GNS3
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Windows + ESXi + Realtek & 802.1q tagging
http://forum.gns3.net/topic8160.html
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Author:  xtropx [ Sun Jan 12, 2014 6:41 pm ]
Post subject:  Windows + ESXi + Realtek & 802.1q tagging

I've posted here before with tagging issues in Windows 8
I am having the same problem in Windows 7 in ESXi with Realtek NIC's and the ONLY conclusion I have been able to draw is that my NIC's are what are causing the problem.
I DO have a 802.1q trunk from pfsense to my 3750g which works great!
However, I just can't get GNS3 routers/switches to talk to my outside network.
What I am thinking about doing is purchasing a genuine Intel NIC that is on the ESXi HCL in hopes this will remedy the problem; namely:
Intel EXPI9402PTBLK http://www.newegg.com/Product/Product.aspx?Item=N82E16833106015
I would like to hear if anyone has had luck with Intel NIC's inside ESXi and tagging before I make this decision.

Image

Lab view:
http://i.imgur.com/6Pypct7.png

CDP works:
http://i.imgur.com/KgRKBFf.png

Monitor port gi1/0/6 (as you can see vlan tags are not present)
https://dl.dropboxusercontent.com/u/124 ... ure.pcapng

What do you guys think? This is pretty much driving me nuts.

Author:  xsimio [ Mon Jan 13, 2014 3:00 pm ]
Post subject:  Re: Windows + ESXi + Realtek & 802.1q tagging

The problem you see is because of the DRIVER for that specific OS for the device you are using.

I can tell you that the following model work very well out of the box, no tricks required. I tested it under Windows 7, Debian and Ubuntu. My Dynamips is on a VM on Ubuntu, VmWare running on Windows 7 and Q-and-Q working like a charm.

TRENDnet TE100-PCIWN PCI Network Card

The only problem I see is that it is not a Gigabit Adapter but only a 100 MBps one. No problems encountered until now because of this limitation.

I tested at least 10 different models, especially I was interested in the chipset not the model of the card. I was not able to make any Intel chipset work with VLAN tags, even if some users reported success on some specific chipsets. Also, I was not able to make any other Realtek chipset work with VLAN tags. This is the only Realtek chipset I could find which has driver code to handle VLAN tags.

Author:  xtropx [ Tue Jan 14, 2014 2:19 pm ]
Post subject:  Re: Windows + ESXi + Realtek & 802.1q tagging

Thanks for the recommendation. At less than 10$ I will most certainly give it a try - will let the board know the results.

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