Mac Pro :: Ethernet Port 1 Works On 1 Switch While Not On Another?
Oct 27, 2009
I have added a new switch to my network and it seems that ethernet port 1 does not work on this new switch. My network consist of dhcp server>switch 1>switch 2. Switch 1 is in my entertainment center and had ethernet port 1 connected to this switch since I have had my computer but when plugged into switch 2 which I have just added to my workstation and on the switch there is no lights and in system preferences port 1 flashes between not connected and no ip address. For port 2 it connects fine and both ports are set for dhcp. I have tried different cables setting a static address and can not find a reason why it won't work.
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Nov 2, 2008
I just bought an airport extreme w/gigabit, and I'm wondering if it's possible to connect an ethernet switch to one of my pro's ethernet ports and have things like my xbox 360 and ps3 run off it, however, my mac pro would be connected to my airport extreme via 802.11n. is that possible?
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May 20, 2009
I was just wondering if any other macrumorsmembers have been in the situation where there's no wifi, no decent 3G, but ethernet ports available to use, but you don't have a computer handy? Would it be possible that you could create an ethernet cable one end, dock the other, and literally connect e.g. an iPhone into the ethernet? At my place of work, there's no signal (dodgy GPRS/flakey Edge), some wifi, but in halls of residence, you get 1 ethernet port, and you can't put a wireless router onto it. It would seem that it would be an interesting solution, if it was possible.
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Aug 11, 2009
How many of you would like to see a HDMI Port? Why the miniDisplay port? Why not remove ethernet jack and miniDisplay port and replace it with a HDMI port. That way one HDMI cable feeds digital video AND audio. Am I the only one thinking of this?
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Mar 21, 2008
is there a adapter with both a usb port and an eternet port?
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Feb 8, 2010
I'm trying to share my wireless internet connection from my mac to my PC, the mac is connected to a switch with a tp cable and my windows pc as well.The switch doesn't have dhcp so I had to manually type in the ip address
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Jul 3, 2012
I just bought some new CAT5E cables and when its connected to the macpro 1.1 computer running the latest OS, it keeps disconnecting from the internent. I swtiched out to another CAT5 E cable to see if this one was bad, and I had the same problem.When i put back the CAT 5 cable, it works fine, but this cable is too short. Is there something I have to do to get the cat5e cable to work, or do the older mac pro 1.1 needs just a Cat5 cable?
Info:
Mac Pro, Mac OS X (10.7.2), Quad Core.
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Jul 3, 2012
To switch from wifi to ethernet and vice versa? I connected the ethernet cable and turn off wifi but it won't connect till I reboot it. Is this the only way? Also if I have ethernet cable and wifi turn on at the same time, which connection would my computer default to?
Info:
iMac, Mac OS X (10.7)
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Feb 5, 2009
Is it possible to use the second ethernet port on the Mac Pro to output internet to another computer or router?
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May 9, 2008
Basically, I have a wireless router in my house that my Mac Pro connects to from a seperate room. I have an xbox 360 in my room with the Mac Pro. Without buying the $100 360 wireless adapter, could I configure it so I could run my 360 into my Mac Pro's ethernet port and piggy back off of my Mac's wireless connection to get on Xbox Live?
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Jun 14, 2009
I used the MacRumors Buyer's Guide for several months to find the best time to buy a MacBook. I'd never had a Mac before and found it to be so valuable. I hope someone in the forum can be as helpful as the site has been.
Yesterday I bought a new MacBook Pro 13" and as a store option the RAM was doubled to 4GB. Everything has worked well so far, in both OS X and Windows XP through Boot Camp, except for either OS accessing the LAN cable on my home ADSL. Both my portable modem (EMobile network in Japan) and the wireless seem to work with no issue, and both OS will recognize the ethernet port. I'm concerned that perhaps the ethernet adapter was modified when the store installed the memory.
I can remove the ethernet cable from one computer (where it works without any settings changes on my Windows notebook) and plug the same cable into the MacBook and it will not be recognized. The Mac OS error is that no cable is inserted.
However, as it's my first Mac, I didn't know if perhaps some new settings are required to make things work smoothly. Is there any DNS settings etc. that must be set for it to connect? Also is there some kind of connection diagnostic that will specify the location of the error in the machine? I'd like to exhaust any option before shipping this back to the store to be repaired or replaced.
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Jan 3, 2010
First I have an early 2008 Mac Pro with 2 Ethernet ports. Port 1 works but port 2 doesn't. Do I have to lug this BIG machine into an store or do they come to the house and fix it. I have the 3 year Apple Care. The closest store to me is 75 miles away.
