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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ZeroTier not working on router running FreshTomato firmware

I can successfully connect to my ZeroTier with the router and join my ZT network with an automatic IP assigned my ZT. However, I can’t ping the router from from any device on my ZT network nor have ...
Danil Rylo's user avatar
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Server is slow to reply to ping via WiFi interface, but not when sending traffic

The server is Fedora on amd64. It has an eth interface and an wifi one, 5GHz. From a machine in the same LAN, when I ping the server I see: Ping 192.168.2.20 (eth) gives <1 ms Ping 192.168.2.21 (...
Sebastian's user avatar
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Trying to understand iptables rules on the tomato router

I am working on configuring a linux machine as a router, and I took /etc/iptables file from the tomato router. I would like to use this file as a starting point for the firewall rules on the linux ...
Cattus's user avatar
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Issue moving Ubuntu/Apache webserver from Comcast to AT&T router

I've hosted a simple Ubuntu web server for years on port 443 via a Comcast router with port forwarding enabled without issue. I now have to change to AT&T, the router they provided is a BGW320, ...
PortForwardingQuestion's user avatar
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Proxmox Server Connectivity Issues: Duplicate Hostnames and IP Addresses [migrated]

It appears that I'm encountering an issue with my recently established Proxmox servers. My configuration involves two servers: a Dell Poweredge T310 and a Dell Poweredge T330. 1 and a half year ago I ...
Pøziel's user avatar
-1 votes
2 answers
277 views

pfSense in disable all packet filtering mode allows web admin on WAN IP [closed]

A while back, I had a fiber internet connection installed at my business with a number of public IPv4 addresses. The ISP provided two blocks of IP addresses: a "P2P" block which contains a ...
cmshowers's user avatar
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1 answer
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Hostname and DNS for embedded devices in LAN

I'm not able to find an explanation or even related questions since I don't know exactly what is the problem and the correct keywords to use. I'm a firmware guy and often I develop code that enables a ...
Mark's user avatar
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2 answers
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Subnet mask for 192.168.1.7/30

I want to create two IP addresses, 192.168.1.0/30 and 192.168.1.5. Adding the first IP for the router port returns this error "Bad mask /30 for address 192.168.1.7": Router>en Router#conf ...
Mohammed Al Shemmari's user avatar
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145 views

How to allow access between network segments in Keenetic?

I have Keenetic Sprinter with default firmware (latest) in which I have configured 2 segments: Home Segment 192.168.1.0, 255.255.255.0/24, DHCP enabled IoT Segment 192.168.2.0, 255.255.255.0/24, DHCP ...
ho4's user avatar
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2 answers
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How to Configure Domain-Specific Port Forwarding on MikroTik Router?

I have a MikroTik router set up at the entrance of our office network. I'm looking to configure it for specific domain-based port forwarding. The task seems to be rather common, but I am stuck. Here's ...
Dmitry Nikolaev's user avatar
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How to properly do ip specific routing on sbc gateway/router? Not forwarding responce

My network uses 192.168.100.0/24 The routers gateway is 192.168.100.1 I have a windows pc at 192.168.100.15 I have a fresh install of ubuntu 20.04 on a SBC with ip 192.168.100.207 lan0 On this sbc I ...
Chris Zahrt's user avatar
2 votes
1 answer
183 views

Port forwarding fails with two DHCP Servers/routers on the same network

TL;DR I have two routers and a switch, and have forwarded port 80 on both routers to the switch, but depending on which router gives the switch its IP, it'll have that as its default gateway, and I ...
DrLime2k10's user avatar
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3 answers
238 views

Zscaler as a router

Is it possible to install zscaler on virtual machine (e.g. linux), and use that machine for accessing only few hostnames? I would point other machines to go via this virtual machine only for those few ...
Marko Kraljevic's user avatar
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TCP session refused immediately after accepting it

Host_A tries to send some data to Host_B over TCP. Host_B is listening on port 4712. Host_A is a remote PC connected on a dedicated WAN. Host_B is a local embedded device based on embOS OS, connected ...
robocat's user avatar
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152 views

If I change my router's IP address, why do all client devices assume it's at 192.168.1.1? [closed]

I've decided to set my router at some non "1.1" IP address. I have even created a QR code for connecting to the Wi-Fi. The problem is, it looks most devices assume that if the DNS address is ...
Ate Somebits's user avatar
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RouterOS 7, how to fair-share per interface

I'm configuring fiber for my office. Every floor is rented by someone, and I want to share the internet fairly. We've got one incoming 1Gbps fiber link, into a modem, followed by a Mikrotik router. ...
Daniël van den Berg's user avatar
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1 answer
140 views

Internal network drops connection to our own locally hosted web server on a disjointed network

