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Specifying the external interface in UTM to UTM REDS

mrainey
I have a main office with branch office UTM's. (SG 310 and SG120), both on 9.313-3 I recently added a 10X10 fiber service at the home office. A special subnet connects via RED between the two offices, i.e. the RED is bridged to an internal lan interface at each site. Of course the RED connects over the original slow T1 interface at the home office. Is the RED defaulting to the externally resolved name of the home office UTM? Is there any way around this? I don't see anyway in the RED configuration to say what interface should be used.


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    If the SG 310 is the Server side of both RED tunnels, then you're right about the DNS change.  No, it won't break the clients.  You will just need to disable/enable the tunnels after the new DNS settings have propagated and you're sure that the 120s will do a new lookup in DNS.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0
    If the SG 310 is the Server side of both RED tunnels, then you're right about the DNS change.  No, it won't break the clients.  You will just need to disable/enable the tunnels after the new DNS settings have propagated and you're sure that the 120s will do a new lookup in DNS.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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