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rawb1's avatar
rawb1
Aspirant
Feb 27, 2016
Solved

Timemachine and dual Ethernet interfaces

OS version 6.4.2, OS X 10.11.3 (El Cap).

 

This ReadyNAS has two ethernet interfaces, which I had connected unbonded to the network.

 

All of the Macs on the network would attach and update the sparsebundle on the ReadyNAS for a while (say two days) and then each machine would start complaining that the destination did not exist. One solution would be to reboot the NAS and things would work for a while.

 

How I solved this is to simply unplug one of the NAS's ethernet ports and run on only one interface.

 

I would guess that there is a conflict in the NAS with Bonjour or other discovery services and some confusion as to which interface gets presented to the network. This seems to change with time.

 

I might eventually get a switch that supports bonding, but for now I'd like to be able to run both interfaces if possible ( I did pay for them after all)

3 Replies

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  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired

    Having two NICs with different I.P.s in the same address range is not recommeneded. There are teaming methods you can use that don't require a switch that supports and is configured to use 802.3ad LACP which you could possibly use till you get a switch that supports 802.3ad LACP. Or you could run on just the one NIC as you found worked for you.

    • StephenB's avatar
      StephenB
      Guru - Experienced User

      My main recommendation is to leave teaming off, unless you often have multiple simultaneous users.  Teaming doesn't improve single-user speeds.

       

      If you have enough users to benefit from it, and don't have switch support for LACP, then try ALB.

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