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.

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101 views

Diagnosing iSCSI bottleneck

I just got my hands on a few DL380 G5s, and I thought I would use them in my home lab to test out the creation of a Hyper-V cluster using an iSCSI storage setup. I have installed Server 2012 R2 on all ...
5
votes
0answers
4k views

How do I configure DD-WRT to forward IPSec traffic to an internal server to support a road warrior configuration?

I use dd-wrt as my home router setup and that's been working fine. Now I wanted to figure out a way to be able to use my iPad to set up a IPSec tunnel to my home network while I'm on the road. PPTP ...
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votes
0answers
1k views

Make Genymotion use a host VPN

I'm using Cisco's AnyConnect to connect to a VPN using my Windows 8.1 PC. When using the Genymotion emulator, I would like it to use the VPN too. However, although having Internet access from the ...
4
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0answers
244 views

Nas/Switch/ DD-WRT Router, Interesting Problem

I had a network setup that consisted of the following. WNR2200 [router] with DDWRT [Firmware: DD-WRT v24-sp2 (06/23/14) std] running on it, connected to a Netgear 8p Gigabit [Switch]. My laptop and ...
4
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0answers
582 views

VirtualBox Port Forward not working when Guest IP *IS* specified (while doc says opposite)

Trying to port forward from host (Mac OS X) 127.0.0.1:8282 -> guest (CentOS)'s 10.10.10.10:8080. Existing port forwards include 127.0.0.1:8181 and 9191 to guest without any IP specified (so whatever ...
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0answers
3k views

Route outgoing VPN traffic through local transparent proxy

I have a Digital Ocean droplet (similar to an Amazon EC2 instance) running Ubuntu Server 12.04.3 x64 with both strongswan 5.1.1 (built from source) and squid 3.4.2 (also built from source) installed. ...
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0answers
26k views

An error occurred while Internet Connection Sharing was being enabled

I want to share my lan internet connection over my hosted network. But it's being failed due to An error occurred while Internet Connection Sharing was being enabled... I found this post but all the ...
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0answers
11k views

How to fight network latency and jitter issues on Wifi?

I'm having problems with my Wifi connection. I did a test on PingTest.net with the following results: Packet Loss: 0% Ping: 103ms Jitter: 29ms Same test but from another machine on the network ...
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0answers
1k views

How to copy connections to other locations in Mac Network Preferences

The Problem: I want to be able to use selected connections in different Location(by Location I mean Location combo in Mac Network Preferences). I want to be able to find a connection in Network ...
3
votes
0answers
48 views

Enabling DHCP via PowerShell results in 2 WiFi connections to same network

I have a VM on my network setup as a gateway that I use sometimes, while most of the time I just leave my PCs configured to use DHCP and just have everything go through the router. I had been swapping ...
3
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0answers
21 views

How to add a nameserver to Solaris 11?

I'm having a name resolution problem in Solaris 11. According to the online Solaris guide, Chapter 12 Setting Up DNS Clients: Client Set Up Setting up DNS on a client machine involves two ...
3
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0answers
29 views

Forwarding traffic on Linux virtual machine received through GRE tunnel connected over OpenVPN

I'm trying to route traffic destined for the public Internet through an OpenVPN network, where the traffic will exit the VPN through another client on the network (that happens to be a VirtualBox VM). ...
3
votes
0answers
55 views

where does Windows Task Manager measure network data rate

I am trying to build a 10Gbps Ethernet channel between an FPGA and a Windows 7 PC. For a rough estimate, I measured the bandwidth usage of the link using Windows Task Manager's Network Tab. Later I ...
3
votes
0answers
55 views

I keep getting unusual devices on my router

I keep seeing devices on my router that aren't mine (I have cataloged the MAC addresses of the devices in the household). I can ban them, but I can't stop them from coming. Although I use a secure ...
3
votes
0answers
160 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 ...
3
votes
0answers
30 views

Prioritizing port 80 on a shared network

I share my internet connection with my entire town of about 1000 people. This makes the connection very slow when trying to browse the web (youtube videos takes forever to load on 144p). When ...
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0answers
50 views

Adjust linux disk flush intervals to avoid blocking user processes

I'm downloading files on a sd card mounted on a raspberry pi using rtorrent, at around 6MB/s (bandwidth cap). The user process doesn't flush the data itself, and the interval at which the disk cache ...
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0answers
52 views

