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  • Windows 8 doesn't automatically join Wi-Fi network if Ethernet connection is active

    - by Herb Caudill
    In Windows 7, my laptop would automatically join both an Ethernet network and the Wi-Fi network in my house (both going through the same router). In Windows 8, if the Ethernet connection is present, it doesn't join the Wi-Fi network at all. The reason I noticed this is that if Wi-Fi isn't active, I don't see my AirPlay speakers. My wireless printer is also unavailable until I manually connect to Wi-Fi. To recap: When I turn on my computer and it's connected to Ethernet, this is what my Network Connections control panel looks like: After I manually join my Wi-Fi network, it looks like this: I would prefer for it to join both networks automatically on startup, the way it did in Windows 7. Is there a way to make this happen?

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  • Ethernet run tests green but won't connect

    - by Simon Gillbee
    I have a single ethernet run at home that I just added. I have a cable tester that tests for pin/pair crossover or miswired pines. The entire line tests green (all 4 LEDs light up green on the tester) but I can't get any PC to connect through the link. No link light on the ethernet connection. Any simple tests/fixes, or do I rip out the wall sockets and do it again?

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  • Ethernet run tests green but won't connect

    - by Simon Gillbee
    I have a single ethernet run at home that I just added. I have a cable tester that tests for pin/pair crossover or miswired pins. The entire line tests green (all 4 LEDs light up green on the tester) but I can't get any PC to connect through the link. No link light on the ethernet connection. Any simple tests/fixes, or do I rip out the wall sockets and do it again?

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  • wireless ethernet adapter with EAP-PEAP?

    - by Joseph
    We have a wireless network set up to support WPA or WPA2 with AES or TKIP encryption and EAP-PEAP authentication. Users are wanting to connect devices that don't have the ability to do EAP-PEAP but have ethernet ports. I have found a wireless printer server that can do this, but I have yet to find a wireless ethernet adapter that can. Has anyone seen one with this ability?

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  • Why does 1GBit card have output limited to 80 MiB ?

    - by Gallus
    I'm trying to utilize maximal bandwidth provided by my 1GiB network card, but it's always limited to 80MiB (real megabytes). What can be the reason? Card description (lshw output): description: Ethernet interface product: DGE-530T Gigabit Ethernet Adapter (rev 11) vendor: D-Link System Inc physical id: 0 bus info: pci@0000:03:00.0 logical name: eth1 version: 11 serial: 00:22:b0:68:70:41 size: 1GB/s capacity: 1GB/s width: 32 bits clock: 66MHz capabilities: pm vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation The card is placed in following PCI slot: *-pci:2 description: PCI bridge product: 82801 PCI Bridge vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: 92 width: 32 bits clock: 33MHz capabilities: pci subtractive_decode bus_master cap_list The PCI isn't any PCI Express right? It's a legacy PCI slot? So maybe this is the reason? OS is a linux.

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  • How do I fix my ethernet card losing network connection every few minutes with kernels 3.8.x?

    - by igoryonya
    I'm using Ubuntu 13.04. My laptop is Acer Aspire one 722-c58rr, and my ethernet card works for a few seconds at a time with kernels 3.8.x, however, kernels 3.5.x and below worked fine. On kernels 3.8.x, it works fine after boot for about a minute, then it looses network connection. When pinging to some address, it says: network address is unreachable, but it can ping it's own address. The address is statically configured. Everything was working fine before. I went to vacation, where I used WiFi and 3G connections, so I didn't notice that the problem occurred. Came back home, plugged in into the ethernet. It worked for a minute then stopped. Rebooting commutator fixed the problem. Tried to connect to a different commutator, same problem. Unplugging and plugging the cable fixes the problem for another minute. Disconnecting eth in Network manager and reconnecting it again, does the same thing. WiFi has no such problem. Tried to use a different cable that works fine on another computer, the same problem. Tried to boot with the lower kernel version, the same problem was happening until I got to the version 3.5 of the kernel series. Everything works fine on the kernel 3.5.x, but I don't want to miss out on the new kernel's features. Executing commands, when booted with 3.8 kernel series, give the following results: lspci| grep -i eth: 06:00.0 Ethernet controller: Qualcomm Atheros AR8152 v2.0 Fast Ethernet (rev c1) dmesg| grep eth1: [ 89.548291] atl1c 0000:06:00.0: atl1c: eth1 NIC Link is Up How do I fix it, while staying in the new kernel version?

