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

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0answers
14 views

Custom network devices naming scheme

I have an ubuntu image to be used on virtual machines. I don't know in advance how many NICs would be used for the machines. I need all network interfaces to get names from a predefined list.For ...
0
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1answer
23 views

trigger command over network from/to Linux [duplicate]

I have two linux (gentoo) boxes A and B. Both are connected via LAN.A has a camera with motion detection. If motion was detected I can trigger a command on A.I want to send a ? message/packet to B ...
4
votes
1answer
12k views

Block Access to Windows Update

I use a company laptop for work. Usually, I work from a client site. Recently, this client has prohibited the use of its Internet Access from 3rd party. So we switched to a 3G modem + hub as a ...
1
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0answers
13 views

Bypass VPN from VirtualBox

I have a following setup:Windows 7 host machine with AT&T Global Network Connection VPNVirtualbox with Fedora and bridged network connectionTheoretically, as far as I know, such connection ...
1
vote
2answers
2k views

Whitelist Windows Update Servers

I have a router that supports white listing by website domain name. I have a Windows 7 machine that I would like to allow my young kids to use for accessing a selection of white-listed websites. Is ...
1
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0answers
7 views

Ip payload compression with xfrm

I'm trying to compress ip payload with ip xfrm between 2 computers. Machine 1 has the ip address 192.168.0.1 and computer 2 has 192.168.0.2. I successfully established a IPSec link between the 2 ...
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votes
2answers
47 views

How to connect computers to switch?

Me and my teacher came up with a problem that shutting down over 14+ PC's, updating them one by one takes tons of time and annoying to do.We have switches on the second floor, computer class at ...
0
votes
1answer
83 views

How often will an unassociated STA scan the network?

Consider an 802.11 STA that is currently unassociated. While unassociated, how often will it scan the network (passively or actively) to determine available APs?There is enough information about the ...
0
votes
4answers
8k views

Cannot Access Web GUI after changing to Router mode DD-WRT

I have a wireless router running DD-WRT (the latest version) and I set it up to be a Repeater Bridge to function as a second router, which means I had to change the Local IP Address and change the ...
2
votes
1answer
4k views

Network interface configuration on Debian 6 (No DHCPOFFERS received)

I am trying to configure an interface to allow internet connection on a home server which runs Debian 6 x86.The server is behind a router which has DHCP enabled. The router IP is 192.168.1.1 with ...
0
votes
1answer
6k 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 ...
1
vote
2answers
3k views

Ubuntu server virtual machine on a Mac Mini can’t ping servers on the Internet

I’m attemtping to host my own development web server in a VirtualBox guest virtual machine running Ubuntu Server. I would like this virtual machine to be accessible from not only my home network, but ...
0
votes
1answer
56 views

Why I can not connect to my local server from windows?

I have the following setup at homeA machine running CentOS7 IP 192.168.15.12A laptop running Windows10 IP 192.168.15.4I have both computers running also with OpenVPN with a tunnel CentOS7 has ...
0
votes
1answer
57 views

TCP spurious retransmission and duplicate ACKs for Virtualbox guests when bridged

Using Virtualbox 5.2.8 on Windows 10 Pro 64 Bit I noticed that sometimes TCP connections stall. The guests are Linux (various distributions). When I investigated the issue I found that this happens ...
0
votes
0answers
7 views

VBoxManage natnetwork portforwaring not working as expected

I'm running a headless guest 12.04 Ubuntu from a headless 16.04 Ubuntu host, using VBoxManage. The guest VM is configured with a natnetwork.VBoxManage modifyvm "Ubuntu 12.04 Server" --nic1 ...

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