Is my right Ethernet Port Broken?

05Apr2014
I bought a new Mac Pro with all the features. There are two Ethernet ports on the bottom of the periferal ports.
I am able to connect with an Airport Extreme (Generation 3) wiht the left port. The connection does not work on the right ethernet port.
Is the right ethernet port broken? I only had the computer for a few weeks.
Also, I can not see the Airport Extreme (Gen 3, March 2009) when I use the Airport Utility.   Is that model of Airport Extreme compatible wiht the new late 2013 Mac Pros?
I prior to getting the new Mac Pro, I had a 2007 Imac connected to a mac laptop.   I had both computers connected to the Airport Extreme using ethernet cables.
Now I use the Imac connected wirelessly to the Airport Extreme and the same laptop plus the mac pro are connected using ethernet cable. However, I can connect the Imac and laptop like before, but I can not connect any computer wiht the Mac Pro.
I also installed McAfee Internet Security sotware which maybe causing my connection problems.
I configured the network years ago and forgot how to connect computers together.
Does the right side ethernet port need to be repaired?   Is the Airport Uthility software compataible with new Mac Pro?
I'd appreciate any help wth these issues.
chhenden

06Apr2014
RE: The two ethernet ports:
     I only need one port. It is connected to an Airport Extreme (which has a laptop connected with an ethernet cable).
     The port on the right is closer to the Airport Extreme, but it does not work.   This is meerly a frustration that a port to a brand new machine (Mac Pro).
      I get the internet. I have a cable modem connected via ethernet cable to the Airport Extreme.    I have a Imac connected by WYFI and the laptop and Mac Pro conneced to two of the ethernet ports of the Airport Extreme.
      My next goal is to network the three computers, which I used to be able to do. I have a Airport Dock, connected to a DVD player and two Tivo boxes. I lost the connctivity of the Airport Dock, so my Tivoes are not working right.
       Yesterday was a frustrating day! I am certainly not a trained network manager.   I don't know what I did to loose the connections and I compleltly forgotten how to get the connectivity back.
Thank you for your help!   I want my brand new Mac Pro to work perfectly!   I forgot how furstraiting it was years ago to confiigure computers.
Regards,
     chhenden

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http://www.lacomputercompany.com/cgi-bin/rpcart/index.cgi?command=dispitem&type= sku&sku=10061
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pci14e4,4353:
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I do not have any answers for you. Yes it appears to be reading what should be an ethernet card as an AirPort card. Have you played around with trying to install another version of Mac OS X other than the version that shipped with the Mac mini? Apple has long told us that we should not install a version of Mac OS X that was older than the shipping version. With the Mid 2010 Mac mini, the Restore DVD has the only version of Snow Leopard that will work with this Mac mini's specific hardware. At least until Apple releases 10.6.5. If you have installed other versions of Mac OS X, then erasing the HDD and installing the OS from the Restore DVD(s) that shipped with the mini may get you back to the point you need to be.
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Airport Extreme - creating a wired local network from a cellular hotspot without ethernet ports?

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I've recently moved to a particularly rural area with no wired internet access to speak of (well, I suppose there is dial-up, but... yeah). I've tried several different wireless varieties including satellite, the AT&T Elevate 4G hotspot and a service that used an EVDO-cellular solution(a sprint-based reseller). The former had serious latency issues which I had predicted and so was right-out. The last had signal coverage problems which their maps did not accurately reveal. Their potential mitigation was to have me invest even more money into a super-mega antenna to be roof-mounted. And even that was an uncertain fix. The AT&T solution with the 4G hotspot has been AMAZING so far and I love it. Coverage is great, latency and bandwidth fantastic.
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The Elevate has no ethernet ports. Only WiFi and USB network connectivity.
The Elevate does not appear to have settings available to create a WDS network-- so it cannot be "Extended" via those methods, either, as far as I am able to tell.
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Current set-up:
AT&T Elevate 4G hotspot
WiFi connected devices(rotating since Wifi connection count is limited): Mac PC, 2 iPads, 3 iPhones, Apple TV, a Nokia mini-tablet, a Kindle fire, Wii, XBox 360, an old dell laptop issued by my office.
Apple Aiport Extreme base station
Wired connections: blueray player, television, satellite TV pay-per-view uplinky device thing.
Please, tell me your thoughts?

