Questions tagged [routing]
Use this tag when the topic is related to managing the paths that IP traffic will take. This includes subnets created by access points, and on the high end it could be multiple feeds coming through a Cisco unit.
375
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Should I use bridge or route with netplan?
I have an RTSP camera connected through ethernet to a computer. This computer is set up to allow connections over WiFi. What I want is to be able to reach the camera from a laptop that is connected ...
0
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0
answers
36
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What would cause spontaneous default network changes and how to fix smb access?
I have an Ubuntu 20.04 LTS Desktop install with 4x physical network interfaces. One interface connects to a larger network with access to file shares etc and the others connect to smaller networks to ...
- 191
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70
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Ubuntu 22 does not accept new routing table
I'm running Ubuntu 22.04 with Kernel 5.15.0 and I am unable to create a new routing table.
Create a new, custom routing table:
$ sudo cat /etc/iproute2/rt_tables
#
# reserved values
#
255 local
254 ...
- 1
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0
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11
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netplan equivalent of ip rule add oif eno5 lookup 5000
In a netplan yaml configuration file like this one:
network:
version: 2
renderer: networkd
ethernets:
eno5:
dhcp4: false
dhcp6: false
link-local: [ ]
addresses:
...
- 71
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15
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Route all traffic (except port 3336 and a few more) from eth0 to specific ip
How can I route all incoming traffic from eth0 interface to ip 10.8.0.5 (VPN tunnel)?
I need to forward incoming traffic except port 3666, to specific ip on ubuntu 22.04 machine.
In future list of ...
-2
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0
answers
134
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Accessing a work website from Android 13 over L2TP using OrangePi as a middle man?
Android 13 no longer supports L2TP. I need to access my work website over L2TP. The only solution I could came up with so far is to use a single board computer as the middle man to handle L2TP traffic ...
- 1
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votes
1
answer
120
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Why can't I access internet via vlan in private network?
As the title suggests, I'm having issues setting up the networking so that a server can access the internet. Bear with me while I lay out the infrastructure.
All 3 servers are hosted by Hetzner.
The ...
- 101
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22
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Ubuntu static routes location
I have Ubuntu 18.04 server wich can't boot because HDD problems and I didn't succeed to fix it.
The HDD is readable and I can open it from Ubuntu usb drive for example.
So, is it possible to find ...
0
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0
answers
75
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How to add static routes using nmtui?
I am currently using Ubuntu 20.04 machine and having Network Manager as the service for managing network configuration.
Is it possible to add temporary and permanent static routes using nmtui? If yes, ...
- 421
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1
answer
196
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difference between nmcli connection reload and nmcli device reapply?
I am currently using Ubuntu 20.04 machine and having Network Manager as the service for managing network configuration.
What is exactly the difference between the commands nmcli connection reload and ...
- 421
-1
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1
answer
51
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VPN Connectivity and Routing Problem - Local Server to Internet via Cloud Hosted Server - wget/apt Oubound Connections
I have a network/connectivity/routing problem associated with achieving public internet connectivity through a VPN tunnel to a cloud connected server hosting a VPN server/gateway.
The Local Server is ...
- 1
1
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0
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129
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Troubleshooting netplan routes on server 22.04.2
I’m looking for some guidance on the correct way to set up this network. I have an instance of ubuntu server 22.04.2 running on proxmox. Two interfaces are attached to the VM and vlan tagging is ...
- 11
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34
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i want to use my computer as gateway, all traffic must use vpn
this is my configuration
i got 2 computers with ubuntu 22
computer1 with internet and vpn:
eth0 192.168.10.100
eth1 192.168.20.100
tun0 10.33.12.19
now computer2 must use internet by vpn of computer1:...
- 1
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1
answer
26
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Routing Table Modification on Ubuntu/Raspbian with VLAN Consideration
I had an issue with my Pi-Hole recently where after resolving I found my networks no longer had DNS resolution. After some troubleshooting I found the Unbound process (PI-Hole upstream) was sending ...
0
votes
1
answer
485
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ubuntu 22.04 routing using netplan
Hi I have a new ubuntu server with 2 interfaces and i wrote a netpaln config for it like this:
network:
version: 2
renderer: networkd
ethernets:
ens160:
dhcp4: no
addresses:
- ...
- 3
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votes
1
answer
226
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How to set iproute2 routing table for 2 network interfaces on Ubuntu 22.04
I want to use 2 network interfaces (enp7s0 and enp8s0) simultaneously on Ubuntu 22.04. Both has its own separate internet connection. My default is enp8s0 which I plugged the LAN cable in first. I ...
- 31
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70
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Route traffic to L2TP connection
I have a pc with two network cards and one WiFi adapter and Ubuntu Server 22.04.01. I want it to work as a router. My ISP provides me with internet via an L2TP/IPSec tunnel. I was finally able to set ...
