Questions tagged [routing]

Questions about using a router/networking, e.g. port forwarding, VPNs

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Can someone explain a tracert to my own public IP?

I'm trying to learn about ip routing and I'm am trying to trace route my own public IP. I just searched my ip online and tried it. the results I got were > tracert [my_public_ip] 1 <1ms 192....
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2answers
22 views

How do I force traffic intended for one NIC to never travel through a second NIC?

The setup: I have a computer with Windows and two NICs; let's call them NIC1 and NIC2. NIC1 is used to interface with the corporate network, and NIC2 is used to interact with some equipment we'll call ...
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1answer
45 views

Dual VPN network

I have to connect a server with a VPN service (anonymizer) and route all internet traffic through said VPN service. I've been struggling for over 2 weeks to get these commands with the help of this ...
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1answer
12 views

Routing traffic from device connected via Ethernet through my machine to the internet

I have a macOS (10.15.7) laptop connected to the internet via WiFi. The IP address of the machine is 192.168.1.2. Router: 192.168.1.1 I have an external device connected to my laptop via an ethernet ...
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25 views

How to view resolved ip adresses in tracert command in cmd?

How can I see resolved IP addresses in the 'tracert' command in command prompt. Some guy on the internet is getting resolved names for the same command as mine(tracert 8.8.8.8). His and mine.
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1answer
35 views

Using Wireguard to expose a public IPv4 subnet to VMs behind a LAN

Summary I want to use Wireguard to allow VMs on my home network to each have one unique public IP from a /27 pool (32 IPs) that I have routed to a dedicated server with a hosting provider. My goal is ...
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18 views

Two adapters in virtual box

I’m trying to set up a router on virtual box. The set up I am using is a windows server 16 I set adapter 1 to bridge and adapter 2 for internal. I was able to get another vm on a separate host to ping ...
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112 views

Internet sharing with Raspbian and Openvpn

The place I just started working wants me to work on a project to enable some of our internet-incapable network devices to access the net through a raspberry pi 4g dongle ethernet bridge. I made a ...
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1answer
31 views

Why can't I add a route with a different gateway?

I'm using Linux Centos 7/8. The main network is 92.168.0.1/24 The server has 192.168.0.70 The server is connected to a switch that provides me access to a different subnet. I would like to access a ...
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18 views

Routing table after connecting to VPN

I have some questions about what happens to routing table of my system and my router after I connect to a VPN server. Let me explain the scenario first. We are three devices in our local area network: ...
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1answer
22 views

Networking - Routing Between VPN and LAN

I have two computers connected via a VPN with application netovernet and when trying to access 192.168.1.10 from Computer 1, it doesn't succeed, even though I've activate routing in both computers via:...
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Simple Failover dual homing setup

I have a 50Mbps fiber connection, and it has daily downtime of 10%. The connection is down, exactly when I start to do something important. Also, I have a 4G connection with 4GB/day limit and weekend ...
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Rerouting all traffics from one interface to another

I'm using linux. I have a device connected to the ethernet interface on my motherboard (enp0s31f6) and my PC has a wireless card (wlp5s0) which is connected to the router . The device is sending DHCP ...
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2answers
36 views

How to route web server from localhost to LAN?

I develop web apps in microsoft visual studio on my desktop (ip = 192.168.8.2 , windows 10) . during development visual studio becomes essentially a web server bound to localhost:44396 . from there i ...
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Multiple IPs needing each separate MAC on same interface

You will likely need to take a peek at 1, maybe 2) of my previous questions to understand the setup and why currently, although the NIC has 4 ports, I use only 1 and all 3 IPs are assigned to it. ...
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Time to Live(ttl) value in IP DATAGRAM computer networks

I have a query regarding TTL in computer networks according to JAMES F. KUROSE in the book COMPUTER NETWORKING-a top-down approach Time -to-live- The time-to-live (TTL) field is included to ensure ...
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Quagga issues BGP to OSPF

I have an issue with my dual Ubuntu Setup We connect to a Microsoft express route link. Our routers (2x): Ubuntu 18.04 Quagga 2.4 Translating BGP to OSPF and vice versa This is the config of one ...
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Routing through another (non router) host in LAN

