For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

learn more… | top users | synonyms (2)

0
votes
1answer
6 views

Linux SystemRescueCD, eth1 works but not eth0

Got a RHEL system that I'm trying to troubleshoot. I used the Linux SystemRescueCD (Gentoo Linux). When I boot, I choose option 1 ("default boot options"). If I boot and just configure eth1, I can ...
8
votes
3answers
570 views

Will a 100 Mbit/s wired router slow down my internal network speeds? (See diagram)

Now I understand that my Internet speed is determined by my weakest link, which in general is based on what speed I pay for. I am looking at purchasing a new wired router and the one I want is only ...
0
votes
0answers
11 views

Update network interface configuration in Ubuntu on the fly

I'm comfortable in software land but not server configuration land. Please redirect me if needed, this may be a stupid/misplaced question. Context: I'm using Ubuntu 14.14 within a VM on Oracle's ...
0
votes
1answer
10 views

OS X: Port forwarding a VPN to LAN

I have a Mac Mini running OS X 10.6.8. I use this old buddy as a Media Server. On this Mac Mini I have a VPN connection which connects me to a server running a service at port 80 and 4747. I want to ...
0
votes
1answer
15 views

home network, routing table entries

In my home network, the router has the following entries in its routing table: Destination Mask Gateway Metric Active 192.168.0.0 255.255.255.0 192.168.0.1 1 ...
0
votes
1answer
19 views

Accessing attached “Apple iPhone” in Win7 remotely via explorer/file sharing.

I'm wondering if it's possible to access an attached "Apple iPhone" device like I would a regular host directory from a Windows 7 box with file sharing turned on. Normally the syntax would be ...
0
votes
0answers
14 views

Internet is Fine When Connect Through Router and Not Through the Modem

And no: I didn't confuse a router for a modem. When I have my ethernet cord plugged into my laptop from the modem itself, I get no Internet, and no gateway. However, when I connect it through a ...
0
votes
2answers
46 views

How to block websites via host file with IPv6?

I am following the next tutorial to block some distracting websites: http://masonsklut.com/how-to-block-websites-on-your-mac-using-terminal/ The problem is that the tutorial covers IPv4 ...
0
votes
0answers
35 views

Farm network, no power [duplicate]

I would like to network a farm building which is 500' from my house. There are lots of trees between the two, so I doubt that wifi would work. 300' is the max length for Cat 5 ethernet cable. What ...
0
votes
0answers
19 views

Bypass ISP DNS hijacking with OpenWRT DNSMasq

So my ISP is blocking some site left and right, changing the DNS manually is not working due to Transparent DNS Proxy. The workaround is possible by installing DNSCrypt in my computer, however not ...
0
votes
0answers
4 views

iptables forward combined with bfifo doesnt work

I have 3 interfaces, 2 internal(wlan0,wlan01 )and 1 external (eth1) and i want to configure traffic from eth1 ,so i use iptables to send all outgoing traffic from the internal interfaces to eth1: So I ...
1
vote
2answers
24 views

why all the sudden I cannot access a remote SVN?

I am working for a company remotely. The SVN server is running on their site. I access it from my home remotely for several months. Yesterday morning I found I cannot access the SVN server. They ...
0
votes
0answers
16 views

Bridge external wifi over LAN to a local router to extablish home network

I work on a sailing yacht and I normally can use Port WiFi. My aim is to create an internal network (cable and WiFi) using the external datas. My hardware: external antenna with USB WiFi card ...
3
votes
1answer
41 views

12 Bytes of Silence

Between each Ethernet frame, 12 bytes of silence must be "sent". How are those 12 bytes of silence actually sent ? Is it : 12 bytes of "0000 0000" ("low" voltage on the wire) 12 bytes of nothing ...
-3
votes
0answers
26 views

Is it possible to access the internet of a computer on a network? [closed]

There is active internet connection on a network computer. I I want to access the internet of that computer, how do I do that?
0
votes
1answer
12 views

Sharing a 3G USB modem over Windows ICS

I'm currently having issues with my ADSL connection and it's looking like it's not going to be fixed any time soon. On my local network I have my Windows Server hardwired into my wireless router. ...
0
votes
3answers
29 views

