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Questions tagged [wired]

17 questions
5
votes
2 answers

Ubuntu wired network disconnected

I am not able to establish a wired network connection between two computers on which I just installed Ubuntu 10.04. I am new to this environment. Unlike in the Windows environment, where it happens by just connecting them with a cable, Ubuntu keeps…
Deep
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5
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2 answers

Password protect wired LAN?

The title is not a mistake, I really am talking about wired, not wireless. Essentially, I was wondering if it was possible to password-protect a LAN wired network to enhance security and only allow computers knowing the password to join. I thought…
kmagic
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3
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3 answers

Dynamic DNS Updates with Wireless and Wired interfaces

We have offices full of Windows & Mac users who obtain IP addresses from a Windows DHCP server, which in turn updates Dynamic DNS entries. We are noticing major inconsistencies with the entries, and have found that the problem is occurring more…
Phaedrus
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3
votes
4 answers

Downloads are consistently corrupt, what are the potential causes?

I am consistently experiencing corrupt downloads over TCP/IP and Ethernet on a small LAN, the downloads are coming from different sources on the Internet. WAN is comcast cable.. NIC is brand new. My theory is that this is being caused by a bad…
Thomas Dignan
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2
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0 answers

Run DHCP only after wpa_supplicant has connected (wired 802.1x)

I have a network here that uses 802.1x on the wired network to authenticate for greater privilege, BUT without (or "before") auth will place the machine in a default/quarantine network. For good luck, that default network answers DHCP, and once you…
Jim
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2
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1 answer

Adding a wired network to our small office

I'm adding a wired network to our small office. We have about 10 employees but may double to 20 in the next 6 months. We have a PC Engine APU router with three ports: Port 1: Uplink Port 2: Unifi Access Point Port 3: Empty I'm considering the…
Dave Stibrany
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0 answers

Auto switching between wired and wireless connections

How about this situation. Our business deals a lot with medical information. And some of our clients have demands based off HIPPA, etc. There is one now where they do not want an employee to have both wired and wireless on at same time. If the…
Joe
1
vote
1 answer

NAP solutions for windows network

I am looking for a NAP solution for a network. Either an Appliance or software to run on a windows server. I have played with windows server 2008 r2 NAP but i dont think this is going to be a good solution. I want to basically force users that…
JohnyV
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vote
1 answer

How to determine whether an internet connection is wired or wireless?

I work in the IT department for the residential housing area at my university (network operations is separate from ours). I've wondered how is it that when someone registers a MAC address on our device registration portal [to get wired internet…
A1_Brownies
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1 answer

Wired connection fails to upload files to Amazon EC2 instance

Here's the situation. I have an EC2 Ubuntu instance (henceforth called the server) running a few websites. I have a home network of two computers: The desktop PC is connected to the router (via a wired connection). The laptop is connected…
Mougli
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0
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1 answer

cat6 wall connector. 2 wires 1 connector?

Do you guys know the best connectors to get for a cat6 configuration? The total cable length is 100FT so its not huge but I have it going strait through with 4 total connectors. I want to wire the middle ones so that they not only give the wall jack…
Lbaker101
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2 answers

What can make that a wired connection works with Linux or WIN7 but not with XP or Vista?

I'm setting up the network for a company, and facing a weird issue. The network is very simple: An xDSL modem/router, a switch, a bunch of windows clients (XP, vista, 7). The room is wired and provides RJ45 plugs in the walls, which are all…
MatthieuP
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2 answers

wired to wireless to wired network

There's a small network that's in 1 building that we want to extend to another building about 75 feet away but running an Ethernet cable is not easily doable. I'd like to extend the network wirelessly but I don't recall ever going from a wired, to a…
Jeff
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1 answer

Simple way to secure a wired link with 802.1x in "peer to peer" mode without server

I have an Ethernet link between two Linux hosts with a static IP config using systemd-networkd on the both sides without router, DHCP server, etc. Is there a simple way to add a basic 802.1x security with only a shared passphrase (without…
Emeric Verschuur
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2 answers

TWO routers/modems, ONE network. Wireless Device DHCP

My company's network contains various LAN workstations and Servers, controlled by a Smoothwall firewall/gateway. Currently the Smoothwall routes outbound traffic automatically to an ADSL model (it can't have a new network card sadly, so can't load…
Dom
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