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Jan 10, 2010
I just got the new macbook, with snow leopord, and is running on 10.6.2. My internet is really slow when I connect it to my linksys router. It is a wrt54g router. And I am using a WPA2 password. The internet works fine with the three other laptops in my house. But is slow when I connect with wireless to the router. But when I connect to the router with a ethernet cable it works really fast.
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Jun 8, 2012
My macbook wont load any web pages. It is connected to my wifi network and it says my Internet connection is good under my network settings. All my other devices on the network have no issues (ipad2, 2-iPhone 4's and 2-PS3s). Also when I connect my MacBook to my router with an Ethernet cable it loads any and all web pages instantly. I also tried installing Firefox thinking it may have been an issue with safari. No luck there. The issue was intermittent at first and would require I restart my computer/router and then issue would be corrected. Now the internet wont load any pages at all. I also tried zapping the PRAM, flushing the DNS cache, removing files from the system config folder under Library/Preferences/system configuration and a few other things I can't exactly remember. My MacBook is up to date, my routers firmware is up to date. I even tried tethering my MacBook to my iPhone via wireless Internet and still could not load any websites.
Info:
MacBook (13-inch Early 2008), Mac OS X (10.7.4)
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Nov 11, 2010
I'm looking to add a second ethernet port to my MacBook Pro using this product designed for the MacBook Air: [URL:...] Comments on the Apple site indicate that the device can be used with other computers, but I want to make completely sure it's going to do what I want it to do before I make the purchase. The reason I'm looking to do this is that I want to link my MB (via ethernet) to another laptop running Windows 7 Ultimate and use the Microsoft Remote Desktop Client to operate programs installed on the WIndows machine. The catch is that the internet at my current location (a university accommodation building) is also supplied by ethernet LAN and has some kind of detection system that prevents unauthorised routers from accessing the internet. So basically what I want to do is have the university LAN/internet running into the existing ethernet port on my Mac and then connect the ethernet port on the windows machine to the USB/Ethernet adapter plugged into one of the Mac's USB ports. The Windows machine does not have to have internet access. Is this possible? Will I be able to configure the two ethernet ports separately to operate two network connections? I understand the connections would require a different subnet mask and possibly a static IP for the computer-computer connection. That was a bit long-winded in the end.
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Feb 12, 2007
Recently got a Mac pro. However my room only has one network socket going into my router, this goes to ethernet port 1. Internet works fine, no issues. However my old desktop (that the MP replaced) can't get online now - no second network port from the router into the room the computers are in. I have a crossover cable that I've used to connect the 2nd MP ethernet port to the PC ethernet port. However I can't get internet access on the PC. If the PC and port 2 are on their own subnet (not the router/port 1 subnet) I can get file sharing going between the MP & PC, but cannot figure out how to get the router/MP/PC on the same subnet together using both ethernet ports of the MP. I have already tried enabling internet sharing under system prefs etwork, but it doesnt work. Network: Router (connected to internet) at 192.168.1.1 - connected to mac MP port 1 - 192.168.1.2 - works fine in connecting to the net MP port 2 - 192.168.255.1 - works in networking to PC for filesharing PC - 192.168.255.2 - works in networking to Mac for filesharing Any combination of 192.168.1.xxx for the MP port 2 and PC, they can't fileshare anymore and there is still no internet for the PC. Anyone know how to do this?
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Jul 27, 2008
i have my mac pro using one ethernet port for net connection can i put a sec cable in the other port connect it to my macbook pro and share the connection?
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Nov 14, 2008
I want to set up my dual gigabit ethernet as a network team; one for incoming traffic and one for outgoing traffic. (My machine acts as a server, with 2 internal raid striped 1 TB hard drives, and 2 external raid striped 1 TB hard drives (time machine for the computer); and 2 10,000 RPM raptor drives striped as my boot drive. Anyways, enough about that.) How do I do this? I currently have both ports connected to my Airport extreme wireless N with Gigabit, is there a way to do what I want to do with these products, or is there something else that I need to get as well?
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Apr 19, 2009
i have a macbook and an airport express, which is plugged into a cable modem. i plan to buy a samsung blu-ray player (model 1600), which can plug into an ethernet port or, for more money, use wireless. i'd like to use an ethernet cable because I think the airport express gets overloaded sometimes (music stops if two computers using wireless, for example) and the wireless attachment for the blu-ray player is a little pricey. how do i create a second ethernet port? do i plug a router into my cable modem and then plug the airport express into one of the router's ethernet ports? if i do that, will it just work or is there some set-up work to do?
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May 17, 2009
I've had the 13" aluminum macbook since October 2008 and I've never had a problem with the wireless or an Ethernet connection. I turned on my computer the other day and I couldn't connect to the internet through my ethernet port. I've determined it's not my connection (friend's macbook connects fine) and I've tried connecting to other ports around my campus and it still doesnt work. On network settings, the light is green, cable detected, assigned an ip address and dns but it simply times out when I try to connect to anything (firefox, itunes store, mail, etc.). I'm fairly new to mac os x.
