Networking :: Can Cat5e Cable Tester Be Used For Cat 6 Cable

Apr 7, 2010

Can Cat5e RJ45 connector crimper be used for Cat 6 connector because I heard cat 6 connector is different from cat 5e connector and also same question for cable tester can cat5e cable tester be used for cat 6 cable?

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Ubuntu / Apple :: EMac And IMac File Sharing With Ethernet Cable And Other Cable?

Oct 12, 2010

how I could file share, or make the whole Hard Drive (HDD) accessible to another computer. The two other computers I have are a Toshiba Laptop with Ethernet and USB, and a iMac Intel with Firewire, USB, and Ethernet. Putting these to use along with:

Three Ethernet Cables
Two Printer Peripheral USB Cables
The Two Computers
A 2GB Flash Drive

That is all I can think of right now. I do not want to use CDs. In a way, I would like to do a network boot. So, how do I get the whole HDD visible to the others computers (either/both) and be able to write to it? I want to put Xubuntu on it, and earse the rest of the Hard Drive. The computers getting this are the iMac G3s and the eMac G4. The eMac has 256MB RAM, 40GB HDD, and a 700MHz processor. Two iMacs have 128MB RAM, 40GB HDD, and a 600MHz Processor. The other iMac is the same as the rest but has a 500MHz processor.

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General :: Power Cable And SATA Cable In Different "boxes"?

Feb 18, 2011

I can't get a certain harddrive out of its mounting (screws too tight) , but I want it connected to a different computer. Is it possible to have the harddrive's powercable connected to one computer, and its SATA cable connected to another computer's motherboard? (The powercable is too short to connect it to the other computer.)

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Networking :: 2 Subnets Over The Same Cable?

Nov 27, 2010

I have a 2-floor house, with a single ethernet cable from the ground floor to the 1st. Downstair there is my ADSL modem, which is connected to the router upstair through this one cable. Now, I would like to have some more ethernet ports on the ground floor, but there's no room left to run another cable between the floors, so here's the big question: can I run both the modem-router connection and my regular LAN (which are on different subnets) through that one cable, with a switch at both ends?

To make it a little more clear, here is my present configuration

Code:

DOWNSTAIR UPSTAIR
ADSL Modem ------- Router --- Clients

Here is what i would like to do:

Code:

DOWNSTAIR UPSTAIR
ADSL Modem ---- Switch ------ Switch ----(WAN Port) Router --- Clients
Clients ---- ----(LAN Port)

Would it work?

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Networking :: Not Getting IP When N/w Cable Plugged In

Dec 23, 2009

I am working on h/w device having linux kernel version 2.6.27 with busybox installed. I observed below problems while working on jffs2 image is flashed on the board.

1)When the board is powered-up with n/w cable is connected, it doesn't get IP address automatically, I have to use "/etc/init.d/networking restart" in init script(/etc/init.d/rcS) to get the IP address.(I am using dynamic addressing)

2)When the board is powered-up with n/w cable is unplugged and plugging-in once the device is started, I get "link up" message from the system, but still the IP is missing in eth0 interface.

I have udhcpc(v1.14.1) installed. Giving below commands manually, get the IP for device:

Code:
ifdown eth0
/etc/init.d/networking restart
but It is not pretty solution for me !

What I want is, the device should get IP address automatically once the n/w cable is plugged-in. (as we get in desktop m/c's). Am I missing some scripts or configuration parameters?

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Ubuntu Networking :: Using Both Wireless And Cable?

May 3, 2010

I normally use a cable to connect to the Internet, but I also use the wireless network regularly. So I'd like Ubuntu to automatically use the wired connection except when there isn't any.

I also have the unlock keyring problem (because of auto login and wireless Internet), does anyone know a solution to that problem? (It's quite disturbing to get that window each time you start the pc even if you aren't going to use wireless Internet)

system:
Ubuntu 10.04, auto login, Intel Core 2 Quad Mobile Q9000, ATI HD 4670, 4 GB RAM, Broadcom NetLink BCM5784M Gigabit Ethernet PCIe, Intel Wireless WiFi Link 5100

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Ubuntu Networking :: Cable Type For PC-to-PC & PC-to-DVR?

Jan 26, 2011

I want to setup my Dell 1525 laptops to download DVR Recordings and Record Live TV with my Scientific Atlanta Explorer 8300HD Cable DVR.I purchased a USB "A to A" cable, but it states this cable cannot be used to connect PC to PC/Cable Box?Can I connect to the DVR directly and with what kind of cable (USB, S-Video, HDMI)?Do I have to use some kind of "Video Capture Box"?Can anyone point me in the right direction?

