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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3k views

How to unlock a cluster in a Packet Tracer activity?

In preparation for my upcoming Cisco exam I'm reviewing all the packet tracer activities. I am currently stuck at 3.3.2.7 Configuring PAP and CHAP. In this I am required to click on a cluster and ...
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0answers
5 views

Setting up a pentest lab with windows xp and kali as guest on virtualbox only one way connections?

So i have kali linux 2016 and windwos xp installed as guest in virtualBox the i followed an instruction on superuser for making the two guest talk to each other. Now windows xp is capable of pinging ...
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0answers
13 views

How to troubleshoot Centos 7 connectivity issues behind a home router

In trying to setup some test services at home, i've run into an odd situation where it seems that centos7 instances cannot properly communicate through my home router (netgear r6400), whereas ...
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1answer
16 views

My new D-Link router won't let my phones connect to it wirelessly

I already bought the Netgear CM400-1AZNAS modem and the D-Link DIR-813 AC750 Router from Amazon. I think they will be enough or probably better than my current combined modem and router from Xfinity ...
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0answers
10 views

Wifi and Router work, until I plug ethernet from laptop to router

My router and wifi work fine for all devices. However I prefer to use an ethernet when I want to play online games with my laptop. When I start the computer with an ethernet b/t my laptop and the ...
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0answers
5 views

How can I make hostapd WPA2 work?

I'm trying to create a simple WPA2 WiFi access point so that I can use WiFi more reliably when I'm far away from the router. I'm following this guide except I'm using a custom version of hostapd that ...
0
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1answer
13 views

specific wifi network doesn't show up anymore

I have a laptop that a specific wifi network doesn't show up anymore. In others devices, such as this laptop I'm using right now, my smartphone etc the network show up and connect without any issue. ...
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1answer
10 views

Drivers on my Dell Laptop

Today I installed Windows Server 2008 on my old dell inspiron 8200. I was having some issues because I could not connect to the internet. OFF TOPIC I am new so I have no idea where do I ask this ...
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1answer
21 views

Windows 10 can no longer find Ubuntu Server

I have a Windows 10 laptop and Ubuntu Server 16.04 setup on my home network. Previously, I've been using Putty to connect via SSH from Windows to Ubuntu without a problem. Today, however, my Windows ...
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0answers
4 views

Get domain redirects on a VPN connection

I'm not optimistic this is possible but here goes: We're taking over a website from a company that is no longer in business. The way the employees used to access the various portals for this site was ...
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0answers
19 views

I want to remotely connect to my computer

I am using Reliance 4G mobile internet (i connect through mobile wifi hotspot to pc), my mobile has been assigned a ip of 10.x.x.x network (private) and , when i use hotspot my pc is assigned ip in ...
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0answers
16 views

How can a sleeping PC stay on Windows network discovery?

I have a x86 NAS and ARM single board computer. The NAS consumes 30w in idle time so I set it to go into sleep state when idling and wake on network access (ARP packet to 192.168.1.30 and 192.168.1.31)...
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0answers
5 views

VMware iSCSI controller unreachable + slow connection

I'm building a vmware ESXi labor for my thesis with a main and within that 2 nested ESXI's. Furthemore I created a virtualized NAS on the first level (main hypervisor) to implement iSCSI LUN/targets. ...
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0answers
335 views

How to setup QoS in DSL 2750u ME_1.03 Firmware?

This question is not a duplicate of this one (which doesn't have an answer) The firmwares are different and also the options, but we have the same problem with traffic control. These are the ...
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1answer
5k views

Firewall open ports for vSphere

I need to open ports on a firewall, so that a client could access his VM console through vCenter server's Web Client. I had a look at this page about port description, but I am a little confused. I ...
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0answers
2 views

Mount OS X Mavericks Server fileshares from Windows 8.1 over VPN

My workplace uses an OS X server running Mavericks as a fileserver. (Not my fault; they're an all-Mac shop since long before I arrived.) I am able to mount fileshares from that server on the two ...
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1answer
43 views

VGA to ethernet

SSH is a protocol used to communicate with headless systems but when there is pxe and bios problems it becomes too difficult to handle specially if we don't use serial console , kvm and other ...
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6answers
10k views

How do I find the IP address of a Dlink wireless router?