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Sep 16, 2009
Internet, file sharing and screen sharing all work on Ethernet Port 1. None of these work on Ethernet Port 2. Would anyone happen to know how to fix this problem?
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Dec 2, 2009
Can I connect a wireless router to the second ethernet port of my MacPro? I have the main ethernet cord from the modem connected to my ethernet port 1, then I connected my router to my computer through ethernet 2, thinking that it would broadcast the internet connection. However, it is not working. The router is broadcasting, but the internet isn't working (and the light indicating internet connection on the router is yellow, not green). Is this something that isn't possible? Or do I need to change settings (not just plug and go)?
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Jul 18, 2010
Is it possible to somehow use both ethernet ports on the mac together for faster internet browsing?
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Mar 23, 2012
What is the process used to direct certain IP addresses or a range of IP addresses to the second ethernet connection on a Mac Pro? I have a set of Mac Pros that use the first connection for internet access and corporate server connections using Samba. But the second ethernet connection is used for a lan between the Mac Pros and printers. It currently works but it take a bit for the "connect to servers" dialog to connect to a Mac Pro on the lan because I think it is searching Connection 1 first which has hundreds of Windows servers attached to it. And it takes several minutes to connect if our service has an interruption on Connection 1. All of the Mac Pros and printers are set up to use a manual IP address (192.168...) The Mac Pro workstations use Snow Leopard and we have a Mac Pro Server running Lion Server that we use to conntrol a network RAID.
Info:
Mac Pro, Mac OS X (10.6.5)
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Mar 26, 2012
My ethernet port is not working when cable is plugged in. Wireless works fine. Ethernet was working up until end of Feb. Then I turned it on and it wouldn't connect. Plugged into a friend's house still not working. Tried at work, still no luck. (I'm on a MacBook Pro late 2008)
Info:
MacBook Pro (15-inch Late 2008), Mac OS X (10.6.8)
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May 4, 2012
I have an iMac 27 inches, all was working fine, however, since this AM the ethernet port is not working thus I am unable to go online. I know a heavy thunderstorm happened last night. The machine is working perfect I can go on line ONLY via wifi.
I did check cables with another computer, and modem is working fine.
Info:
iMac, Mac OS X (10.7.3)
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Aug 26, 2014
My iMac is very slow. It only works on wifi. Ive got good cat 6 hard wire to cox business and its fast internet. but it wont work on the network. it says i need an ip address. it says the internet is connected but needs an ip address. Ive got it on dhcp auto. but not working. All other computers work fine with dhcp. It says the computer is connected but does not have an ip address. Not possible if its set in dhcp as that is supposed to give you a rolling ip address. Ive got a cisco gigabit switch that is working well with 10 - 15 other computers working fine on it. Ive changed the port multiple times in the switch. rebooted of course. nothing works.
Info:
iMac, OS X Mavericks (10.9.4), 2007 model.
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Nov 29, 2007
I have a G5 DP 2.0 and have been using it's built in ethernet port connected straight to my BT home hub (adsl/router) for years. Any way I add into the mix a netgear 1000Base layer 2 switch and the G5's ethernet doesn't work, reconnect straight to the router and all is fine. Now tested with new cables and tested on every port on the switch. By the way the port light on the switch don't light up when G5 attached. Now have tried the switch with a g4 and all is fine on every port and supprisingly I've stuck a PCI card in the G5 and that works as well. Just can't work out why the built in won't work through the switch but will direct.
Information:
G5 + PB G4 + G4
Mac OS X (10.4.10)
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Sep 17, 2009
Is the etherent port that's on the powermac g4 a gigabit or whatever port? Or should I buy a new faster ethernet card for it?
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Feb 3, 2010
My Ethernet cord won't stay put and I can't keep connected unless I hold the cord in, otherwise it just slips out. I've got Apple Care, but no idea whether or not they'll fix this. (I've tried multiple cords, so I don't think that's the problem.) If not, how much am I looking at to get this replaced? (Normally, I'd just buy a router, but I have a wireless router at home, in the United States. I'm currently located in Tokyo, and would rather not have to buy a router here, since I can't really read the manual.)
Either way, how long am I looking at this taking? Depending on the cost, I may or may not go for getting it fixed, but if I do, I would like to know how long I can expect to be without my laptop, though. (I would ask at the Genius Bar, but my Japanese is shaky and my computer skills aren't much better.) Also, as a side note, my MacBook's got those little splinters again, and I'd like to get them fixed up.
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