has only two WAN ports.

    Are you trying to pass the WAN ip's to an internal device?
  4. shadowmage

    shadowmage Addicted to LI Member

    Yes. Although the router is programed with 1 IP in the WAN, I'd like it to respond to the other IPs that are directed to it. I figured setting up the firewall/nat to forward the other IPs to thier internal equivilents would make the router listen for those IPs as well.

    Is that possible, or am I trying to do the impossible with this type of router? (trying to save some cash instead of buying an expensive cisco router...)
  5. gdewey

    gdewey Addicted to LI Member


    mh I have the same neccesity. need multiple internet IPs on the same adapter. looks like you can only set one for each wan port :S
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