How do I find out the IP address of a DLink Wireless router that I have plugged into my Wireless Router? I want to reach the admin page and change some settings but I dunno how
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1answer
14 views

How to share Internet both via wire and Wi-Fi?

I try to convert Windows 7 computer to router. I can create Wi-Fi hotspot via netsh and share Internet via this Wi-Fi. I also can share Internet with wired connection. But how to do that ...
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1answer
18 views

How do I set up a dedicated IP address for a service in Ubuntu?

I've got 2 IP addresses for my machine, examples: x.x.x.1 x.x.x.2 My current server address is x.x.x.1 and the server is running service A, B & C. I would like to provide service A & B on ...
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0answers
5 views

Google compute engine Network charges

As an example, if we create two compute engines under the same project in the same region (ex : asia-east1 Static) When we communicating between those two compute engines through public IPs does it ...
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1answer
3k views

Linux Mint 17 Windows network shares

I have installed Linux Mint 17 Cinnamon on my desktop in an effort to migrate from Windows (and only keeping a VM with Windows) but soon I discovered that I can't see any workgroups after I click on ...
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4answers
4k views

D-link DIR-636L wireless drops periodically

Just a few days ago, my router started acting up. We have several laptops and phones all connected fine, then I will suddenly lose internet access. The windows 7 networking icon is showing me ...
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0answers
113 views

D-Link router website filter doesn't work for some websites

I'm trying to set up a whitelist on my DIR-810L router, and it's allowing some websites to pass through. Specifically, ones I often use. I've confirmed that the schedule is working properly because ...
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1answer
33 views

Is this Microsoft service I found safe to use and/or will it ruin user's privacy?

I was trying to find a IPv6 tunnel after a site needed it, and was about to change the default Teredo config when I realized it was set to Microsoft's servers. I later ran netsh int teredo set state ...
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2answers
53 views

Can't block syndication.twitter.com in pfSense

I noticed, that address https://syndication.twitter.com/ is often hangs in Chrome, and added it into pfSense Firewall block list. Unfortunately, I still can open this page (receiving 404 error). How ...
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1answer
20 views

Can't remotely connect to server with hostname, IP address works- CentOS 7

I just installed centOS 7 and configured my network as given here When I did cat /etc/resolv.conf, I got: # Generated by NetworkManager search home nameserver <IP address> So I guess I have ...
129
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14answers
84k views

How to reliably keep an SSH tunnel open?

I use an SSH tunnel from work to go around various idotic firewalls (it's ok with my boss :)). The problem is, after a while the ssh connection usually hangs, and the tunnel is broken. If I could at ...
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2answers
60 views

Windows 10 ftp folder keeps opening in browser! How do I change it?

I created a network location on my Windows explorer menu to open the ftp directory to my Nexus phone. At first it couldn't connect and it stupidly was asking me what app I wanted to open the folder ...
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1answer
58 views

How to set up OpenWrt traffic rule for port forwarding IPv6 server on my LAN?

I would like to allow inbound IPv6 traffic on ports 80/443 for a globally routable web server on my home network. What's the best way to do this with OpenWrt, which by default blocks incoming IPv6 ...
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0answers
26 views

Share the drives of two computers over two routers

I have 2 wireless routers. One (Router 1) is regular internet and a second (Router 2) running an open VPN. I have some items that can't run through the VPN and some I want to encrypt securely through ...
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0answers
9 views

PS4 Router Settings (Nighthawk)

I know this may be a strange question, but I figured if anywhere knew anything about straight up networking on consoles, it'd be this sub-forum. Here's my question, straight up: What settings can I ...
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0answers
13 views

how to limit upload and download speed from the server to the client are there any programs?

iam going to host a local lan gaming server in my college wifi network which is divided into several subnets. the problem is that client pc near to the server use more bandwidth when compared to the ...
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1answer
20 views

How can I RDP to an azure VM when the VM is connected to corporate VPN?

I have a VM in azure I like to use for development. I built it with 2 NICs in hopes that I could have two public IP addresses, but that doesn't look possible in azure. When I connect to our ...
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0answers
11 views

Hostednetwork on Windows 10 with 2 Wi-Fi adapters?

