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Forum Discussion
Duo V2 odd network behavior
I'm trying to diagnose a problem with a pair of Duo V2's. What I am finding is that they work fine dirrectly connected to a Netgear router and a Trendnet "green" switch, but not on a D-Link "green" switch. The problem seems to be that the switch does not see the NAS is even there and/or vice-versa. I can force a connection as follows: Plug NAS into switch, then plug in the NAS power supply. At this point, the NAS ethernet activity LED starts to flash and the switch shows a 100MBPS connection. If I then power up the NAS, it will usually remain connected, but only at 100MBPS. If I then disconnect and re-connect the ethernet cable, the communication is not restored when the physical connection is. Each will connect just fine at 1GBPS on the router or other switch.
It's not a cable problem. It would be easy to say it's a D-Link problem, but I think it may be a combination. Does the Duo V2 also have "green" ethernet technology? If so, is it possible to disable that? The appearance is that both devices are in a low power state, and neither triggers the other to power up. Some, but not all, D-Link unmanaged switches have the ability to disable EEE. This one, unfortunately, does not.
2 Replies
I reckon from your description it's clear that the problem is with the D-Link "green" switch.
mdgm wrote:I reckon from your description it's clear that the problem is with the D-Link "green" switch.
And, yet, it works with every other device connected to it, including other ReadyNASes. So, no, the problem clearly does not lie solely with the switch. It is an interaction between the two devices.
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