Had the same issue here. Here is the best solution I have found so far:
Hotspot + Pepwave Max On-The-Go (w/ Load Balancing) + Airport Extreme
I have a VZW MiFi, but I believe this set-up will work with other hotspot devices. I actually have 2 MiFi Hotspots with a monthly allowance of 20G each. They are plugged directly into the Pepwave router (aka, tethered). (Note: you have to have the right cable to do this. The one that came with my Hotspot was only for charging.) If, for some reason, you cannot tether with your Hotspot device, you want a router that offers WiFi as WAN. The Pepwave will do this. The Pepwave is connected to my Airport Extreme via ethernet cable. I have the WiFi on the MiFis and the Pepwave turned off. So the only visible network is my Airport Extreme. The Pepwave is essentially just functioning as a modem.
I used to have a Cradlepoint, but I did not find it very user friendly--too complex for home use. The Pepwave Max OTG is awesome. I got the one with Load Balancing so it allows you to connect up to 4 cellular devices. If you only need the one Hotspot, you can just get the cheaper Pepwave Max OTG. The Pepwave allows me to run off one of the MiFis until I hit my 20G/month allowance, then it automatically switches to the other one. That way I never max-out on my monthly data allowance. Additionally, it gives you a real-time, hourly, daily and monthly running tally on data usage.
The guys at the 3Gstore are excellent and can help you figure out the best solution for your situation.

RT: How do I use two independent Ethernet ports?

I have looked around at the forums and seems like no one has had a real solid answer or example on how to use 2 Ethernet ports with RT.
Right now I have two connections configured on the RT:
Primary Connection:
IP:192.168.2.181
Subnet mask: 255.255.255.0
Gateway: 192.168.1.1
DNS Server: 192.168.1.1
Secondary Connection:
IP:192.168.1.180
Subnet mask: 255.255.255.0
Gateway: 192.168.1.1
DNS Server: 192.168.1.1
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The computer I'm using to send the data is connected to a switch, which in turn is connected to the RT. Both the RT and my host computer have 2 ports, one of them with ports configured to be 192.168.2.x and 192.168.1.x
Using this configuration I get some weird results:
If I send a packet to 192.168.2.181, I receive it from the UDP Receive vi that has an input connection from my UDP Open assigned to 1.180. I also receive the data the same way when sending packets to 1.180 (as expected). Basicly, no matter what IP I'm sending it to on the RT, the data from either packet will arrive from the same location/vi.
Why is this? Is there anyway to fix this? Did I not configure something correctly?
Does anyone have an example of dual Ethernet ports actually working with LabView RT?
I tried checking out "KnowledgeBase 3VQ6278T: Can I Use Multiple Network Adapters in a PXI or Desktop Real-Time System?", but after following the link to the page, I get:
"Error You are not authorized to view this document". Can any NI people look into this?
Having to make two IPs with different subnet masks obviously just makes things unnecessarily complicated. Can anyone tell me why LabView/NI did this? I know for a fact this isn't a limitation in hardware.
Any help would be greatly appreciated, thanks!

