Questions tagged [routing]
the process by which data packets on communication networks are forwarded into the direction of their ultimate destination by routers.
3,669
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OpenVPN - Server cannot access devices in client's LAN
I have an OpenVPN server (10.1.0.0, 255.255.255.0 VPN subnet) and a client with a local subnet of 192.168.1.0 255.255.255.0.
Server VPN IP is: 10.1.0.1
Client VPN IP is: 10.1.0.2
Server local IP: 172....
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Allowing packets from a different network to pass through
I have an internal network on 192.168.0.0/16. I would like for packets from the 10.0.0.0/8 network (Server 1) to pass through this internal network in order to reach the 10.0.0.0/8 network (Server 3) ...
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Managing and Securing OpenVPN Routing: Controlling Client Access to Subnets
In OpenVPN, the server.conf file can distribute a routing table, for example, I only distributed two subnets:
route 192.168.1.0 255.255.255.0
route 192.168.18.0 255.255.255.0
But clients can edit the ...
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Slow local network when using nat routing [closed]
My Stuff:
Windows server Datacenter 2022
4 NIC:
WAN: public & connected to internet (192.168.1.50)
LAN1 (192.168.10.1)
LAN2 (192.168.20.1)
LAN3 (192.168.30.1)
Main Services
Active directory ...
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1
answer
34
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Windows can't reach IP host through two routes
Problem: Windows 10 can't reach an IP host behind two routers, where the path is specified in static routes.
Windows has the following setup:
Windows Host (192.168.3.1/24 for the local LAN with ...
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40
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Site to site routing rules
I have installed strongswan tunnel to Site to Site vpn providing in our datacenter. I have in iptables set up masquerade. That is working fine.
But now, I want to setup that same traffic with routing ...
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30
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Routing error in strongswan VTI config
I try to use strongswan to make tunnel between Server 1 and Server 2, and route traffic to specific host (8.8.8.8) through Server 2 using vti tunnel to make simple routes not ipsec polices.
The ...
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static NAT for specified host doesn't work
I have 2 Debian hosts, 1 is the gateway for entire private networks and another one is firewall which does network filtering and VPN.
my gateway public IP is 210.103.5.1/26 for example and its private ...
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0
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8
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Setting Up Proper Routing for SQL Instance in Different GCP VPCs without Public Exposure or Gateway VM
I'm facing a networking challenge with Google Cloud VPCs and peering, and I'm hoping to get some guidance on how to resolve it. Here's my setup:
I have two VPCs in Google Cloud:
VPC "bastion"...
google-cloud-platform
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1
answer
55
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Forward (NAT) port on FW to the device without having GW set on it?
In short:
Is it possible to access the device/server (without the GW address set in the Network configuration of this device) from outside the device's LAN?
Current setup:
I'm renting an ESXi server ...
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0
answers
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How can I troubleshoot why packets aren't coming back from Hyper-V host to guest?
I have a Win11 host ("Host") running Hyper-V and I have a Win10 guest ("Guest"). My Win11 host may connect to the Internet via Cisco AnyConnect VPN.
Without VPN connected, Internet ...
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VPN on Linux - IP routing issue
I got the following scenario:
an ubuntu server 20.04 lts, for simplicity named A server with the following network interfaces:
loopback
enp1s0 (wan) PUBLIC-IP/23
enp8s0 (lan) 10.9.96.3/20
ppp0 (l2tp) ...
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2
answers
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How to change MS-SSTP (RRAS) server port?
I have a webservice on port 443 and 80 in IIS. I want run SSTP Server on port 8443. How can I change the default port (443) to 8443?
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53
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VLANs and Bridges on Debian to share the same address
Right now I have a simple topology with the debian gateway, few managed switches and access points.
I'd like to add 3 VLANs to my topology and maybe use 802.1Q on debian gateway, so that all the ...
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How to forward UDP traffic between two interfaces using iptables
Good morning,
I need help to forward traffic in two interfaces on a debian12 server.
I have a server with two interfaces like this scheme:
INTERNET come on the ens224
|
LAN go to the ens192
I want ...
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0
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141
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MACVLAN Docker containers on Synology NAS with 2 VLANs cannot reach the host
I have 2 VLANs on ETH1 port on Synology DSM 7.2. I use the MACVLAN driver, so my containers look like "seperate computers" on the network. I can reach the container from the network and I ...