- 1
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0
answers
44
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DNS and/or routing broken on one machine after subnet change in LAN
I reconfigured my home router to use 192.168.39.0 as the subnet. Previously it was 192.168.0.0
I have one Ubuntu 22.04 machine which now has broken DNS and/or routing. I have eliminated hardware ...
- 2,105
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128
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Setting up a VPN client on Ubuntu Virtual Router
I am using Ubuntu Server 22.04 for the Virtual Router Operating System. It is a bare metal system with three ethernet interfaces.
Connection to the three interfaces are listed below:
External Network
...
0
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0
answers
44
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What overrides IPV6ACCEPTRA/RouteMetric= defaults?
I run a fresh install of Ubuntu 22.04.1 Server to which I added:
avahi-daemon
docker-ce docker-ce-cli containerd.io docker-compose-plugin
According to the documentation, the default RA metric is ...
- 101
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0
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50
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How to set up internet connecitivty on a daisy chain network with one NAT interface on Virtual Box?
I am creating a daisy chain network, and I have three Ubuntu virtual machines on Virtual Box: one gateway, one router (through which all network traffic passes), and an end-node. Each VM has two ...
1
vote
2
answers
192
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How to configure netplan so enp9s0 goes to internet and enp5s0 goes to lan?
I must build a replacement server using Ubuntu 20.04.5 LTS, and I'm trying to migrate from NetworkManager to netplan. My new server can connect to the internet, but complains that it has no route to ...
- 129
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0
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190
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Ubuntu 20.04 adding localhost routes with systemd-networkd
In order to support proxy-arp (sysctl net.ipv4.conf.all.proxy_arp = 1), I need to add host routes for specific IP addresses on my lan pointing to localhost. However, this capability doesn't seem to ...
- 138
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0
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77
views
2 Interfaces with different metric, and1 single default gateway - loosing connection
I have a weird issue. I have two interfaces: One is my WiFi, The other is as 4G USB
I am trying to setup the default GW through the 4G USB (which is NATed by the 4G provider, hence, I can't SSH ...
- 1
2
votes
3
answers
504
views
Route all traffic on port 443 (IPv4), to an external IP address on port 80 (IPv6)
I want to host a website from home using the Yggdrasil network. Yggdrasil gives me a static IPv6 address at home (even if behind a DNS). However "regular" users cannot be routed to that IP ...
- 296
1
vote
0
answers
15
views
Routing application traffic through specific WIRELESS network interface
I've seen quite a few tutorials, more or less complete, about forcing an application to use a certain/specific network interface, however, all such tutorials deal with wired interfaces. The most ...
- 101
1
vote
2
answers
868
views
Route all traffic from one server to another
I have two servers.
First one is from a local datacenter. OpenVPN is installed on Ubuntu 22.04. Clients connect to this server and get an IP from 10.8.0.0/8 pool. Clients are configured to redirect ...
- 121
1
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1
answer
1k
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netplan routing in ubuntu 22.04 gone bonkers
Sorry if this superlong, i have a remote PC running ubuntu 22.04 server that has two services on it, ssh and xrdp, i use it to connect to a remote office using checkpoint VPN, anyways, everything ...
- 11
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0
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112
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UFW cant change default routed to allow
I have ufw running on ubuntu/raspberry and am trying to config it to work with wireguard, however i cannot change default to allow routed. I have tried both cli and the config file but status verbose ...
0
votes
1
answer
275
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How can I set up my Ubuntu sever as ipv6 tunnel?
I have an Ubuntu server one bare metal that has both ipv6 and ipv4 dedicated, but my home ISP ONLY PROVIDES ME WITH ipv4, is there any sane way of setting up my dedicated server as an IPV6 tunnel ...
- 332
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34
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How do I reach a self-hosted webpage in a DMZ from our main network?
I have a self-hosted web site on our dmz, at 10.0.0.63 over port 4000
I can ping the IP 10.0.0.63 from our main network 192.168.0.0/24 but I cannot access the web page using the http://10.0.0.63:4000 ...
2
votes
1
answer
66
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ubuntu 20.04 wrong ip in LAN
After updating Ubuntu 20.04 and installing wireguard I'm facing an issue. My machine wasn't reachable via ssh and pings anymore.
ping 192.168.178.42 (the LAN ip of the ubuntu machine) outputs:
$ ping ...
- 23
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0
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147
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No ping between two 22.04 laptops but can ping both ways from 3rd (windows) device
I have a subnet 192.168.100.x where all IPs a served DHCP over WiFi.
I have
XPS laptop 192.168.100.121 (Ubuntu 22.04)
Inspiron laptop 192.168.100.107 (Ubuntu 22.04)
Windows laptop 192.168....
