Xserve, 2 NIC's, and 2 ISP's

Discussion in 'Mac OS X Server, Xserve, and Networking' started by dannyg000, Nov 20, 2009.

  1. dannyg000 macrumors newbie

    Jul 10, 2008
    we currently have an Xserve for our public web and mail service. We are currently running both services through a DSL line but would like to drop the DSL and go to cable modem. My question is, can I connect each outside ISP to the Xserve's NICs and have the web and mail respond to data from both connections. I have access to our public DNS records.

    For example, I have two web sites so I can split them and try the set up.

    NIC0 - ----- Gateway ----- DSL 68.x.x.x
    NIC1 - ----- Gateway ----- Cable 70.x.x.x

    I tried moving one of the sites but mail would not work. I changed the settings under "web" to look at any IP and I also changed the mx record in DNS to point to .205. I see the connection on port 25 and it trying to be delivered to .205 through the xserve firewall log but I never see it show up in the mail smtp log.

    My goal is to change the DNS records so we can get rid of the DSL line but I am trying to avoid any down time.

    Is this possible or am I going down the wrong road.
  2. belvdr macrumors 603

    Aug 15, 2005
    No longer logging into MR
    Well, if you have static IPs on both you could put two MX records in, but that wouldn't load balance them.

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