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How to enable Gigabit on a dual-nic?

Because of the physical placement of the Astaro gateway and my WHS, I installed a Intel 1000MT Pro Dual-port Gigabit NIC to use in bridge mode so that the Astaro box and WHS will reside beside each other, and the rest of the computers and switch elsewhere.

The problem I'm having now though is that the Bridge I created with the dual-nic is apparently not connected at Gigabit speeds, as the connection is maxing out around 44Mbps. When the WHS was connected directly to the switch, I could easily get 600Mbps+ on the gigabit enabled computers.

So the obvious question is, how do I enable to the dual-nic/Bridge on the Astaro box run at gigabit speeds?


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  • This sounds like a hardware problem.  Maybe a bad cable, maybe a bad NIC, maybe a bad port on the switch.

    Before trying those, try lowering the MTU on the bridge.  If that doesn't work, you might try going to the 'Hardware' tab in "Network >> Interfaces' and setting the NIC speeds manually instead of 'Auto negotiation'.  Try several different settings for each interface to see if any works.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
Reply
  • This sounds like a hardware problem.  Maybe a bad cable, maybe a bad NIC, maybe a bad port on the switch.

    Before trying those, try lowering the MTU on the bridge.  If that doesn't work, you might try going to the 'Hardware' tab in "Network >> Interfaces' and setting the NIC speeds manually instead of 'Auto negotiation'.  Try several different settings for each interface to see if any works.

    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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