-1
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1
answer
78
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How to read and alter packet info when forwarding
I have two laptops running ubuntu(both 20.04.4 LTS x86_64) and im trying to use one as a router(lets call them laptop1 and laptop2 and laptop2 is acting as a router). So far ive used the ip route ...
1
vote
2
answers
3k
views
openVPN client does not create routes - Ubuntu 22.04
I am struggling to get my openVPN 2.5.5 working on Ubuntu 22.04.
Long story short :
my server has been working for years (recently updated to Ubuntu 22.04)
I have other clients connecting correctly (...
- 21
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votes
0
answers
202
views
ip route show missing routes
I have a bare metal node running ub18 kernel version 5.4 with ifplugd at version 0.28-19.2
I run the following command: ip route replace default metric 99 proto kernel nexthop via <DG1_IP> dev ...
0
votes
0
answers
296
views
Two network cards. Configure one with DHCP (internet access), the other one with a static IP (connected to a single device)
Ubuntu 20.04.4 LTS
My server has two separate network interfaces. One interface is connected to a switch that in turn is connected to a router. The other interface is connected to the network ...
- 121
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votes
0
answers
111
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How do I get ssh to start working?
I turn an unused laptop into an Ubuntu server and everything was working great. I connected to it through ssh on my Windows 10 computer and was able to set up and access Nextcloud to upload all my ...
- 1
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1
answer
297
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set up 2 networks card with different gateways
I have a VMs Ubuntu server 20.04 with two network cards, I would like to set up a different vlan with different gateway in each one. I made my routing table in the file yaml but when I assign gateway ...
0
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0
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144
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How to configure route between tun0 to access local client network from the server?
I have the following structure. All machines are Linux based.
Server
------------------------
eth0 WAN
tun0 192.168.2.1 peer 192....
- 153
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0
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32
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Single Server with 3 network subnets - how to setup routing tables
I have 4 servers, each having 8 NICs each. For each server, 2 NICS form bond0 (192.168.1.10; GW: 192.168.1.1), 2 NICS form bond1 (192.168.2.10; GW 192.168.2.1) and 4 NICS form bond2 (10.154.46.200; GW:...
- 1
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2
answers
852
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Help with netplan and 2 LANs on Server v22.04
I'm running Ubuntu server v22.04 with 2 NICs - one facing the ISP and one facing the local LAN and is intended to be a media server for the local LAN and the interface between the LAN and WAN.
The ...
0
votes
1
answer
4k
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Ubuntu 22.04 shared internet connection with multiple interfaces
I use Lubuntu 22.04 LTS with Cinnamon desktop to be precise.
I have one network device with a single interface on my motherboard.
enp5s0 is the one connected with my ISP-router, with fixed IP 192.168....
user849355
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0
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326
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Translating RedHat network settings to Netplan (Ubuntu 22.04)
Update:
It seems it was an issue with the load balancer settings. It is now working with the configuration I show below.
Question:
I need to translate these instructions for RedHat into netplan ...
- 1,316
1
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1
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95
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How to set up routing between two networks?
How to set up routing between two networks?
Network #1
ip-10.10.10.1
mask-255.255.255.255
ip-10.10.10.2
mask-255.255.255.255
Network #2
ip-10.10.0.0
mask-255.255.255.0
gw-10.10.0.10
enter image ...
- 31
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votes
0
answers
639
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Help with correct routing for Tailscale/Wireguard - really frustrated!
Running two VPS instances.
One in Auckland, and an Oracle Cloud instance in Sydney.
Auckland acts as a wireguard server - using PiVPN's build there, and I connect to the Sydney instance via the ...
0
votes
1
answer
474
views
Routing to subnet of a shared internet connection
Greeting, I have a mobile wifi router (192.168.8.1) and an Ubuntu PC Wifi(dhcp).
I have purchased a LAN/WIFI router for playing with IoT devices. I set Ubuntu to share the internet connection and have ...
0
votes
0
answers
126
views
What is the equivalent in Ubuntu to changing the Windows IPv4 configuration?
The Windows IPv4 Ethernet settings (see image) have fewer options than Ubuntu wired settings and I am unsure what to change in order to mimic (if that is possible) the same change in Windows.
In ...
- 101
0
votes
0
answers
273
views
How to have a same static IP address in all the networks
Imagine, I have an application at office which is bound to use 10.x.x.x IP address once it is installed. The gateway of this address will be 10.x.x.1 and this IP is set as static.
So, when I move the ...
0
votes
1
answer
373
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DHCP and Static IP on different subnet on one interface - Netplan - What are the limitations
Maybe I have some fundamental misunderstanding about subnets, but someone at my company is telling me what I want to achieve is not possible or at least not reliable.
Currently, we have multiple ...
