Questions tagged [networking]

Networking refers to the technologies and techniques that enable the interconnection of devices and applications allowing them to communicate electronically.

Networking refers to the technologies and techniques that enable the interconnection of devices and applications allowing them to communicate electronically.

Originally referring to local-area networks (LANs) designed to allow communication between computers in the same office or university, networking now covers a broad swathe of topics. To name but a handful:

  • small-office/home-office
  • campus/metro area networks (MANs)
  • datacenters
  • wide-area networks (WANs)
  • optical networks
  • telephone networks
  • Voice over IP
  • wireless LAN
  • cellular telephony
15498 questions
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Linux ifIndex persistence for SNMP

We are using OpManager to montior interface devices on remote linux boxes. These boxes have VLANs that we use to collect information about the networks that are being trunked to the boxes. For example we have eth0.2, eth0.3, eth0.12, eth0.13,…
jinanwow
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How do I configure IIS to allow access to network resources for PHP scripts?

I am currently working on a PHP front-end that joins together a series of applications running on separate servers; many of these applications generate files that I need access to, but these files (for various reasons) reside on their parent…
Dereleased
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MAC address spoofing - why doesn't this work?

So I'm in a new job, and they're pretty draconian about their network, hardware, and OS security. :-( I'm a web developer, but am forced to use IE7 for development simply because they don't want ANYone installing ANYthing other than the…
loneboat
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Windows Server 2008 R2 as VPN Server

I'm going to be setting up a network at a data center and I was wondering if it's possible to have Windows Server 2008 R2 act as a VPN server. Also, I've heard there are 3 main types of VPN: PPTP, L2TP/IPSec and SSTP. After some investigation it…
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I need to setup a Guest wi-fi SSID so customers/clients can connect to the internet, what's the best way to do that?

What are the best options out there to be able to provide a guest wireless internet access so they can't see the rest of devices in LAN?, what's the best and also cost effective appliance that will do that?
Terumo
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Hyper V network adapter configuration on parent partition

I've been reading around Hyper V and how it manages virtual networking & I think I've spotted a problem with a small cluster that has been put together for me by our networks team to host a SharePoint farm. The servers is question have two NICs - 1…
Chris W
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Setting up a Honeypot in an Enterprise Environment

I'm interested to see if anyone here who administers a large environment (200-500 Servers), and has a very large public customer base (100,000+), has set up (or has at least considered setting up) a honeypot? I'm specially interested for those that…
khosrow
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What is the Maximum MTU supported in DSL Standards

Do any of the ITU DSL standards limit the maximum MTU that can be supported? I know that RFC2516 (PPPoE) limits the MTU to 1492 bytes; however when PPPoE is not used this limit should not exist. The PPP, L2TP and ATM AAL5 standards all have 16-bit…
Russell Heilling
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Do companies spy on other companies?

One manager i work with insist companies take the time to spy on large competing companies. The company itself does not allow passwords to be revealed by phone or IM with our jabber IM being encrypted (or so i am told) and running on company…
user274
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Why do some Wireless Access Points cost so much more than others?

Here are three different Wireless Access Points with similar specs: $875 CISCO AIR-AP1252AG-A-K9 Wireless Access Point $150 NETGEAR WNAP210-100NAS Prosafe Wireless Access Point $49 TP-LINK TL-WA901ND IEEE 802.11b/g/n 300Mbps 3 antennas Wireless N…
Portman
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How to connect a switch to a wireless network?

We've got a wireless modem which I don't have direct access and now I need to connect 15 PCs to it. These PCs all wired and connected to my 24 port switch. Now how can I make my switch to connect this wireless network so all these 15 PCs can connect…
Karma Soone
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Network freezes with KVM/libvirt and ip_forward = 1

I'm using KVM and libvirt and experience small network freezes on the host and the guests every 2-3 minutes or so. The freezes last 1-2 seconds. The used OS is Ubuntu 10 LTS server edition. I'm using a standard bridge setup with the host…
Tobias G.
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How to properly nest a wireless router behind a wired router?

I wish to repurpose a wireless router to serve as a wireless access point behind a wired router (serving as gateway to WAN) so that I don't have to buy more hardware and recapture value on prior equipment investment. As far as I know, I should set…
bwerks
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How should I set up my Hyper-V server and network topology?

This is my first time setting up either Hyper-V or Windows 2008, so please bear with me. I am setting up a pretty decent server running Windows Server 2008 R2 to be a remote (colocated) Hyper-V host. It will be hosting Linux and Windows VMs,…
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Disable dhcp client over one interface

I'm encountering a problem on a sever with two ethernet interfaces(etho and eth1), it runs linux-ubuntu-server. I need eth1 not make any dhcp request, becouse I need it to be only a listening interface, obviusly I need eth0 running normally. So how…
Lopoc
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