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EU.MARK USB 10/100M RJ45 Ethernet Network Adapter Dongle (MosChip MCS7830)

EU.MARK USB 10/100M RJ45 Ethernet Network Adapter Dongle (MosChip MCS7830)

8.79

5 (3 Reviews)

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  • Overall Rating: 5
  • Price: 5
  • Quality: 5
  • Ease Of Use: 5
  • Usefulness: 5
Works great as management interface for laptop – EU.MARK USB 10/100M RJ45 Ethernet Network Adapter Dongle (MosChip MCS7830) Reviews

posted by netmartin on 04/21/2012 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

Pros:
Works with any recent Linux distribution out of the box. It is reliable, no lockups or freezes. As rating suggests, build quality is very good.
Cons:
None really. As a note here I would mention that one may use some USB extension cable in case USB ports are close to each other. This adapter is wide enough to block adjacent USB ports.
Other:
I use it for laptops which have single gigabit LAN connection which is used to receive mirrored traffic from network switch. Thus I needed additional interface (100Mbit/s is more than enough) to control these laptops remotely. I bought two of them in July 2010 and I ordered another one since then. I've never tested it with any non-Linux OS.
Some outputs ...
[lsusb]
Bus 001 Device 004: ID 9710:7830 MosChip Semiconductor MCS7830 Ethernet
[ethtool]
driver: MOSCHIP usb-ethernet driver
version: 22-Aug-2005
firmware-version: MOSCHIP 7830/7730 usb-NET adapteusb-0000:00:1d.7-4
bus-info: usb-0000:00:1d.7-4
Settings for eth1:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: MII
PHYAD: 19
Transceiver: internal
Auto-negotiation: on
Current message level: 0x00000007 (7)
Link detected: yes
[lsmod]
usbnet 14943 1 mcs7830
mii 4381 2 mcs7830,usbnet
Bottomline:
I haven't done any latency or bandwidth benchmarks, but I have no indication that it should perform well. I use it as additional management interface and it does the job very well.

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