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Networking :: Frayed Cable Symptoms?

Jul 24, 2010

Allright, I bought a new dedicated box about two months ago. For most of the time, I have had major intermittent latency and downtime.Pings and traceroutes would always work, <70ms. However, all daemons would be inaccessible for periods of time spanning from 5 minutes to hours, at which point I would have the box rebooted and it would work again.After having hardware tests done numerous times, they kept saying it was software related. No logs showed problems.Finally, tonight a tech found that the network cable was frayed or something of that nature. "Noticed that your connection to the switch was exposed and replaced the cable"Would that create symptoms I've described above?

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Ubuntu Networking :: Sharing A Cable Modem ?

Apr 26, 2010

Linux box could act as a router? I have one machine running ubuntu, another running windows 7, a cable modem and a switch. Is it posible to share the connection between both computers by making the linux box a "router"?

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Ubuntu Networking :: Cannot Connect To Internet With Cable

May 1, 2010

I'm having trouble connecting to the internet... I'm using Ubuntu 10.04 on a PC with Windows XP installed. When I click the little network icon at the top there's an option called "auto eth1" but when I click it, it just says
"Wired Connection: Disconnected - you are now offline."

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Ubuntu Networking :: Connecting Through A Cable Modem?

Jun 23, 2010

I am using ububntu 9.10,and have a cable modem internet connection. All I have is an ethernet cable given to me,and when plugged in a windows machine and fire a browser am redirected to default login page where i can login, but when i plug it into my linux machine,i cant get the same done. In network connections it doesnt shows my autoeth0, i have deleted my existing dsl settings(not autoeth0),made a new wired network,i doubt what should i put into MAC addrs field(i have put my machines mac given by lshw -c network.) What should I put in DHCP client id? Anyways when i click on network connections it says under my wired connections-device not configured properly.

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Networking :: Connect Two Pc By Cross Cable In Ubuntu?

Dec 21, 2010

How can connect two PCs that both of them have ubuntu by cross cable?

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Ubuntu Networking :: No Wifi And Cant Use Network Cable

Apr 22, 2011

I thought id give 11.04 a bash and i cant connect to internet via wifi i have a broadcom network adapter built into my hp530 laptop , and my network port is broken so cant use cable connection , so i thought id go back to 10.04 , guess wat i need to d/l the drivers again ... and again i have the same problem ? i have another laptop running win 7 , anyone know how i can get the drivers or what i can do ... ? its a broadcom BCM4311 802.11b/g

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General :: Networking - Impossible To Run A Network Cable

Dec 16, 2010

I have a Verizon wireless/wired router that I access the internet through. I have a desktop computer running Slackware 13.1 i386, but it is in a place where it would be impossible to run a network cable to. Would you buy a USB wireless card? Would it work with Linux? Is there another way I can get my computer networked that I am not thinking of?

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Networking :: Connecting To Internet With Serial Cable?

May 4, 2011

I have a vista computer that is connected to a router via a ethernet cord. The router is connected to the internet.I have a computer installed with Debian that does not have a ethernet port in the back of it. Is there a way that I could connect my Debian computer to the internet through my vista?

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Networking :: Sharing Network Using Crossover Cable?

Feb 14, 2011

At the outset I would like to tell everyone that I am still relatively a newbie in linux. I use a usb mobile broadband data card to connect to the internet, and I recently purchased another desktop for my wife. Both of us do not share any files, but I do not have a router and was wondering if I could share my connection with her using a crossover cable.I did a lot of Googling around and tried various different things, I even followed another thread in the same forum but the most that I have got is my network manager saying that connection has been established. I am however not able to see her computer under my windows network and don't know how to proceed.I don't know where I am going wrong, and considering that my knowledge of networking is at below basement level, I would really appreciate any help in this regard.

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Networking :: Use Wicd To Authenticate In A 802.1x Network (cable)?

Sep 9, 2009

I'm using Debian Lenny and installed wicd package.It does not ask me for the credentials and i can't find where to define them?!

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Networking :: Won't Boot When Ether Cable Unplugged Or In New LAN?

