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RVL200 - port forwarding requires DHCP off?

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by lucaf, Mar 7, 2007.

  1. lucaf

    lucaf LI Guru Member

    I read in the manual that to be able to use port forwarding DHCP must be disabled.

    Page 27
    "NOTE: You must disable the Router’s DHCP function to use port forwarding."

    Is this still true even with latest releases?
     
  2. sirsquishy

    sirsquishy LI Guru Member

    In no router should you "have" to disable DHCP to enable port forwarding.


    You will need to assign Internal Static IP addresses for port forwarding to work though, or if you are using Applications that support UPnP you could just enable that.


    On top of that, you need to know your public IP address if you are looking to run services....but that a different issue.
     
  3. lucaf

    lucaf LI Guru Member

     
  4. lucaf

    lucaf LI Guru Member

    I just read in another section of the manual the following comment:

    "If you want to use static routing, the Router's DHCP settings must be disabled."

    which doesn't make any sense and I really hope is not true
     
  5. sirsquishy

    sirsquishy LI Guru Member

    Ill be as forward as I can with out stepping on yea.


    The External config ( ISP ) should be DHCP unless you are using a static IP cause your on a T1 or greater.

    The Internal Config can be either DHCP or Not. Port forwarding or using static IP's on the inside has NOTHING to do with DHCP being enabled or not. DHCP is there so you can plug in a unknown PC/laptop/WiFi device and have it grab an IP to send traffic out on your network. If DHCP is disabled, new Pc's/laptops cannot grab an IP address on their own and need to be assigned one from You.

    You can port forward/set Static IPs to your Internal Network with DHCP being enabled.

    I hope this clears it up, and I would trash that confusing manual, and go with what you should know already about networking, or google "Port Fowarding"
     
  6. Toxic

    Toxic Administrator Staff Member

    I have emailed a linksys contact and just had a reply. He confirms that the Note in page Page 27 stating:

    "NOTE: You must disable the Router’s DHCP function to use port forwarding."

    is incorrect. Port Forwarding WILL work with DHCP enabled.
     

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