Cannot connect to network on Debian

I have been working on this new freshly installed Debian machine for quite some time now trying to get the network going so I have internet. During the installation process for the network ...
0
votes
1answer
19 views

Router stops working

I got a router that stops working, and I would need advice on how to troubbleshoot this. Okay so here is the thing: My parents got a router given by the internet provider. The router works fine ...
1
vote
1answer
38 views

Can't access PC by name, but can by IP address

I'm currently having a problem where my computers B and C can access computer A by name (ie. \\computerA), but computer D cannot use the name. Computer D can only access A through its IP address (ie. ...
0
votes
0answers
18 views

Connect two Raspberry Pi network in a row

We have a setup that looks like this: [WiFi Router @ 192.168.2.100] | - [Raspberry Pi 2 (WiFi) @ 192.168.2.120] [Raspberry Pi 2 (RJ45) @ 192.168.1.120] | - [Raspberry Pi 1 (RJ45) @ ...
0
votes
0answers
11 views

debian linux push mac address change losing connection

0 down vote favorite i have tried changing my mac address both manually and with mac changer. When I change it the symbol in the upper right says im connected however the browser never connects. ...
-1
votes
1answer
23 views

Can someone explain intel(R) 82567V-4 gigabit network connection?

I don't know much about networks connection but I am working on a project for a class that requires solving a slow connection issue. Could someone explain what intel(R) 82567V-4 gigabit network ...
1
vote
0answers
17 views

Mask generated internet network traffic

I'm studying Linux system and something networking. Now I'm trying to understand whether there is a way to mask / fake / spoof the traffic (uploaded and downloaded bytes) that comes from my Linux Mint ...
0
votes
1answer
18 views

naive dd-wrt user - limiting pings to my home network - are subnets useful?

I am trying to set up connectivity for a guest Ubuntu VM run on a Windows 8 host laptop. I want to be able to connect to it from other machines on my home network. That's not working, but I can ...
-1
votes
0answers
17 views

How would you set up a scalable VPN server using Linux

I am trying to make a large number (say, 50.000) of distributed nodes reachable over the internet (HTTP only). Unfortunately, these nodes are in private networks that are not reachable from the ...
0
votes
0answers
34 views

dns behavior on home network

I set up bind on 192.168.0.1 machine. Also, I have subscribed to a domain service, so I use mydomain.net (sanitized name) for the FQDN in my home network. When I do an $ nslookup "name of ...
2
votes
2answers
53 views

Router wifi password encryption types and why do they matter?

up until now i've just been blindly following articles etc. to set my router's wifi password encryption type to WPA2-PSK/AES, but what does it really mean for me? does this just make it harder for ...
0
votes
1answer
19 views

ubuntu 12.04 nmcli doesn't list connections under one no-login user

I am running bacula as my backup system and I would like to run a script before some backup jobs to establish a VPN connection and access some servers that don't have public IPs. I have configured a ...
-1
votes
2answers
38 views

Which is the best software to use as proxy in LAN [closed]

I am working in a IT office where facebook.com is blocked and need to access facebook website as we have less work here. Someone told me to use proxy software but not sure which one to use. Please ...
0
votes
1answer
25 views

Difference between VPN and physical network connection

For a project I'm working on I need to be part-time based at our design consultant's office. We have set up a VPN on my PC at the consultant's office so that I could access our server. Our department ...
0
votes
0answers
37 views

Windows 10 ICMPv6 Echo Request/Reply not working

I have a strange problem that even though my firewall is completely disabled I can't ping my default IPv6 gateway. When I ping it from a Linux box it is working as expected but under Windows 10 ...
-1
votes
0answers
148 views

Do i check for Baseline or Utilization?

I get extreme slowness across the network every saturday. to find out the root cause of the problem, should i first check for Baseline or Utilization?
1
vote
0answers
33 views

El capitan unable to reach internet via wifi sometimes

Since yesterday (when my internet provider had some maintenance) my mac book pro (el capitan 10.11.4) has some problems with the Wifi, here's an extract of me pinging google.com via wifi: Request ...
0
votes
4answers
345 views

Can we use IPv6 addresses only?