Hey Weizbox.
Sorry to hear you're having such a difficult time using multiple ethernet devices with RT.
Let me go ahead and get the easy stuff out of the way, the link you
have is dead because it's archived (and thus removed forever) though
unfortunately the link on ni.com wasn't corrected to point to the
following resource, which the KB was a word-for-word duplication of
(which is supposedly why it was removed):
http://zone.ni.com/reference/en-XX/help/370622C-01/lvrthelp/configuringdual/
Unfortunately, though, it's much less useful than it sounds.
Before you start feeling like a woodpecker in a petrified forest, lemme
fill you in on why the requirement is there for the two ethernet NICs
to be on seperate subnets. Simple enough, it has to do with the
network stack on both of the operating systems used for LabVIEW
Real-Time - however, the same falls true for even Windows (without
using fancy vendor-specific drivers), so let's not be too hasty.
Neither PharLap ETS nor VxWorks, the two OS's used under the hood,
support redundant network ports. Because of this, if you give two (or
more in the case of PXI and RT Desktop) ethernet devices IP addresses
on the same subnet the routing tables in the network stack get horribly
confused and literally cannot resolve the proper adapter, which either
brings down the ethernet on the entire system or makes it such that one
or more network adapters becomes useless and one adapter takes over all
network traffic (there's no way to predict which adapter that will be,
nor can you control it based on what's plugged in and what's not). On
Windows this is handled by bridging the adapters, but RT does not yet
support bridging (that opens a whole nother can of worms). Long story
short, you still wouldn't be able to give both NICs individual IP
addresses on the same subnet.
Let's take that even one more step. You cannot simply just assign both
ethernet NICs different IP addresses on "virtual" subnets, you actually
need to put both NICs on literally different subnets for the network
routing to actually work. Multiple ethernet devices for LabVIEW RT
were designed with the following mantra in mind - "The FIRST ethernet
device is designed for a TCP/IP network, the SECOND and SUBSEQUENT
ethernet device is designed for OTHER protocol uses." By "OTHER
protocol uses" I mean the second NIC should be used for RT
Deterministic Ethernet (PXI, RT Desktop, et. al.), direct connections
with other targets, and 3rd party or custom ethernet protocols.
Now, realistically, we can't expect users to not use the second NIC for
TCP/IP use, nor should we. However, if you ARE going to use TCP/IP on
the second NIC, you should only use the second NIC for connecting to an
unroutable network in the eyes of the first NIC. So, for instance, the
FIRST NIC can have an IP address of 10.0.62.128, but the SECOND NIC
would need to have an IP address on 192.168.100.23 - and the
10.0.62.128 should not be able to route a TCP packet to the 192.168.x.x
network, and vice versa. In your example I noticed that both networks
used the same Gateway - unless your Gateway is configured to identify
and seperate the two networks, it's not going to end well, and you
shouldn't expect to be able to send data from one NIC to the other NIC
(at least with what you know now). To reiterate, using multiple NICs
using TCP/IP should only be done in cases where you've got (n-1)
isolated subnets, where n is the number of NICs you have using TCP/IP.
A classic example of this is a command-based measurement environment;
the RT system uses the FIRST NIC to talk to a TCP/IP network, in order
to transfer data or provide status to a network, and the second NIC is
connected to a TCP/IP network designed specifically for measurement or
control, where one node sends commands to a single or multiple nodes on
the network at once to perform tasks (like "Take a Measurement", "Stop
a motor", "Bake me a Pie", etc...). The isolated TCP/IP subnet is free
from "random" TCP/IP traffic (especially system announcement
broadcasts) and can have whatever topology/configuration it wants. The
dual networking allows the RT system to work/communicate/perform on
both networks.
I hope this helps shed some light on your situation.
Cheers!
-Danny

How can I get on the internet with my newly purchased used G5 Power Mac if my ethernet port failed?

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Seriel # G8******QPM
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< S/N Edited By Host >
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Sorry, the 2ndlink should be...
http://eshop.macsales.com/item/NewerTech/MXP2802NU2C/
Fully Mac OS X supported with with on-screen
menu set-up and full user manual.
http://eshop.macsales.com/item/Asus/USBN10/
OS Support Mac 10.4/10.5/10.6
I don't have those exact models, but have seen others here use them.

Can I convert a PB 1400's PC card port to a ethernet port for file sharing?