In time I have my internal network drops all connections to my locally hosted website. After rebooting the web server all internal connections to the website works again, but it is only a matter of ...
MeSo2's user avatar
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148 views

How to tell if a switch is forwarding LLDP traffic

How can I test if a switch is forwarding LLDP traffic? (an engineer for my router's company said that most switches do, and can cause problems for their router, so I'm trying to chase this; another ...
bpleat's user avatar
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performance issue when linux(ubuntu) work as router with ip_forwarding enable

I'm running a test with this topo: tester---(port1)ubuntu_linux(port2)----tester. I enabled ip_forwarding in ubuntu_linux by : echo 1 > /proc/sys/net/ipv4/ip_forward The tester is trying to find ...
Hans Yin's user avatar
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Arista ceos dnsmasq

I'm using Arista cEOS 4.29.2F and I'm trying to use the dns proxy that this device allow. However, when I do systemctl status dnsmasq on the Arista's bash, its output is: ● dnsmasq.service - SYSV: ...
Aitor Encinas's user avatar
3 votes
2 answers
5k views

Why I cannot access iDRAC9 remotely?

I have a Dell PowerEdge T350 with an iDRAC9 Basic. The server is connected to a switch which is connected to a router upstream which is connected to the internet. Very simple. Both the server's NIC1 ...
Csaba Toth's user avatar
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76 views

Port Forwarding on Huawei E5885LS-93A doesn't work

My home network is composed of a 4G router (Huawei E5885LS-93A) and three Ubiquiti Access Points (UAP-AC-M). Within my network I run ZoneMinder on a Raspberry Pi 4. From within my network I can just ...
Patrick Lüscher's user avatar
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1 answer
391 views

How to setup public ip for proxmox

I have an interesting question. We have in company proxmox VE with public 46.xx.xx.xx/29 and private IP subnets. Proxmox hasn't got public ip and is connected on interaface vmbr0 to router with subnet ...
Dave's user avatar
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426 views

wireguard VPN configuration

I have a wireguard vpn configuration on my router, the ports are open and the server configuration I think is correct. however when I want to connect a client, it only shows me this error: [TUN] [...
fnava's user avatar
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24 views

Shebang = how to verify source/target file mounted via --bind

On a router (busybox) I'm limited to shebang. On devices like these relaying on squashfs and flash storage it's common practice to mount --bind files from USB/CIFS/JFFS onto a file provided by the ...
rs232's user avatar
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connecting cisco 931 to Palo Alto Global Connect VPN

I'm trying to connect a cisco 931 (with VPN license enabled) to a Palo Alto (PA) Global Connect VPN Server by trying to create an IPSec VPN Tunnel. I feel I'm missing something here: The following ...
arcee123's user avatar
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1 answer
2k views

How to NAT-route network to Tailscale?

EDIT: I already spent 3 days going through different possible ways of handling this and settled on iptables. This is like the biggest-kept secret to me. No matter how much I read, I feel like I'm ...
Sawtaytoes's user avatar
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174 views

AWS: Ping between multiple namespaces in seperated EC2 Instance

I am encountering an issue where I am unable to receive a response when attempting to ping from a namespace located within a public EC2 instance to a private one. To better illustrate my situation, I ...
Tanvir Rahman's user avatar
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1 answer
112 views

Self hosting/Colocation multiple VMs with public IP addresses on single server

I have a single server that is running some VMs. I want each of these VMs to be accessed through public IP addresses correspondingly. I'm looking into hosting the server on my own and get a block of ...
5et's user avatar
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1 answer
862 views

Browsers can't make connection to my server without port 80 open

I have a server where NGINX is running as a reverse proxy. My configuration works fine when I leave ports 80 and 443 open on my router. When I only keep 443 on it, I have "Connection timed out&...
Mordecai's user avatar
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2 answers
118 views

Load balance the Load balancer

I am looking to get load balancing for my load balancer. We are looking to create a fully HA network. All of our servers are redundant, the databases are redundant, but above them is a single server ...
bulgarian-beast's user avatar
-1 votes
1 answer
464 views

remove fortigate account from fortinet router

i have fortigate 60E that was register on computing company , now this company has been closed and already passed more then 3 years , im trying to unregister the fortiget its ask for the password of ...
mikuzan's user avatar
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1 answer
434 views

How to extend amount of VLAN's via external Managed Switch on Linksys WRT Router on OpenWRT 21

Goal is to create more than 4 VLAN's leveraging external ports on Managed Switch all under control of the Main Router (Linksys WRT with 4 built-in switch-ports) running OpenWRT 21. Linksys Managed ...
Releaz's user avatar
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0 answers
79 views