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38
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Force torrents to be announced on another interface of a router
We have a MikroTik router with 2 WANs, main (good and expensive bandwidth) and backup. main is for our day-to-day use, and backup has slow bandwidth.
We have a Synology NAS handling the downloads, I ...
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72
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Access subnet from another subnet
I have ipv4 address 192.168.88.130 assigned by DHCP (cannot use static IP).
I have to access devices on 192.168.20.X by changing adapter settings to static and assigning some IP from 192.168.20.X, and ...
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2
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107
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How can I keep network routing internal?
I have a web server behind Nginx reverse proxy. When I access the server with a client from the same internal network via its secure URL, how can I ensure the traffic routing stays within the internal ...
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0
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101
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Routing 2 public IP ranges on 2 bridges
I've set up a new Proxmox 8 server, and I'm struggling to get my networking set up correctly. A normal bridge interface with a single IP range is easy enough, but I can't seem to get my 2 IP ranges to ...
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OpenVPN - Problems routing between clients in different subnets
I've been searching for many hours to try and solve a problem I am facing, but with no luck.
I have an OpenVPN (CentOS 7) setup consisting of a VPN server and clients, some of which are in different ...
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TCP Packet Loss in nftable nat chain
I am trying to connect to a Minecraft server but get a connection Timeout when tryping to connect although the Server is showing up as online
Minecraft Multiplayer screen
This question meight seem out ...
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1
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39
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Route traffic between two interfaces on windows server
I have windows server and having two NIC lets say NIC1 and NIC2, I want to use one NIC for internet and other for my SIP traffic.
NIC is used for Internet and its IP is as follow
IP Pool: 192.168.0.0/...
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0
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28
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Apache2 - serves a subdirectory as root but now other sites in subdirectories are broken
So I have a new tool installed on my webserver and it has a somewhat complicated folder structure, in order to get it to run, I put everything in a subdirectory and serve that as root of my domain.
...
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1
answer
58
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Iptables duplicate/Mirror incoming UDP traffic from HOST1 to an external HOST2
I need an advice about the following scenario:
IoT devices are sending UDP packets to a 18.04 Ubuntu server environment (HOST1) on port 1234.
HOST1 processes the UDP packets as per the internal ...
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1
answer
49
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Routing traffic between A and C using A-B wireguard's network
I'm having some difficulties setting up a routing between 3 nodes. Here's the situation:
A, B and R are wireguard (wg0) peers
R is a public hub (vpn.example.com) with IP 172.0.0.1
A is a peer ...
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Route outgoing packets from VM to GRE tunnel from which income packets came from? (TCP flows)
We have a network infrastructure with Anycast IPs on edge servers in multiple countries, those servers encapsulate traffic in GRE tunnels to endpoint nodes with virtual machines
Currently we route all ...
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How to reroute packets to other gateway in LAN?
I have local network 192.168.203.0/24 with 2 gateways:
192.168.203.1 - router that gives access to the internet,
192.168.203.5 - OpenWRT which gives access to other private network through OpenVPN.
...
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requests from different web sites are egressing from the routing src ip not assigned ip
I have dedicated server from OVH, that has 40 ip addresses on three routes.
ip route show
default via x.y.z.254 dev eno0
a.b.c.0/24 dev eno0 proto kernel scope link src a.b.c.161
x.y.b.0/24 dev eno0 ...
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Route an incoming ICMP packet to a different interface/process
I have an interface enp4s0 with several IPs.
I get ICMP packets (type 8, echo request) from external device to my device on enp4s0.
I'm trying to route only packets sent to 192.168.1.90 into another ...
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126
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Exposing a LAN through an OpenVPN server running in a virtual machine
There's an OpenVPN server running in a VirtualBox virtual machine with NAT networking. The VM is running on a physical host, and that host is attached to a LAN. I would like to make the VM's host's ...
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Conflicting routes on wireless and Ethernet interfaces
I have two network interfaces: LANIF interface is Ethernet with no connection to the internet, and WANIF interface is of wifi type and with outside connection. I am having some problems trying to ...
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I cannot access website on VM in Hyper -V within LAN
Good day great minds,
i cannot access my webserver behind an nginx reverse proxy within my LAN network.
i have a mikrotic router with a LAN network 192.168.143.0/24, i deployed an hyper V server that ...
