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Uplink Failover Q

Dakrisht
I'm trying to configure our ASG220 to use a second Ethernet Connection as an Uplink Failover in case our first (primary interface on eth1) fails...

Here's how I have it set up so far:


eth0 - LAN
eth1 - primary WAN uplink
eth2 - DMZ
eth3 - unused
eth4 - secondary WAN uplink

In the configuration screen for eth4 what should I select in the drop-down for Uplink Failover (primary, secondary) and why?

Also, I believe that there can only be on Default GW (our eth1 in this case), if that link completely fails - how will the ASG220 recognize this issue and switch over to eth4 (uplink failover interface)

Some clarification and help on this would be much appreciated, thanks!


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  • 0
    if your eht1 is the primary interface then select “primary interface” and configure the Default gateway for this interface, enter an IP address to be checked (the ASG will ping this address every 5 seconds to make sure that the link is up), in eth 4 configuration select backup interface and also you can configure the default gateway for this interface
    Now when the ping fails for the IP address above the ASG will automatically switch to the backup interface until the primary interface is up again  

    HTH
  • 0 in reply to techuser
    thanks, techuser.

    that worked perfect.

    I do, however, have a question:

    When PRIMARY went down, SECONDARY picked up just fine... I then plugged PRIMARY back in, however the Astaro kept using SECONDARY (as it probably has no way to tell that PRIMARY is back up)... However, when I unplugged SECONDARY - the whole system didn't work.

    Could this be a feature request? --> When primary is down and secondary is being used, the moment primary gets back online than secondary is not used...

    Thanks...
  • 0 in reply to Dakrisht
    This will work differently in V7.4 and should fulfill your request.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
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