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Thread: Forward all traffic to another server

  1. #1
    amnesia is offline Senior Member
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    Default Forward all traffic to another server

    I am moving a ZCS Open Source Edition server to another machine - same platform, same hostname. Essentially we are going to get Server B setup, then stop Server A, move all of the data to Server B, and then switch the DNS records so that the previous Server A hostname points to Server B.

    Is there any way to avoid propagation downtime by having Server A setup to forward all SMTP traffic to Server B for users who still have the IP cached?

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by amnesia View Post
    IIs there any way to avoid propagation downtime by having Server A setup to forward all SMTP traffic to Server B for users who still have the IP cached?
    Are you behind a firewall or NAT router?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    amnesia is offline Senior Member
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    Quote Originally Posted by phoenix View Post
    Are you behind a firewall or NAT router?
    No, these are both open public-facing servers.

    Oh, I see where you're going though... I bet we could do this with iptables.

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    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by amnesia View Post
    Oh, I see where you're going though... I bet we could do this with iptables.
    Yes, you could - that would mean no downtime for users.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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