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Slow speeds between interfaces

Astaronator
Hey all,

I have an Astaro configuration that uses the following

8 interfaces
eth0 - Internal (192.168.10.0/24)
eth1 - External (WAN) 
eth2 - DMZ (192.168.25.0/24)
eth3 - Internal 2 (192.168.5.0/24)
eth4 - External (WAN) 2
rest - unused

So everything seems to work well however,

I have a file server on the Internal network at IP 192.168.10.5
When users copy a large file from the Internal network, they receive great gigabit speeds. My speed test utility shows Write: 275.9 Mbps Read: 493.4 Mbps

When users from the Internal 2 network try to send a file to the server it is incredibly slow. Utility shows Write: 80.1 Mbps Read: 333.2 Mbps

Is there a networking rule I'm missing? I mean all the traffic flows fine, its just incredibly slow.

Any help is muchly appreciated.

-Astaronator


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  • 0
    If the server is in "Internal (Network)," then the users in that subnet will access it without transiting the Astaro.  Before changing anything, check the output of ifconfig eth0 from the command line.

    First thing would be checking the MTU and trying a new Ethernet cable from eth3 to the switch. You might try setting both the switch port and eth3 to 1Gbps Full instead of auto. You might need to reboot both devices to be certain that they re-negotiate to the fixed setting.

    Cheers - Bob
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  • 0
    If the server is in "Internal (Network)," then the users in that subnet will access it without transiting the Astaro.  Before changing anything, check the output of ifconfig eth0 from the command line.

    First thing would be checking the MTU and trying a new Ethernet cable from eth3 to the switch. You might try setting both the switch port and eth3 to 1Gbps Full instead of auto. You might need to reboot both devices to be certain that they re-negotiate to the fixed setting.

    Cheers - Bob
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