Watching YouTube and saving network usage

Like me, some people may be constrained by the monthly cap they can consume the Internet usage. Thus, my question is, Will replaying YouTube videos again cost you twice the network usage? I always ...
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votes
0answers
13 views

Modified file not being read over network

I have a strange issue with file sharing in Windows Server 2012. We have an application that's run from a network share. There's also a Terminal Services server so remote users can run it. This ...
3
votes
0answers
33 views

Tracert public address before internal address

So, I have been having problems with Frontier's 74.40.74.40 and 74.40.74.41 DNS servers essentially hijacking certain websites like Google over SSL (gives security warning) and have been trying to ...
3
votes
0answers
284 views

Configuring IP over DNS with iodine

What I am trying to do I am trying to implement a IP-over-DNS tunnel using iodine by following both this tutorial and this one (further in this question I outline exactly which steps I took). I want ...
3
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0answers
313 views

Connect and sudden disconnect of ap-hotspot in Ubuntu 14.04

I am having this problem since I first learned to create the ap-hotspot in Ubuntu 14.04 to share my ethernet over wifi. To create this ap-hotspot I followed these steps: 1. Create a wifi connection ...
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0answers
260 views

Finding IP Address from MAC of a device in a different subnet

I am new to networking as such, but I have been searching a lot about the problem of finding IP from MAC for the past couple of days. I have a device whose MAC address I know and I have an Android app ...
3
votes
0answers
45 views

Why would it be faster to hop SSH with pseudo-tty versus forwarding?

I have noticed that on my office's network, multi-hop SSH connections using the "pseudo-tty" method perform better (see last note) than using the "forwarding" method. Why would this be the case? In ...
3
votes
0answers
70 views

How do I have one OpenWRT router use the DHCP server of another OpenWRT router?

I want one router to be able to access the devices connected to the other router. However one router is connected to the internet modem by ethernet, and the other router is connected to it by wireless ...
3
votes
0answers
45 views

Troubles using Wake on LAN

I hope I'm posting to the right place, and apologize if it is not. I am trying to set up WoL on my computer but am having trouble. I went into my Realtek Network adapter through the device manager ...
3
votes
0answers
169 views

Network File Sharing no longer working after upgrade to Windows 10

Recently my family and I have been having problems with the Network File Sharing feature on Windows. We've had it working ever since we got our first version of Windows XP, but it seems to be ...
3
votes
0answers
98 views

PS4 Voice Chat workaround

Problem Currently unable to use the voice chat feature for parties on the PS4. Equipment List PS4 Linksys WRT1900ac (stock firmware, current main router) Linksys WRT54GL (DD-WRT firmware, backup ...
3
votes
0answers
177 views

Unable to bond two Wi-Fi adapters

I have two mobile Wi-Fi routers (with IP 192.168.0.1 and 192.168.1.1) and two usb Wi-Fi adapters and trying to bond them into failover connection. Using OpenSUSE 12.3 in YaST I've chosen Traditional ...
3
votes
0answers
77 views

Creating laptop wifi hotspot losing ssid when sharing connection

I have created a wifi hotspot on my work laptop I started the hostednetwork and in the network and sharing page I could see the ssid 'hotSpot1' under the wireless network connection 2 (WNC2) icon. I ...
3
votes
0answers
42 views

How can I read out the value of internal counter inside IPSet

I know there is an option named “counters” when creating an IP set with IPSet. However, I want to know how to read the value of the counters out, so as to know how many packets or how much data has ...
3
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0answers
497 views

Beaglebone DHCP Server Assigns its Own IP Address

I'm trying to run a DHCP server on my Beaglebone Black (running Debian), and I want to give it a static IP address - 192.168.17.1 - but it keeps assigning itself its own different IP address - 192.168....
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0answers
51 views

Is there a better way to prevent Internet connection before VPN connection other than carrying a mobile AP?