Recently I purchased a USB Wi-Fi adapter that's capable of connecting to 5GHz Wi-Fi networks, for use with my old notebook which only has a 2.4GHz adapter built-in. I intend to share the connected ...
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3answers
74 views

How does IPv4 subnetting work?

How does Subnetting Work, and How do you do it by hand or in your head? Can someone explain both conceptually and with several examples? Server Fault gets lots of subnetting homework questions, so we ...
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0answers
19 views

Block Network access for Microsoft Excel

I have a macro that is stuck on running and has frozen my Excel. Basically its a loop through roughly 80000 rows performing SQL queries on each row with ADO.DB Save disabling the network card, is ...
7
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2answers
9k views

Why G Does Not Light Up In Network Cable Tester?

I have bought a network cable tester and in the manual it said that all lights from 1-8-G should light up in sequence. However I get only 8 without G, although the cable is in working condition. Here ...
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2answers
30 views

Would a dual band router help when on low speed dsl?

I am stuck on 3Mbps dsl and cant upgrade (verizon doesnt have a faster option in mt location). The current modem/router is a DLink 2750B which is only 2.4ghz. I also have 2 linksys range extenders ...
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4answers
5k views

Sharing internet connection from host to virtualized Ubuntu with Virtual Box

I have Ubuntu 11.10 in Virtual Box installed on Windows Vista. I am having a Broadband(PPPoE) internet connection. I would like to use my internet connection inside Virtual Box in Ubuntu. I tried with ...
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0answers
8 views

Modem TS-9000 ADSL - Opened ports, but they're not working

So I have a Telsec TS-9000 modem, and I'm testing an old computer, using Windows XP SP3, firewall disabled, antivirus disabled, not behind a router, the modem's DMZ is disabled, I forward the port ...
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1answer
17 views

Can't route traffic to VM on corporate Network

For reference I am a web developer with only the most basic knowledge of networking. I don't even have the perspective to ask this question in an intelligent way so bare with me. I am trying to setup ...
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0answers
10 views

Windows 10 wifi card/device disconnects & disappears from device manager randomly

I have hp 15 r012tx laptop, i did a clean installation of windows 10. My wireless card has been acting up, sometimes it will drop connections and all i have to do is reconnect and it works fine and ...
0
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1answer
26 views

VMWare Workstation VMs Change IP Address without powering on

my home router changed and now new gateway is 192.168.1.254 and i see no way to change it to 192.168.1.1 I changed my physical machines to use 192.168.1.254 as the new gateway now I have around 200+ ...
3
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1answer
434 views

Virtualbox can't detect any network adapter after upgrade windows 10

I install virtualbox 5.0 in Windows 8.1 and running smoothly, but after I upgraded to Windows 10 my virtualbox could not detect any network adapter. I've tried to reinstall virtualbox with this way ...
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0answers
28 views

How to diagnose network problems?

We have a user getting timeouts from the network and I have no idea how to fix the issue. Sometimes she gets 3 or 4 a day. When she tries the same thing again it works. She is getting the errors ...
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0answers
21 views

Getting DHCP, Gateway IP and MAC address from diagram

I found an interesting diagram(picture) today, that is asking to find out the missing IP(numbers). I know It should be easy, but I can't make it. What I have found is: 31(?1).194(?2).254(?3).x(?4 ...
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0answers
187 views

Dlink dir 685 with static IP. Cannot see router from other network

I have l2tp connection. My ISP gave me static IP. I can ping this IP from my ISP network successfully. But if I ping it from other ISP - it doesn't. I have dlink 685 router. Unchecked in Firewall ...
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0answers
8 views

Windows 8 - Wifi option gone from connection options. Can connect via Physical Connection only

I don't see any Wifi option in Windows > PC Settings: No Wifi Option in Network And Sharing Center: I Uninstalled and Reinstalled Ralink Wifi Drivers, its showing up as installed in Control ...
31
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6answers
97k views

What is a subnet mask, and the difference between a subnet mask of 255.255.255.0 and 255.0.0.0?

My DSL/WiFi router provided by my ISP has an internal IP address of 10.0.0.138, the addresses provided by DHCP are in the format of 10.0.0.xxx. Now, I want to start using static IP addresses on my ...