I am trying to do a project about IPv6. My first query is, can we completely disable our IPv4 address and use only our IPv6 address? My second query is, how can an IPv6-only host communicate with an ...
0
votes
1answer
19 views

What is the resource consumption of a network drive

I have a Linux NAS with Samba shares. It is in our LAN and will be accessed by 25-30 machines (most of them running Windows). There are 10-15 different shared folders with different rights for the ...
0
votes
1answer
22 views

Linksys WRT1900AC custom domain routing

Can I configured on the router so that domain-abc.com maps to a designated public IP? Currently I can do it by configuring /etc/hosts to map the domain to any public IP on my workstation. However, I ...
0
votes
1answer
14 views

Port forwarding service conflict with an existing port forwarding rule offering Any service

I am trying to add a port forwarding rule to my router that will allow a webcam and a 3d print server to run so that I can have remote administration. I am getting the following error service ...
0
votes
0answers
14 views

CentOS7 kickstart file bridge bonded interface

I want to bond my four network interfaces: em1, em2, em3 and em4 to bond0, and make a br0 interface with bond0. I did this in the CentOS7 installation steps, and generated a kickstart file as below: ...
0
votes
0answers
12 views

Policy Based Routing Not Working Correctly

I have a openVPN connected on my ubuntu computer but I would like to have a couple of applications run through my home router untunneled. They run on port 22 and 32400 (ssh and plex). So I've done ...
0
votes
1answer
21 views

Cannot set ports to listening even though they have been opened Windows/Ubuntu

Currently trying to set up a connection (using sockets) between my localPC (windows) and my VM (Ubuntu). They are both on the same subnet and can be pinged. Went into Windows features, advanced ...
0
votes
0answers
5 views

Cant see UPNP or any devices on an rPI access point I made. Trivial / Simple fix? Iptable issue?

I setup a basic wireless access point to access my ethernet network from my wifi devices not near it. I can access devices by ip just fine, but devices connected to the wifi network can't see upnp ...
0
votes
0answers
34 views

Netgear router DNS issues, config page inaccessible

I have a netgear WNDR4500v2 router, which for the last several months has been having strange DNS-related(?) issues. For several months, routerlogin.net and http://192.168.1.1 (the current gateway) ...
1
vote
0answers
19 views

Trouble with Internet Connection-Websites keep connecting

My recently built DIY desktop is amazingly slow when connecting to school wireless: If I try to open a page for the first time, there is a 90% chance Chrome/IE would give me the error "connection ...
0
votes
1answer
24 views

How to safely open ports on home networks for testing purposes

I am trying to simulate a client/server scenario on my home network. To setup the socket connections, i require unused ports. For safety reasons these ports are closed. What criteria should be ...
0
votes
1answer
28 views

Remotely SSH into home computer that is connected to a VPN

I have a computer at home that is connected to a PIA VPN. I've been trying to figure out how to remotely ssh into that computer while it is connected to the VPN using port forwarding provided by PIA, ...
0
votes
0answers
18 views

Troubleshoot over utilisation on office network

I have a cisco 1941 router connected to a switch, and a modem. I suddenly noticed a huge slow down with the internet connection. It happened very abruptly. I did an isolated test and noticed i was ...
0
votes
1answer
18 views

making one network with ISP modem & own router

I have a modem from my ISP, with 2 LAN ports and a wireless network. (let's call these network A and wireless network A.) I bought a TP-link TL-WR1043ND, that has 1 internet port, 4 lan ports, and is ...
1
vote
1answer
35 views

Emails, domain names and spamming

I recently acquired a domain name for a registrar. I later on proceeded in buying some hosting space in order to create email mailboxes for my company. During the registration process for the hosting ...
0
votes
0answers
6 views

Troubleshot Android TV at local network [migrated]

I have Android TV (BenQ RP790) in my local network. It is pingable from the Android device but I can not cast on it. How to troubleshoot issues?
-2
votes
0answers
6 views

Connecting mysql from external or public IP

I have portforwarded the port (3306) but it still cant connect to my MySQL database. I'm trying to connect an AJAX webchat. and I have already used an account that is permitte to be used to other IPs ...