My plan here is to connect a PowerBook 1400cs/133 running OS 8.6 to an iBook G4 running OS 10.4 by means of an ethernet crossover cable, and move my important files (ClarisWorks 4.0 docs and games mostly) to the new computer. But the PB 1400 has no ethernet port! Is there something I can put in the PC card slot that will convert it to an ethernet port?

jpl, Denis, here's my setup:
The PB 1400 is connected to the iBook via a Farallon EtherWave/EtherMac Ethernet PC Card (with a blue arrow, PCMCIA 2.1, PC Card Standard). I have the Farallon software installed and the Farallon extension turned on. A "Farallon EN Card" icon appears on my desktop, and the little light on the cord where it connects to the card is green. I used to use the card to connect to the internet back in the day when the 1400 was my primary computer, so I'm confident it works.
The PB 1400 (name: Ben's PowerBook 1400): AppleTalk, configured to connect via alternate ethernet. File sharing, on. TCP/IP, connected via AppleTalk (Mac IP). I've tried configuring that both "Using Mac IP server" and manually by entering in the iBook's IP address and router address (the 1400 is not connected to the internet). As far as I can tell, Users/Groups is configured; it has "Ben" as "user" and "Guest" as "guest user."
The iBook (name: Ben's iBook G4) is set up basically identical to the way jpl describes his iMac above. Like his, the services panel of sharing on the iBook says "Other Macintosh users can access your computer at afp://x.x.x.6." I also manually entered the iBook's IP address, subnet mask, and router. Under my shared location, under Built-in Ethernet, TCP/IP is configured and AppleTalk is active.
Still, file sharing is not working. When I try to access the iBook from the 1400, I go to the Chooser, click the AppleShare icon, and "Ben's iBook G4" in the file server window. When I select it and click OK, I go to a screen to enter my name (Ben) and password as a registered user. I'm not sure if the password it wants is the file sharing password I set up for the 1400 or the administrator password for the iBook, so I tried them both. I also tried connecting as a "guest." In all cases, after I hit the "Connect" button, I got the error message "The connection to this server has been unexpectedly broken."
No luck going the opposite direction either. When I go to Go: Connect to Server: Browse on the iBook, "Ben's PowerBook 1400" appears in the Network area, but when I select it and hit the "connect" button, I get this error message: "The file server uses an incompatible version of the AFP protocol. You cannot connect to it."

The ethernet port on the thunderbolt display is not working

The ethernet is working when the cable is connected directly to my mac laptop but when connected the thunderbolt display there is no connection. Is there some type of set up for the ethernet connection or can this port just be broken?
Thanks for the help!

Afterthought on an older post: it isn't immediately clear that the Ethernet port on the Thunderbolt Display works through the "Display Ethernet" interface, rather than through the "Thunderbolt Ethernet" interface. The latter was already present in the list of network interfaces in Network Preferences, while the former had to be added via the + button --- at least that was the case when I installed the TB display to work with my 15-inch MacBook Pro Retina this week.
The AppleCare rep didn't know the difference either and agreed with me that it was puzzling that using the Thunderbolt Ethernet adapter on the Thunderbolt port of the display did work, wheras using the Ethernet port directly didn't (even though there were lights flashing on the Ethernet port of that other computer I tried to connect to in Internet Sharing mode). Close reading of the above posts made me go look for that mysterious "Display Ethernet" interface... thank you Clinton!

Ethernet Port not working 50% of the time?

On my new GD55 P67 50% of the time I start my computer the Ethernet port does not work. I know the cable is good because I have tried several cables. It seems to have problems right after I installed SP1 for windows 7. Is their a known problem with the Ethernet port on this motherboard?

By "start my computer" do you mean start from a complete shutdown, start from S1/S3 sleep or start from hibernation?
The next time you start the computer and your Ethernet port doesn't work, open up a Command Prompt window and type "ipconfig /all" (without the quotes). Copy and paste the results displayed for the Ethernet port you are having a problem with (or just copy it all if you are not sure which section belongs to the port in question).
- D

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