Mar 20, 2010

I ended up inheriting an IBM Intellistation Z Pro desktop with Red Hat 2.6.9-78.0.17.EL, that used to be part of a company network (hard IP, domain, etc). I'm trying to boot and connect to my home internet provider.With or without ethernet cable connected, the boot process seems to timeout on a number of steps (system logger, NFS Statd, automount5) and eventually get's stuck in NFS quotas.I started looking at /etc (in single user mode) and of course there are a bunch of files (hosts, resolv.conf, etc) with hard IPs, domains, etc.My questions are:- how hard is to change network setting to use soft IP and be able to connect to my provider

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Networking :: Network Cable Just Stopped Working

Dec 14, 2008

I have a laptop, and the wireless and cable worked fine for a while, but one day, for some odd reason, the wireless and network cable just stopped working. I'd connect to the web, and I would get output using "ifconfig" and the GUI wireless signal. When I hook up the wire, it detects it. However, no matter what I can't load any web pages. The wire does work in another house, and my windows partition utilizes these devices well. Any ideas?Additionally, I am able to log into my wireless router and change configurations, but that's about it :/.

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Ubuntu Networking :: Direct Connection With A Cross Over Cable?

Jan 10, 2010

I've got a Laptop with wireless broadband connection which needs to be connected to a desktop machine so that the internet connection could be shared. Both has got Ubuntu 9.1. I don't have a router or a switch. I just need direct connection with a cross over cable.

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Ubuntu Networking :: Wireless And Cable Connection Same Time

Apr 7, 2010

I have a wireless connection with static ip 192.168.10.150 to connect to Internet through a modem / router ADSL ip Lan 192.168.10.1. I connect with no problems. I have a wired network in the office 172.16.17.0/24 to work with the servers. the router is 172.16.17.1, my connection eth0 with static ip 172.16.17.150 work, but Internet by Internet nothing. If i disconnect the cable i have Internet from wireless. ?? What i have to do to ,to received internet by wireless and be connected ate same time to my wired network by eth0 too.

all routers have DHCP active.

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Ubuntu Networking :: Wireless Connection Dies With No Cable

Apr 15, 2010

I recently installed the vt6656 wireless pci card that came with my zotac motherboard. I can associate with my ap and get an ip address successfully. When I disconnect my ethernet cable, however, my wireless interface stops responding (can't ping it). The box itself is in a place where I don't have a monitor connected to it so I cant see anything since my ssh session gets killed as soon as I disconnect the ethernet cable.

What would be the reason why the ehternet cable being unplugged, disconnects my wifi card as well? Does something get triggered? I did some testing with iptables, blocking the 8080 traffic to the wired interface, and noticed that the 8080 traffic also gets blocked to the wifi ip. I'm afraid that this never worked properly to begin with.

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Ubuntu Networking :: No Connection With 75ft Ethernet Cable?

Sep 21, 2010

I am trying to run a cable from my wireless router over a 75ft cat6 cable to my bedroom. I don't get any connection on my end and I don't have any other ideas. I did setup a m0n0wall box just to try. I got the network led on my server to light up in my room but nothing more than that. Lastly, I tried adding a 5 port switch in my room and then connecting that to my server and nada.

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Ubuntu Networking :: Serial Cable Crossover Connection?

Oct 13, 2010

I've been reading too much and understanding too little. What I have: Lucid laptop & desktop. Both have ethernet > hub > internet. What I want: connect them directly by the serial ports so the laptop can access the desktop's drives, and the desktop can be retired from the internet. I've got an old DB-25 null-modem, last used for multiplayer Doom. The laptop's dock has DB-9, so the connections is desktop > null-modem > Belkin DB-25 - DB-9 cable > laptop.

I had hoped this post would get me somewhere:[URL].. No such luck. When I ping 'grin.local', the connection is through the internet. If I disconnect the hub, i cannot ping.

Dunno if there's something more I should do to enable serial connection in Lucid, or if my null-modem is no longer good. I'm also rather curious how "grin.local" manages a connection through my ISP's system. These are DHCP. Shouldn't that have required the full numerical IP?

(It's nothing to do with the hub. Checked that by connecting a third box to the hub. My ISP only hands out two IP. I couldn't ping the third box.)

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Ubuntu Networking :: Cannot Get ETH0 To Appear In Ifconfig Via CAT5 Cable

Nov 7, 2010

I'm trying to get my Ubunutu and OSX systems to connected via a cat5 cable to transfer some large files around very quickly. Now i know normally this would require a crossover cable as it's a direct connection but the macbook/OSX can handle changing the wires round to make it work like a crossover cable as I've done it before. However the macbook creates a self-assigned IP or as I've tried I've set it to :
IP:10.10.0.1
Subnet: 255.255.255.0

Then I've setup the Ubuntu system both through the System>Admin>Network panel as:
IP:10.10.0.2
Subnet: 255.255.255.0
and my /etc/network/interfaces file is the same;
#lines added to get static crossover cable working
auto lo
iface eth0 inet static
address 10.10.0.2
netmask 255.255.255.0