I have a 192.168.1.1 host, that is a router (connects WAN and LAN, acts as DHCP, DNS server) and is a default gateway for 192.168.1.0/24 But I want a specific machine (SM) in LAN to have access to a ...
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22 views

Windows 10 no internet access with 4G dongle & LAN

I have the following setup on a remote computer: Ethernet connection: only for local network - no internet access 4G dongle: internet access When combining the two, I don't have internet access. ...
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IPv4 Routing from two internal networks to one external network using Ubuntu Server 20.04

I have a Ubuntu Server I'm using as an Internet router. The interfaces are as follows: *Internal corporate network* eno1: 10.0.0.1/8 dhcp4: enabled *Public Direct Fiber Network* eno2: 50.**...
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1answer
60 views

Network connection drops on Ubuntu 18.04 when using a Robot Operating System (ROS) setup

I have a robot with the follow setup and the ethernet interface (enp4s0) of [Computer A] drops randomly. The interface does not drop when the computers are not doing much. However when [Computer B] ...
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20 views

Can i share bridged adapter on windows using ics?

I would like to bridge two host only networks from vm and then share them as a bridge to some other machines. I see "Sharing tab" (on windows Control Panel -> Sharing Center -> Network ...
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2answers
32 views

Can one split up a /29 network into two /30 networks?

I have a network from an ISP consisting of eight IP addresses (/29). Let's say it's 1.1.1.0/29. The ISP's gateway is 1.1.1.1. This network should be splitted up so that it can be used by two different ...
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IPv6 ULA subnet for Docker with router having different ULA-Prefix

I am currently experimenting / learning a lot of IPv6 stuff as I believe we will see more of it in the years to come. I successfully deployed a working setup using routing with a static, global prefix ...
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Android: route USA device traffic over France device mobile network [migrated]

I'd like to know how to best achieve the following: Use my Android phone in the USA as if I were navigating the internet from my Android phone in France. I'm already able to accomplish simple HTTP ...
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19 views

Merge 2 local networks?

First I wanted to say I'm very, very bad at networking and stuff. So... I have the 1st network and to make it easier, it's called "DabloPC" and goes from a modem. The 2nd network - "...
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27 views

OpenVPN and PiHole on same server: Identify / distinguish between VPN-Clients?

I have set up OpenVPN and PiHole on an Ubuntu Server (Pi). For VPN, I set up multiple VPN-Clients. I used this tutorial, since I need PiHole for LAN and OpenVPN: https://docs.pi-hole.net/guides/vpn/...
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26 views

Triggering An Event on Local Network on Any Communication to Specific Local IP & Port

Hoping someone with a bit more knowledge on networking can help me here, I'm not quite sure how to start approaching this problem. Abstract Problem: I'm interested in listening on my local network for ...
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1answer
44 views

how to update routing tables so that vpn is avoided

This is probably too trivial question, but I read a lot of pages and still cannot find info how to do basic stuff with routing. Background info: our company uses obsoleted vpn service(snx), does man-...
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1answer
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which rule from routing table is used for given hosname/IP?

I have to work with obsolete vpn, and when I start it, it creates a lot of entries in routing table. Is there an automated way how to tell say "hostname youtube.com upon this request will be ...
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Not getting response from ICMP echo request, all routing tables seems correct

The data network shown below is experiencing a communications failure between the Network A and Network B. Data Network Also, here you can see the routing tables of all the routers: Routing Tables It ...
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How to set the default outbound interface in Debian when using multihomed interfaces on EC2

In Debian 10 with an Amazon EC2 AMI (as of March 31, 2021), the /etc/network/interfaces file looks like this: # Include files from /etc/network/interfaces.d: source-directory /etc/network/interfaces.d ...
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Cannot access a local machine over Asus' AirMesh nodes

(This the right StackExchange community for this question?) Hello, I'm using two Asus routers in Airmesh mode. My main router AP is an ASUS ROG GT-AC5300. This is physically wired into another ASUS ...
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50 views

Why is traceroute showing a private IP address between the router and the WAN router?

