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A router is a device that forwards data packets across multiple networks. Questions tagged with router can cover router hardware, software, and network configuration.

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dd-wrt on Linksys wrt1900acs v2 Not Giving access to Internet

ultimately I am looking to have my dd-wrt router provide vpn access (using StrongVPN) to all devices that connect to it. Others (not requiring VPN) will connect to my carrier-provided vdsl router/...
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Never used Cloudflare - where is Cloudflare error message coming from?

I am trying to understand why we are getting a Cloudlare error when we've never used Cloudflare. We have a Peplink 210 which has two WAN ports and serves as our firewall and router. One WAN port ...
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Virtualbox Win7 guest on Linux host can't see Internet when host connected via wifi extender

I have a Windows 7 VM set up as a guest in VirtualBox 5.2.16-123759 running on Ubuntu 16.04.4. The VM is configured to access the Internet using the host's wifi device as a bridged adapter. When the ...
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How to update DNS AAAA record when SLAAC clients appear

I have a routed /64 from my ISP and I am running radvd. My clients (Linux, Windows) are working well without any additional configuration when they get plugged into the router. They all assign ...
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My Linksys router wrongly identifies my computer

It's an old IBM ThinkCentre but my router identifies it as a MacBook, names it as MacBook and also associates my Mac address with it and then says that another computer on the network has the same IP ...
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Converting Multi-subnet SOHO to IPv6

I am migrating my multi-subnet ipv4 home network to ipv6. Unfortunately, I am with an Internet provider who supplies only one non-but-mostly-static GUA/64 address. With or without Internet, I want ...
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Locking an IP to a computer

I have a network with 4 computers. Three are connected by cables to the WIFI Router, one connects by wifi I have a static IP from my provider The problem I have is that every time the router is ...
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Use tcpdump to find all packets in and out and the interface used for each

I would like to debug the routing behaviour on a Linux box working as a router. What I'm looking for is the equivalent to tcpdump which can show me all IP packets going in and out of my box along the ...
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Connecting ethernet cable to TP-W8901G breaks 192.168.1.1 web page

I'm experiencing a strange problem and would really appreciate some help from you. I recently moved into a new apartment that has a very outdated internet setup: 20 MBit connection with a TP-Link TP-...
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Double NAT for isolation

I have an existing network but want to provide WiFi in a room that is isolated from my main network. I thought a simple WiFi router would be good for the job as the NAT will prevent access to anyone ...
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How to find which network Client is consuming most internet bandwidth? [on hold]

A lot of times, the internet slows down at our office and we've verified that it is not the service provider's issue, it's just one or few clients on our network sucking up all the bandwidth. I've ...
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How can I find out servers my Android box is connecting to?

I have an Android TV box and want to know which IP addresses it is connecting to view the network traffic. How can I do this? My router (Netgear Nighthawk R7000) does not have a feature like many ...
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If you have 2 computers on a wifi repeater, does the signal go through the main router?

I have pretty decent knowledge of networking but have this question. Say I have 2 computers both connected to a wifi repeater named A and B. If A connects to B (VNC, RDP, whatever), do the packets ...
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Connecting to Cisco VPN drops wifi connection

I use a work laptop (Lenevo Thinkpad T440p) and sometimes when I work from home, I try to connect via Cisco Anyconnect VPN. The problem When I start my laptop and it gets automatically connected to ...
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Computer losing wired connection for a couple seconds and reconnects

I've recently been experiencing an issue that's most noticeable while I am playing games. The ethernet is losing connection for a couple seconds and reconnecting (The ethernet icon on the bottom right ...

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