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  • How to use a different Ethernet connection

    - by SteveC
    I'm running a virtual machine at home which has a VPN connection to our main office, but I also want to connect to a share on another machine at home. When I check with IPCONFIG I can see two ethernet connections ... my work VPN ... Ethernet adapter Local Area Connection* 11: Connection-specific DNS Suffix . : Link-local IPv6 Address . . . . . : xxxx::xxxx:xxxx:xxxx:xxxxxxx IPv4 Address. . . . . . . . . . . : XXX.XXX.XXX.XXX Subnet Mask . . . . . . . . . . . : 255.255.254.0 Default Gateway . . . . . . . . . : XXX.XXX.XXX.XXX and home local ... Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : lan Link-local IPv6 Address . . . . . : xxxx::xxxx:xxxx:xxxx:xxxxxxx IPv4 Address. . . . . . . . . . . : 192.168.1.70 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : What's weird is when I've been working before with a plugged-in ethernet cable I've not had any problem getting to the share? I can PING the other machine, but I can't access the share at ... \\othermachine\c$ I tried 'TRACERT` but that disappears off to the work network and eventually gets back to the local other machine after a few time-outs Is there anyway to "force" the connection to stay local ? UPDATE: the VPN is AEP SSL Tunnel

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  • How to Bridge Two Ethernet Ports on Mac OS X

    - by Rabarberski
    How can I bridge two wired ethernet interfaces on Mac OS X (e.g. the current MacPro comes with two ethernet ports)? Googling turned up (e.g. this Apple forum post and this openvpn post) that this is fairly easy on Linux (using the brctl command) and under Windows (via Network Connections right-click Bridge Connections), but how is it done under Mac OS X? BTW: There also doesn't seem to be a macport for brctl ('port search brctl' didn't turn up any results) Note: I don't want to have 'internet sharing', which creates a new network (by handing out network addresses in a new range). I want to really 'bridge' two interfaces so to keep the same network subnet.

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  • Would firewire networking be better than 100Megabit ethernet?

    - by Josh
    My office network has a fully switched 1000Megabit ethernet network. I have an Apple iMac with a Gigabit NIC and FireWire, and a Compaq laptop with a 100Megabit NIC and a 4-pin FireWire interface. Accessing my office's shared drives using my laptop is (obviously) much loswer using my laptop than my iMac. Would I see a noticeible performance boost if I enabled Internet Connection Sharing on my iMac and shared the private ethernet network from my iMac with my laptop over FireWire? FireWire is 480Mbit/sec, right? So would I see roughly 4x speed improvement with such a setup?

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  • Installing ethernet drivers with no install package

    - by Josh
    I recently got my new Sony Vaio laptop and formatted it into Windows 7 Ultimate. I would like to use the Windows Easy Transfer Tool over a network connection to transfer some of my files over from my desktop PC. Before I do this though, I need to install the ethernet LAN drivers (I'm currently using the built in Wifi). I downloaded the original LAN driver that came with my Vaio originally from the Sony website: http://support.vaio.sony.eu/computing/vaio/downloads/preinstalled/index.aspx?l=en_GB&m=VPCEB1Z0E_B [Scroll down to the 450KB Ethernet driver] When I unzip the package, these files are inside: yk62x64.cat yk62x64.dll yk62x64.inf yk62x64.sys As you can see, no installer. Can anyone guide me through how to properly install these drivers? I have thought of using Google but I'm clueless as to what query to use. Thanks.

