Questions tagged [router]

A device that connects two or more networks and is capable of forwarding data packets to a destination based on information contained within a packet and internal routing tables.

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Cannot connect to Flask server via public IP, only private IP

I have a simple Flask server that echos requests it gets to the terminal. Requests I send it via the device's public IP address do not register. The flask server is started correctly on all ...
GiovanH's user avatar
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Exposing LAN with Zerotier when using Ubiquiti Edge Router X?

So I managed to install ZeroTier with the Ubiquiti Edge Router X via: admin@edgerouter# sudo -i root@edgerouter:~# curl -s https://install.zerotier.com | sudo bash And got to access the Edge OS (...
cyberquarks's user avatar
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2k views

VoIP over VPN (FritzBox) – can register, can call, but no sound

We have a small company network here (192.168.178.x) and a private network in home office (192.168.2.x). These networks are both running a FritzBox router and are connected via VPN trough FritzBox to ...
Kevin Lieser's user avatar
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3 answers
488 views

Whitelisting my home router on corporate servers? [closed]

I need to access my corporate server (which is restricted) from my home. Corporate Admin is asking for Gateway IP of my home network so that they can whitelist my Home network. Basically, All my ...
Prabhu Vignesh Rajagopal's user avatar
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1 answer
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Connecting to a python socket behind a router

I have a Python script on my server which opens a socket that can be connected to from anywhere. It works on my digitalocean test server that has a public IP as shown by ifconfig. It does not work on ...
slaw's user avatar
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Can I connect computers between two routers?

Sorry in advance, I'm not a big networking guy. The best way to illustrate what I'm asking is to show it in this diagram: I need to be able to establish file sharing on Windows from "Laptop" to "PC-1"...
c00000fd's user avatar
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single sim card (using mobile intenrnet) cannot access our router from WAN side

going mad with this. Setting up OpenVPN but one mobile phone gives me trouble. I tried to boil it down to this Situation: I have a simple port 80 open on my router (OpenWRT) and forwarded to server ...
Mirko Vukušić's user avatar
1 vote
2 answers
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Does NAT spoof TCP or UDP port in ICMP payload?

When I send a tcp or udp packet from a network under symmetric nat I expect the port to be different from the one chosen by my computer and so it is. But when I send a udp packet with a low ttl, but ...
J. Doe's user avatar
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1 answer
714 views

OpenVPN server cannot ping LAN behind router

I have an Asus router with IP 192.168.2.1 and a running Openvpn client 10.8.0.2. The Openvpn server (ubuntu 18)has ip 10.8.0.1. Both client and server can ping each other. Now one desktop (192.168.2....
luke's user avatar
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Basic 2 Routers configurations for noobs

So, my goal is to have each one of my devices connected to a double-NAT simple solutions. I've started my configuration with Router 1: IP: 192.168.1.254 Mask: 255.255.252.0 DHCP Ipv4: 192.168.1.10 -...
Pedro Amorim's user avatar
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How can I put a WiFi client and an Ethernet client to the same group?

I have wireless interface wl0 and ethernet interfaces eth0, eth1, eth2, eth3 all in the same bridge br0. Now I have to put one of the wifi clients and one ethernet client to the same group so that ...
A R's user avatar
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2 answers
285 views

Connect two local networks

I'm trying to connect two local networks together. Network 1 (192.168.1.1) is connected to 10GBe Internet via router with dhcp. I've added switch Netgear XS708T for more 10G ports (Clients 1 and 2). ...
Tom R's user avatar
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179 views

cisco routing with multiple public ips, OSPF and NAT not working as expected

We've got multiple routers in our organisation and i can't get routing working as expected. We have a limited number of public ip addresses which I will call 100.x.x.x/28 We have internal address ...
ossentoo's user avatar
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595 views

Ethernet patch or crossover router to router [closed]

I we have run Ethernet in the house, through a fast Ethernet switch, through a wall patch, over the river and through the woods as it were. From router A, through switch, through wall patch, then to ...
Michael W. Powell's user avatar
1 vote
1 answer
649 views

Can a router have the same ip on both sides?

I intend to implement an interconnected star topology network. For this, I am using 3 routers: Router A, A1 and A2. internet | Router A 172.16.0.1 /16 ...
Radu Marinescu's user avatar
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How to change Public Address of VPS with another IP Address

For a project, I need to make HTTP requests to an external service from a IP address geo-located on "NATION_2". Having an available VPS located in NATION_1, I proceeded to purchase a public IP ...
Fede91's user avatar
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2 answers
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NAT Public IP to Public IP with Mikrotik

My target is to route: 192.0.2.1 (public IP) to 192.0.2.2 (another public IP out of my network). I want to route all the ports and protocols, so Mikrotik will just send all the packets there. I have ...
dnleiman's user avatar
0 votes
1 answer
4k views

How to access the page of a bridged modem with a different default IP from the router?