Cellular data (LTE, 4G, 3G, etc) is very expensive and one can find some free Wi-Fi APs. But these days, there are so many compromised or malicious APs. To prevent man-in-the-middle attacks and to ...
3
votes
0answers
63 views

Cuckoo with pfSense

I am trying to set up Cuckoo with pfSense, and it is either not getting the information from the Cuckoo server, or it is not correctly sending the info back to the result server. I am using a LAN ...
3
votes
0answers
52 views

Configure firewalld to distinguish home and public ethernet connection

I connect my notebook via ethernet at home and outside. I want to open some ports for services like samba only at home and not somewhere else. How can i let firewalld automatically detect where i am, ...
3
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0answers
566 views

Suspicious NetBios Name Service traffic

A friend of mine recently complained about the very bad performance of the Internet connection over her family's LAN. Apparently the Internet connection worked normal most of the time but certain ...
3
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0answers
9k views

Windows cannot open “Network And Sharing Center”

I cannot open "Network And Sharing Center" on my Windows 8.1 computer. When I try to get access to this window/dialog nothing happens. I usually right click on the network icon in the taskbar, and ...
3
votes
0answers
470 views

SCP error 'unable to open'

So, I set up a SSH server (freeSSH, win7) and can connect to it just fine with PuTTY. I then tried to use pscp to transfer a file (foobar.txt, from client to server). I cd-ed to the dir pscp.exe was ...
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0answers
495 views

Allowing internet connection through VPN

I had created a VPN income connection in windows 7. Everyone connected can see my local files and all, but I would like them to also be able to use my internet as well. my computer IP is 192.168.1....
3
votes
0answers
3k views

Route traffic from local network to VirtualBox host-only adapter

For a test I need to allow routing from my local network to a guest inside a VirtualBox. The guest already have outside access. So far I enabled ip forwarding on my local machine (OSX 10.9) and added ...
3
votes
0answers
530 views

OpenVPN, L2TP, or PPTP client that is a SOCKS5 server | linux

I need an OpenVPN, L2TP, or PPTP client for Linux - don't care which - that acts as a SOCKS5 server on the local machine. It should not set up tunnel interfaces or anything like that, it should just ...
3
votes
0answers
620 views

using NFS over unreliable networks (wifi/mobile)

I have a NFS server at home (and an openvpn connection that only works outside of home). My phone (Jolla) is basically Linux, and has mobile data/wifi/usb network capability. Basically, I want to ...
3
votes
0answers
224 views

3g modem is not recognized as an ethernet device without rebooting

I have two CentOS5 servers with kernel versions 3.4.52 and Huawei e353 usb 3g modem. When I plug the modem to my server usb_modeswitch runs and I can see the modem as an ethernet device with ifconfig -...
3
votes
0answers
7k views

Windows 8.1: Force all traffic through VPN

I have applications running which need to access a URL through the VPN - NOT through the general internet. I want to be able to specify that all traffic MUST flow through the VPN, but I don't know ...
3
votes
0answers
63 views

Is there any command-line to change my network mask in Windows shell?

I have not been able to find nothing on the netsh command shell documentation for changing only the netmask configuration without modifying rest of it (ip, gateway, DNSs and so on). The closest I know ...
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votes
0answers
1k views

How to mount a samba share on non-standard port?

The firewall on my network drops all packets on TCP port 139 and 445. So all samba shares don't work outside the LAN. I tried letting the samba daemon listen on a non-standard port. This method works ...
3
votes
0answers
831 views

How can I set an IPsec ID using the Windows 8 built-in VPN client?

I'm trying to connect to a VPN using the built in Windows 8 VPN client. The VPN uses L2TP/IPsec and a pre-shared key. I can see it's connecting to the VPN but not making it through authentication. I ...
3
votes
0answers
834 views

Share VPN connection and normal internet with mobile device over WIFI

I have a PC and Mac that I have running on a VPN for work. The VPN is only required for traffic to a sepecific set of servers (not all my internet traffic is routed over the VPN). The vpn is made (on ...
3
votes
0answers
1k views

eth0 not appearing. Tried everything that seemed to work for other people

Firstly, let me say I am completely new to Linux so if you're going to tell me to check something or do something, please give me a vague idea how. Installed Ubuntu Server (newest download I could) ...
3
votes
0answers
551 views

Setup BIOS to network boot to FOG server

I have a FOG server installed on my Ubuntu 12.4 OS. The FOG server is setup and running. On the client machine, I am trying to network boot into my FOG server, but it never connects. I can't figure ...