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

    Joined:
    Jul 10, 2008
    #1
    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 - 192.168.1.203 ----- Gateway 192.168.1.100 ----- DSL 68.x.x.x
    NIC1 - 192.168.1.205 ----- Gateway 192.168.1.2 ----- 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

    Joined:
    Aug 15, 2005
    #2
    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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