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  • Test ethernet port for data loss

    - by Manoj
    We are trying to test the ethernet phy on our linux box for data loss. As of now we just establish a tftp connection to a server to upload and download a file. Whenever a mismatch occurs, it is reported as failure. This is not a very nice test, as any mismatch might have been caused by the network itself and not a phy problem. Can you suggest a way to test the ethernet phy in a better way for data loss? Thanks...

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  • Latency in TCP/IP-over-Ethernet networks

    - by aix
    What resources (books, Web pages etc) would you recommend that: explain the causes of latency in TCP/IP-over-Ethernet networks; mention tools for looking out for things that cause latency (e.g. certain entries in netstat -s); suggest ways to tweak the Linux TCP stack to reduce TCP latency (Nagle, socket buffers etc). The closest I am aware of is this document, but it's rather brief. Alternatively, you're welcome to answer the above questions directly. edit To be clear, the question isn't just about "abnormal" latency, but about latency in general. Additionally, it is specifically about TCP/IP-over-Ethernet and not about other protocols (even if they have better latency characteristics.)

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  • Ethernet switch not working

    - by Froskoy
    I've just tried using two different ethernet switches on my network to replace an 8-port Netgear gigabit ethernet switch, which works fine, but doesn't have enough ports for what I need. Computers are connected to a TP-Link TD-8840T router via a switch. They use DHCP for IP address assignment. One switch is a TigerSwitch 6924M, which I'd expect to be difficult to set up, since it is second hand and has an advanced configuration menu, which I can't access without a serial port. However, the second switch that I tried is a new TP-Link TL-SF024, which doesn't appear to have any configuration options, so that can't be the problem. When I say "not working," I mean that although they display that they are connected to a network, they cannot access the internet. For example commands like "ping -c10 google.co.uk" come up with 100% packet loss. What could be causing the problem and how do I fix it?

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  • What if a computer with Ethernet

    - by George Nixon
    I'm just revising for an exam on Networks and Data Communications, and there's one thing I don't get about CSMA/CD and Ethernet. It's supposed to be fairly stable, for instance if a computer drops out of the network, it's not a problem like it might be in a token ring network (I think). But Ethernet works by all the other computers waiting for the currently transmitting computer to finish what it's doing, and then the others use CMSA/CD to determine who goes next. What if one computer malfunctioned and kept sending a continuous stream of data in an infinite loop? In fact, is there a standard time for pcs to transmit before they yield to others?

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  • Good reference for Cisco Resilient Ethernet Protocol

    - by Karthik
    I have been trying to understand Cisco's Resilient Ethernet Protocol, but am unable to find a proper source to read from. I checked the Cisco site and also their White Paper on REP. But none of them helped to understand REP clearly. Googling was also of not much help, as all I got was explanation about configuration instructions and not on the protocol itself. Can you guys point me to a good book or site, which explains Resilient Ethernet Protocol in detail? Thanks in advance.

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  • New XPC: No video, no ethernet link, but drive spins

    - by Mike Pennington
    I bought a Shuttle XPC SH67H3 with integrated video. I installed: An Intel i5 2450P 16GB DDR3 RAM A SATA hard drive from my old linux server that still is bootable I have both power connectors plugged into the motherboard. I realize that the Intel i5-2450P doesn't have video capabilities; however, the drive spins like it's doing something useful. It seems like I should get an ethernet link light when I fire this up. I plan to run this headless anyway, so it would be really nice if I could figure out how to run this without a video card at all. I know the IP address and login info for the linux install on the disk. I plugged in speakers, but get no bios beeps when I power it up. Shuttle's bios manual has nothing in there that indicates I should have problems in this configuration. My questions: Is there a reason that the missing video card would block usage of the ethernet port? Are there settings on the motherboard / bios I can change to get this working?