I have a TP-Link Router (TL-R605), connected on the LAN to a TP-Link switch, and connected to the WAN directly to my internet provider router (ZTE F670L). The TP-Link router has an IP address of 192....
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3answers
60 views

How to run a web server on my PC without static ip

I have two related questions: 1- When I see my global IP address in a website like https://whatismyipaddress.com/, which is for example X.X.X.X, I think this is not only mine, and a lot of people who ...
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0answers
9 views

Share host VPN with guest VPN VirtualBox

i m trying to configure access to host VPN from my guest VM. I'm running Win 10 on Host, and Windows XP sp3 in guest. I have successfully configured a Nat Network in virtualbox, and attached the guest ...
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22 views

Bind hostname to different IP addresses based on which network I am connnected to

The setup is as follows: PC A at home with a (dynamic - ddns is set up) global ipv6 address, and a (static) private ipv6 address for wireguard. Road warrior laptop B. Away from home I can only ...
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I have a DIR-857 that routes cameras accessible via DynDNS, and I need to change the ISP

I work at a small company, I'm new and I didn't installed anything of the following; we have a rack with a 24-port switcher, the DIR-857 that routes 9 D-Link cameras (via virtual servers) and 2 modems ...
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1answer
46 views

I can connect to a router on 192.168.2.1, but it's not my router. Whoose router is it?

I understand my router is located on 192.168.0.1 How can I be able to connect on another router on 192.168.2.1? If I understand correctly, 192.168.x.x is the private network, and only my routers can ...
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1answer
26 views

Virtualbox: Seperate remote access from VM's internet access

I'd like to access a Windows 7 VM from my fixed LAN via VRDP (VM is configured for remote access), but I'd like to have all the applications within the VM use a seperate WiFi connection. I have a USB ...
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0answers
13 views

Routring through VPN when connected to LAN

Im trying to talk to my RPi that is connected to my VPN (a PPTP hosted by Asus RT-N66U) while my PC is connected to the router's LAN network. The RPi is connected from an external network. I have ...
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2answers
47 views

Why can't I access my website while others can?

Background: At some point I lost contact with my long-time hosting service, IVHosting.com. I.e., support@IVCHosting.com did not reply for several weeks. Snooping around the Internet a bit suggests ...
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1answer
23 views

cannot access second router in different subnet

please help, i am new at networking with basic understanding in routing table... i have 2 router, main router/router A and second router/ router B. I want to access my router B from router A, router A ...
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1answer
28 views

Iptables killswitch for Wireguard

I would like to ask for a little help in setting up a killswitch for my VPN. I am using the following setup on my Pi and I am setting Pi's IP as gateway on my selected client (192.168.2.16). In this ...
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0answers
40 views

Squid Proxy Server doesn't support specifying outgoing interface, can't set a static IPv4 on some interfaces, what to do?

I've been using Dante SOCKS5 proxy server on my Ubuntu server, it has an option to specify ingoing and outgoing interfaces: internal: ens38 port = 1080 external: ens38 But now I'm using a Windows ...
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0answers
9 views

Internet Connection Sharing (ICS) does not route (stuck at poing-to-point link)

I have set up ICS on my Windows 10 machine (I use NirSoft's HostedNetworkStarter, but this should not be relevant). I want to share my Wifi connection (192.168.1.243/24 with gateway 192.168.1.1). ...
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1answer
49 views

Multipath routing to the local LAN. Why can't I add default route? Why can I remove static route afterwards?

I have a host with two NICs, each connected to separate switches on the same LAN (10.0.0.0/16). The switches are each connected to the local gateway. All the hosts on one switch are in the subnet 10.0....
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2answers
45 views

Access different subnet IPs on two different interfaces

I'm trying to configure my Raspberry Pi to give me access to devices connected either of eth0 or wlan1. Desired function is this: User connects to RPi AP via wlan1 and is given an IP (192.168.4.x) ...
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1answer
200 views

Why are my packets going out the wrong interface according to the linux routing table?

I have an Ubuntu Bionic machine with a wifi link; and I have set up a wireguard tunnel on it: # ifconfig lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 ...
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1answer
16 views

Why can I not communicate through VPC peering connection to VPC in another account?

I have two amazon AWS accounts, a paid one that hosts public webservers (called "paid" below), and a free tier account (called "free" below). Each has a couple of EC2 instances ...

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