I set up a modem as a range extender as in this thread. Initially I set it to WDS-only and could connect only via ethernet, so I wanted to login to the modem and change to Hybrid to also connect via ...
miguelmorin's user avatar
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Setting Up a Load-Balancing Linux-Based Router with Two Internet Connections

(Sorry for the wall of text. There are specific questions at the bottom, but lacking experience, I would greatly appreciate any comments on the software choices and general recommendations from the ...
yzt's user avatar
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Get information about MAC address

My router (FritzBox 7330) shows tons of errors about a device that continuously try to connect to my network: 23.12.19 10:17:07 Registrazione del dispositivo wireless fallita: chiave wireless ...
Mark's user avatar
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Is there a way to listen to all traffic on my router, using e.g. Wireshark or tcpdump?

I have a crazy stupid problem driving me to an early grave and I'm trying to trouble shoot what the problem is. Is there a way to listen to all traffic going through my router, including dropped SYN ...
Mossmyr's user avatar
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Can’t access server from external address on LAN but CAN access from WAN, HTTP(S) works, but not SSH or Sync

I hope there must be some resolution to this. I have the exact reverse of what is commonly the problem. Our small business office recently moved to a new building in a new city. We have a Mac mini ...
David Getzin's user avatar
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1 answer
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Opensense - Uses route but is directly connected

I have the following configuration: Network Architecture Router 1 (192.168.5.1/28) with Network 192.168.1.0/24 (Opensense) Router 2 (192.168.5.2/28) with Network 192.168.2.0/24 (PfSense) Server 192....
yannik995's user avatar
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2 votes
1 answer
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No internet on secondary router in cascaded router setup

I recently bought a Cisco RV130W router and plan to use it as a secondary router in a cascaded router setup. I want to do this so I can isolate my own devices (NAS, printer, PC, Laptop) and prevent ...
NKN1396's user avatar
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1 vote
0 answers
126 views

Share a VPN connection via a node in a LAN

I would like to share a VPN connection via a node in the same LAN. The scheme below shows my network system. LAN A: 10.44.247.0/24 |-* Router Aa: 10.44.247.1, ext XXX.XXX.XXX.XXX |-* Node Ab: 10....
Daehyun You's user avatar
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1 answer
9k views

Router MAC address does not match with the actual one

from my PC Windows 10 I am doing an arp -a to lookup the MAC of my router/modem. I get something like: Internet Address Physical Address Type 192.168.0.1 90-5c-66-27-eb-70 ...
toto''s user avatar
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1 answer
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Router reboots when doing port-scanning [closed]

I'm facing a problem similar to Router reboots when using Nmap. To sum up, I'm doing port-scanning and once the rate is high enough the router reboots (just like described in the thread above using ...
ezegoing's user avatar
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870 views

wireless redirecting to router login with domain name from inside local network

I have a Smart/RG modem/router for WAN access, and a second Netgear router behind it for the wired LAN. I host a website on a computer connected (wired) to the Netgear network. All the computers ...
raphael75's user avatar
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1 answer
237 views

VPN Tunneling through Multiple NAT environment

I currently building a DIY surveillance system based off of a QNAP NAS. The NAS will store the data, control the cameras, and act as a VPN Server for external access. I've managed to get all the the ...
Jon Salpas's user avatar
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0 answers
63 views

SSH link terminates every 20 seconds

I am using a 3rd party software to get an SSH link into my device (remot3.it). I use Putty to SSH. All my other devices work but one device frequently loses SSH connection within 20 seconds but always ...
presish's user avatar
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2 answers
1k views

Does factory reset for Cisco ASA 5505 keep the added licenses/features?

I bought a used Cisco ASA 5505 with existing SecurityPlus (and other) licenses already installed. A factory reset (configure factory-default) from the console will reset just the config and not ...
Peleion's user avatar
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1 answer
263 views

Why doesn't this Wireguard route work?