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  • Hyper-V Virtual Machine Networking issues related to Max Ethernet Frame Size

    - by Goatmale
    I fixed an issue today earlier today but i'm interested in learning WHY it worked. We set up a new Hyper-V virtual machine only to discover that HTTP traffic wasn't working. HTTPS, pings, everything else was working fine. After months of prodding around I took a shot in the dark. On the Hyper-V host server, the physical NIC card had an advanced setting of "Max Ethernet Frame Size" set to 1500. After setting this setting to 1514 the issue was fixed. Alternatively, setting this to 1512 did not solve the issue; 1514 is the magic number. My best guess it that when this setting was set to 1500 it was allowing incoming pings because the data payload was a lot smaller of say, HTTP traffic. As far as HTTPS traffic, I read about something called "Path MTU discovery" which i'm going to assume why is HTTPs traffic was getting through fine, albeit slower. Looking at this post, people agree that 1518 is the max total frame size. Why didn't I need to change this to 1518 instead of 1514 bytes? Why is the default frame size 1500 if that's the max size of the Ethernet payload and not the max size.

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  • 802.11g -> wired ethernet bridging not working

    - by Malachi
    Usually people want to go the other direction, but I want to take our relatively fast and stable house 802.11g signal and bridge it to ethernet. I have tried using an Airport Express (the b/g flavor) and my i7 MacBook pro, both to no avail. Word is that the b/g flavor of This flavor of Airport Express maxes at firmware 6.3 which doesn't support this kind of bridging properly. However, I expected my MacBook pro to do the job with its "Internet Sharing" feature. Alas, although my wired PC does sort of see it, it doesn't work out. Strangely, using DHCP the PC receives the same IP address as my MBP uses on the network. Less strangely, but still surprisingly, the wired ethernet port on my mac registers as the IP address of the gateway when queried with IFCONFIG. It sort of makes sense that the mac would "pretend" to be the gateway, but the whole thing just isn't working and seems configured wrong - but all the docs I see say basically "OS X Internet Sharing: click it and go". What do I do? Do i really have to buy more hardware, even though I have plenty of would-be candidates for bridging? Incidentally, the host router originating the 802.11g signal is a belkin 802.11g router, and is documented to support WDS.

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  • structure of ethernet frame (tcp/udp) [closed]

    - by rtmrtm2
    How is an ethernet-frame structured. is it: |MAC | |_______________| | |IP | | |___________| | |TCP | | |_______| | |HTTP| |__________|____| or the other way around? so in words: is the mac wrapped around the ip wrapped around the tcp wrapped arround the http? can someone post an image of the specific 'wrapping'? thanks in advance. regards, rtmrtm2

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  • Connecting via Ethernet on second AirPort Extreme

    - by b-b
    Would It be possible to connec my xbox 360 to a second AirPort Extreme, wherein this AirPort Extreme is wirelessly linked to the first? I assume it is and is straight forward, but I thought I'd ask first. Also, would an Ethernet to a second AirPort Extreme be any faster than, say, a dual band wifi connection from a MacBook? Obviously environmental factors play in, but I'm mostly curious about the relative receiving strength of the airport vs laptop.

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  • resolv.conf not working properly with Ethernet in Ubuntu

    - by Mark Z.
    I have a Lenovo X200 laptop on which I am running Ubuntu 9.10. Recently, (I assume after some updating, but I really don't know) my ethernet port stopped working under Linux. A more tech/linux-savvy friend of mine was able to temporarily fix the problem by manually editing the resolv.conf file with the DNS servers he found through his connection. However, after rebooting, the problem came back and now I am looking for a more permanent solution.

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  • Broadcom 440x Ethernet NIC Drivers and Windows Home Server

    - by scottman666
    I have installed Windows Home Server on an older Dell computer, and it uses a Broadcom 440x Ethernet NIC driver. I have tried all of the drivers listed on their drivers page to no luck. The error message I get when trying to install is: "The parameter is incorrect" I know it is a long shot, but anybody have any suggestions? Thanks!

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  • Why ethernet cables must be ended with specific arrangement

    - by adopilot
    I just accepted that ethernet cables CAT 5 and more must be ended with specific arrangement. I learned when I ending my cables to take attention that either end must be in same arrangement(568A or 568B ). Sometime I get stacked with my fellow servant that they claim that Cable should work if just arrangement at both side are same even if it is not in 568A or 568B layouts. My experience said that it is not true, but I am now looking for some technical argument to prove that.

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