Yet when I run ifconfig in the terminal eth0 isn't present
Code:
htpc:~$ ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:912 errors:0 dropped:0 overruns:0 frame:0
TX packets:912 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:371613 (371.6 KB) TX bytes:371613 (371.6 KB)

ra0 Link encap:Ethernet HWaddr 70:f1:a1:e6:b1:97
inet addr:192.168.0.42 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::72f1:a1ff:fee6:b197/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:120744 errors:1 dropped:0 overruns:0 frame:0
TX packets:87499 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:171716865 (171.7 MB) TX bytes:7815802 (7.8 MB)
Interrupt:19

htpc:~$ ifconfig eth0
eth0 Link encap:Ethernet HWaddr 90:fb:a6:e4:c0:b0
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:23 Base address:0xe000

Also even when I try and ping 10.10.0.2 either from my OS X or the actually Ubunutu machine all I get is:
Code:
ping 10.10.0.1
PING 10.10.0.1 (10.10.0.1): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3

Yet the Ubunutu machine is also connected to Wifi and when I ping it's own address I get the expected response. To me it just seems like eth0 isn't being recognised somwhere or it's not turned on yet I can't seem to find any toggles or settings for it anywhere. Further more if I check >System>Admin>Network Tools the IP for eth0 is 0.0.0.0. What could be going wrong and why no IP set correctly?

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Ubuntu Networking :: 10.4 - Connect To The Internet Via An Ethernet Cable

Jul 13, 2011

I am using Ubuntu Server version 10.4, and am trying to connect to the internet via an ethernet cable. This may and probably is incredibly simple, however, I could not find anything that pertains to it.

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Networking :: Cable Disconneciton Eth0 And Eth1 Behaviour

Mar 10, 2010

I need to have the configuration showed on the attached file. I have two machines, one PC (ubuntu 9.10 ) and one embedded CPU with a tailored linux version starting from 2.4.31 linux kernel with Busybox running on PPC architecture.

PC address is 192.168.30.70.

On CPU board I have two ethernet interfaces with addresses :
eth0 192.168.30.30 netmask 255.255.255.0
eth1 192.168.30.40 netmask 255.255.255.0

PC sends messages alternatively to 192.168.30.40 and to 192.168.30.30 .Between two machines there is an ethernet switch to allow messages flowing.

I use ping (from two shells on PC I ping the two addresses on CPU) to simulate messages from PC to CPU and I see this behaviour:

Starting from a situation in which CPU responds to the pings I try to disconnect cable connected to eth0 on CPU. I cannot see any interruption on ping reply on the eth0 port. If i reconnect the cable on eth0 and I disconnect cable on eth1 there are no reply to the two pings (neither from eth0 nor from eth1). It seems that all data flows on one cable just because the addresses are on the same subnet. Is this right?

If this is the right behaviour how can i separate data from PC to CPU in order to force packets to flow on two cables and avoid this sort of internal routing beetween eth0 and eth1?

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Networking :: File Transfer Using Ethernet Cross Over Cable?

Apr 18, 2010

I am running Ubuntu Linux 9.10 on my laptop and desktop. I would like to transfer files from one to the other using an Ethernet Cross Over Cable. Is there software already installed in the bundle, that would allow me to setup network drives for each machine when the cable is connected. Also how would I setup the configuration.

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Networking :: Find A MAC Of Hardware Attached Via Ethernet Cable?

Apr 19, 2011

How can I find a MAC of hardware attached via ethernet cable? I have been working nicely with an industrial scanner that is controlled by a Linux PC via an ethernet cable, but the hard drive has died I need to get it working again. The problem is that the main PCB has a Realtek RTL8019AS ethernet controller chip: [URL] which I believe is used in the most basic way possible, applied straight off-the-shelf and unconfigured. To utilise the chip ARP commands are used to assign an IP address to the chips MAC address e.g. something like:

arp -s 192.168.2.5 00-05-a4-00-a8-f8

Unfortunately the actual MAC address was lost along with the HD Th only thing I could have a reasonable guess at is that the chip will have a default subnet of 255.255.0.0 or 255.255.255.0

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Networking :: How To Connect Two Laptops With Cross Cable In Fedora 9

May 3, 2010

I have two laptops running fedora 9 (32-bit and 64-bit on each system) and I want to connect them together for sharing files. For this I have a cross cable i.e.,a simple cable that is usually used to connect a PC with ADSL modem.

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