I've set up three Wireguard nodes – a, b and c (Vagrantfile below). Both b and c connect to a and are able to ping a over the Wireguard tunnel. But b and c aren't able to ping each other – why? ...
Al Klimov's user avatar
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-1 votes
1 answer
166 views

Router masquerade delegation to a switch

While thinking how an ISP may configure its internal network, I was wondering if it was possible to delegate a router's masquerade to a switch. Details: Let's assume there is a 48 port Gbps switch ...
Pierre-Luc Bertrand's user avatar
-1 votes
2 answers
118 views

Can I use a network printer(static IP) connected within ethernet LAN through wifi router? [closed]

We have a TP link wifi router which is connected to local ethernet LAN. Our office laptops are connected to wifi router via wifi for internet. My question is, can we access network printer residing in ...
MD. Mohiuddin Ahmed's user avatar
-2 votes
1 answer
89 views

DIY router not replying to most requests [closed]

I am trying to setup a router on a machine with Ubuntu server 18.04. The server how one NIC on the motherboard and two PCI network cards with 4 interfaces each. I have setup a DHCP server and DNS ...
Anton's user avatar
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1 vote
2 answers
3k views

Mikrotik - lots of tcp retransmission packets

I have a ubuntu server with ip 192.168.10.144, in this server I have a docker network using ip range 10.0.0.0/24. I need connect my computer to some services running in docker, so I've added a route ...
brevleq's user avatar
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0 votes
1 answer
111 views

DHCP for a VPN/Router

I'm running a custom router (Ubuntu 18.04) which uses a "bridge mode" LTE/4G modem (connected via. ethernet). My ISP uses DHCP and hands out 10.x addresses which get assigned to the external NIC of ...
Robin's user avatar
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0 votes
1 answer
2k views

Routing and DHCP on Switch (tp-link T1600G-28TS)

i wanted to set up a "smart" switch (tp-link T1600G-28TS) for creating my own subnet with its own DHCP. I get internet through a single Ethernet-Jack. Behind this ethernet jack is a gateway. The IPs ...
chrisw's user avatar
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0 votes
1 answer
3k views

How i block all websites except gmail & google using mikrotik

I've tried many tutorial how to block any website and except some website. I can block Website except Google, Youtube, drive.google, google Document (Gsuite Solutions) and Gmail in Bridge-HIS ...
M'Instrucs's user avatar
1 vote
0 answers
289 views

Domain login behind NAT

Global network: +-------------------+------------+--------------------+ | Server | Address | Description | +-------------------+------------+--------------------+ | dc.contoso....
Josef Komjati's user avatar
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1 answer
69 views

Discovery and communication between routers

I am working in an environment consisting of 4 OpenWrt routers, each serving multiple clients via Wi-Fi and containing. Each one of them provides the clients with Internet access. I have 3 questions ...
imll's user avatar
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0 votes
1 answer
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How to setup dual WAN & two LAN Networks correctly?

We've just been switched from ISDN to SIP. Since the guy who installed and configured the phone system does not have a lot of experience in setting up LAN networks, we need to do it ourselves. My ...
René M.'s user avatar
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0 answers
75 views

iBGP routes from same router id received but not learned

I'm using FRR for BGP. I have the following setup: router 0, 1, and 2 are all part of the same AS (so everything is iBGP). Router 0 is connected to 1 and 2, 1 and 2 are not connected to each other (0 ...
theasianpianist's user avatar
0 votes
0 answers
115 views

Accessing server connected to second router

Re: Accessing web server on second router. We’ve had a retail store, opencart website since 2014 hosted on a VPS server through VPSBlocks. As the monthly fees are increasing, currently at AUD$179 per ...
Abe's user avatar
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1 vote
0 answers
2k views

OPNsense/pfsense on Proxmox with LACP, VLANs and Multi-WAN

I want to set up an OPNsense router (of pfsense if OPNsense sould not work as desired) on Proxmox. I have multiple WANs as well as multiple local VLANs. Since I have more VLANs than physical ports I ...
masgo's user avatar
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1 vote
1 answer
634 views

vlans and iptables (debian)

I am trying to get my VLANs and iptables to function correctly. enp2s0f0 = WAN enp2s0f1.4 = Admin Network What I am trying to attempt, is allow the Admin Network to connected to any device ...
Lavardin's user avatar
-1 votes
1 answer
73 views

What does ISIC option "-t" mean?

As I already found out, ISIC tool has an option "-t" only for tcpsic or tcpsic6 and it means percentage of packets with wrong checksum. In tcpsic case my router works fine. But when Ive been testing ...
Ain Mditrevi's user avatar
6 votes
2 answers
4k views

Port forwarding test possible within LAN? Mikrotik Router

I set up port forwarding on a Mikrotik router, but the router OS (v6.39.2) seems a lot more complicated than the standard off-the-shelf router interface I am used to. I followed the instructions from ...
evsc's user avatar
  • 161
1 vote
2 answers
2k views

vlan for segmentation, same subnet one dhcp server

I do not know if this is the correct setup. I need to isolate three ports on three different switches from the other ports (update: so they are separated from the others and also have access to the ...
Tillebeck's user avatar
  • 511
1 vote
1 answer
754 views

VLAN help (HP Switch)

First off, thank you all very much for taking the time to read my post, I am hoping for some help! I was hoping to get some help with getting the configs right for my network switches. I don't ...
Commander's user avatar

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