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Two DSL line, Backup line and Dinamic DNS


XG Firewall.

I will have two internet line, one primary anda a secondary line used for backup line.

The primary line have a Static IP for my services. eg: 111.111.111.111

The secondary line have too an Static IP eg: 222.222.222.222

If the primaty line fail the backup line (secondary line) must replace the primary line; and i know that that is possibile.
But, i have service in my lan (web server, mail server, and other) that work with an external DNS 3&***; level, eg: webserver.xyz.com and mailserver.xyz.com.

The DNS provider is configured with an A record that use the Static IP of Primary Line: example: record A : webaserver.xyz.com : 1111.1111.1111.1111

when the primary line fail, the dns name webserver.xyz.com point again to 111.111.111.111 instead of 222.222.222.222, and this is A BIG PROBLEM.

Is there a solution?

I figured this, by using the DynemicDNS feature (sophos provider) to:
1) the external DNS is configured with a redirect webserver.xyz.com -> webserver.myfirewall.co
2) configure the XG Firewall Dinamic DNS to swap the dinamic DNS webserver.xyz.com from 111.111.111.111 (Primary Line) to 222.222.222.222 (Secondary Line) when the primary line fail.
Is it possible?

Thank to everybody

Ettore

 



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Parents
  • there are different options ...

    1. search a DNS-failover-provider (this services monitor your different IP's and switch the DNS record if the primary connection is unavailable)

    2. you may create multiple records for your services ...

    - mail can use multiple MX-records ... create a MX record for the second IP too

    - most browser can handle multiple "A-records". create 2 A-records for webserver.myfirewall.co with 111.111.111.111 and 222.222.222.222

    - using DYNDNS-Service for your WenServices may work, but there are new problems: you will get no certificate for yourserver.dyndns-service.com

     

     


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

Reply
  • there are different options ...

    1. search a DNS-failover-provider (this services monitor your different IP's and switch the DNS record if the primary connection is unavailable)

    2. you may create multiple records for your services ...

    - mail can use multiple MX-records ... create a MX record for the second IP too

    - most browser can handle multiple "A-records". create 2 A-records for webserver.myfirewall.co with 111.111.111.111 and 222.222.222.222

    - using DYNDNS-Service for your WenServices may work, but there are new problems: you will get no certificate for yourserver.dyndns-service.com

     

     


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

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