Setup new router with SQM - Buffer Bloating solution

Scenario. I'm in Tbilisi, Georgia. I have very high ping to EU servers(100ms+) plus a huge buffer bloating problem, this test gave me the F rank: https://www.waveform.com/tools/bufferbloat I use an ...
MrVerde's user avatar
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0 answers
188 views

Couldn't reach the virtual machine behind NAT via the white address

I've emulated the simple network in my VMware environment: The host1 is in the internal network 192.186.0.0/24, the host2 is in my home network 192.168.0.0/24. The router has two net adapters in both ...
Ilya Shmadchenko's user avatar
0 votes
1 answer
764 views

How to setup RRAS as IPv6 Router and enable Router Advertisement

I have a Windows Server running on the local network acting as the router and VPN server. It has an IPv4 address with NAT enabled to provide internet access to devices on the network. It also has a ...
fjch1997's user avatar
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1 vote
1 answer
369 views

Cannot access website in LAN. NAT Hairpinning in nftables

I am trying to get NAT hairpinning working on my router. I cannot access my local website host on my LAN (192.168.1.3). I am using nftables with the following config: enp1s0 = WAN enp2s0 = LAN #!/sbin/...
whitleystriber's user avatar
0 votes
1 answer
447 views

Can't configure VPN on tp-link router using PSK

I've bought a VPS server and configured stronswan VPN. I was able to configure VPN on my Windows laptop(usinf certificate provided by Strongswan Web UI) and my android smartphon(configuration is ...
gstackoverflow's user avatar
1 vote
3 answers
816 views

Internet access problems on subnet

Hello Server Fault friends! I have a question that I believe should be easy to answer for someone who really gets how a typical subnet should be configured with a router such as PFSense. My Problem: I ...
Martin Surasky's user avatar
1 vote
0 answers
350 views

Windows lost server connection while transferring files via Samba

I have a Ubuntu 22.04.1 server with Samba installed to allow other PC in the local network to upload/download files, there are 2 Windows clients (Windows 10 & 11), and they both are ok to connect ...
Zay Lau's user avatar
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256 views

How to SSH into a computer connected to a modem while connected to a router that's bridged to that modem?

I have a Modem/Router (NAT) that authenticates to my ISP's fiber optic cable. This modem has one ethernet cable connected to my Computer and another to the WAN port of a Wi-Fi router. The Router is ...
Thums's user avatar
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-1 votes
1 answer
188 views

Please explain this traceroute

What might cause the middle two RTT to timeout. This happens every time. Users are reporting slow network access from the remote site. We have contacted Meraki and they have not found anything wrong. ...
William's user avatar
1 vote
0 answers
178 views

Unable to ping through router switch router

## Question Why in firewall_2 routing table rip address is not showing like router_b? As I done Rip routing In Firewall_2 as shown in the right side image rip: 192.168.1.0 192.168.2.0 209.165.200.0 ...
Cerolina's user avatar
-2 votes
1 answer
234 views

Can two servers talk to each other via TCP by this configuration? [duplicate]

This is an interview question: There are two servers on Rank A, setup the network on the two hosts by following configuration: Server A: ifconfig eth0 10.10.15.129 netmask 255.255.255.0 up route add ...
J JIA's user avatar
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1 vote
1 answer
532 views

Blocking SSH access from WAN side of CISCO 890 to management plane

I've been round about the houses with this one for days, i've not found a solution yet that works. I haven't found a way to block the HTTP access to the management plane either, i had to give up and ...
Owl's user avatar
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2 answers
603 views

Custom time zone for Wifi connected devices?

I have Wifi router and server that a number of devices connect to on a ship. The devices are both mobile(iOS, Android) and laptops. Connections are so that the devices can only access a specific ...
Karlth's user avatar
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0 votes
1 answer
764 views

Allow communication between two networks through two routers

I have the following setup I would like Device A to be able to communicate with device B and vice versa. I have setup static routing on Router A, and Router B as follows: Router A: 192.168.1.0/24 ...
Kalcifer's user avatar
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0 answers
469 views

Does DDNS work within an ISP subnet?

I'm trying to host a web server through a Raspberry PI 4, but found some problems in the final steps of my configuration. What I did is the following: Install Nginx. Install Node to host my site (I'm ...
Ramon Orraca's user avatar
-1 votes
1 answer
291 views

How can I download the cisco running config to my C drive's folder?

I am going to download the running config from the cisco router. I have tried the following command, but it needs to change the account's privilege level to 15 for downloading the running config. I ...
dragontim's user avatar
0 votes
1 answer
330 views

running openwrt in virtualbox with 2 network adapters- a host only adapter and bridged adapter, but only host-only adapter shows

following this video to try and set up a virtual network for me to practice hacking, but only the host-only adapter shows (I am currently 17 minutes into the video). uci show network ip addr /etc/...
Ben Cookson's user avatar

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