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Is my traffic to my Synology leaving my network?
I have a Synology DS723+. I currently have it port forwarded and set up using the Synology dynamic DNS service. It works great, I can access it from outside my network with no problem. However, I ...
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302
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Wireguard Site-to-Site connection in Docker ping working but TCP not
I am quite desperate. I am trying to get my site-to-site vpn setup working, but no luck so far. Please don't judge me, I am quite new to the routing problematic.
I have a VPS with a public IP 123.456....
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71
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How to route traffic with Linux
I have a rather simple question, which I thought I knew the answer, but I'm stuck with it.
I have two linux boxes:
Server A :
IP : 10.10.19.1/24
Can contact 10.10.18.0/24 through an IPsec VPN (works ...
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1
answer
40
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Mail server woes
A problem has cropped up on my network today and I'm rather confused.
Firstly here's the setup of my network....
Internet traffic comes in via static ip.
Ubiquiti Dream Machine Pro forwards mail ...
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1
answer
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Private network collision with two WAN interfaces from different ISPs
I have a host that have two WAN interfaces connected to the two different ISP (lets say it is LTE modem and WiFi module). Each interface get it's IPv4 address, network and gateway using DHCP and ...
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IP routing between two sites and allowing external access to both via Wireguard
I have two Proxmox notes, in two separate locations. They are connected via a Wireguard Tunnel between the two sites (A and B). This tunnels all traffic destined for the other site through the tunnel ...
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128
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Error: Request aborted - can't send 20MB .mp3 files using Node.js + Express?
I'm making a game using a Node.js + Express app on Heroku. When the page loads, the soundtrack (music) is fetched in 5 20MB .mp3 files. But sometimes, the request hangs and then throws error 'Request ...
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1
answer
115
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How to route an IP address?
I am trying to route an IP address (camera sensor) to an edge server through a 5G network. The camera sensor is connected to a 5G Modem. The camera IP address is 10.45.3.1, the 5G link IP address is ...
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127
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How to investigate not received TCP packets sent from VPN on the same LAN?
I'm setting up a VLAN on the cloud where many servers will connect to a remote host via VPN. The setup is as follows:
Their Host d.d.d.72
|
|
...
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1
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63
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Networking: NAT two interfaces together on Windows
I have the following setup:
Openvpn client (Linux) (Openvpn IP 192.168.99.4)
Openvpn client (Windows) (Openvpn IP 192.168.99.2)
Openvpn server (Linux) (Openvpn IP 192.168.99.1)
Now, both clients ...
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Is it expected that coredns pods look or know the network DNS real IP?
I created a cluster on bare metal, set up with one laptop as the control plane and another laptop as a worker node, for learning purposes.
They're in a local lan with a home router.
After a couple of ...
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IP Routing Questions (Wireguard as Company Network, Hetzner Private Network as Server Private Network)
(educational purposes)
Hey Guys,
actually i'm trying to create a company network (employee clients) with wireguard. Lets say its the subnet 10.0.0.0/24. The Wireguard Server is a Hetzner Cloud server, ...
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59
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Proxmox: how to route traffic to CTs (VMs)
I have Promox server with 3 IPs (Main IP and 2 additional ones). Server has 3 CTs and I want to assign all 3 IPs to those CTs.
Assinging them directly to CTs/VMs didn't work (even gateway is not ...
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1
answer
91
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How to force src-IP for outgoing connections on multihomed Linux Router
I have a Linux router multihomed:
eth0: "Normal" unicast IP address, global reachable, a single default route
eth1: Connected to an Internet Exchange, not global reachable, plenty of routes
...
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0
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41
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bare-metal k8s zone routing for use with Multus cni
I have a Kubernetes cluster, every node is located in a different network (different data centers)
So I need to route a public IP address range to this cluster and use those IPv4 addresses within the ...
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1
answer
133
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How do I configure nginx to remove a part of the URI given to index.php
The routing script of my application expects the URI to be
/api/v0/create
My request goes to
http://my-server.test/subdir/api/v0/create
How can I configure nginx to remove the "/subdir" ...
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214
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Ubuntu IPTables Port forwarding and NAT
I am coping with an issue for the past days with which I cannot get my head arround, it addresses routing.
Setup and context:
NetworkDiagram
As depicted in the diagram below, my goal is to call the &...
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