Questions tagged [routing]
Routing (in IP-based networks) is the process of selecting paths in a network along which to send network traffic.
1,175 questions
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Automatically connect to ethernet when available
I want my Linux laptop to connect to ethernet automatically when the ethernet cable is plugged in. Right now, if the laptop is connected to wifi, it will stay connected to wifi even after the ethernet ...
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manage route redirects received from the default gateway
tldr;
where does a Linux system store route redirects from its default gateway?
First some context:
network1 192.168.1.0/24
default gw: 192.168.1.1
host1: 192.168.1.10
host2: 192.168.1.20
network2: ...
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Router with public IP towards ISP and public IP on the second interface, traffic problem
I need help with my network and router setup again. The router is running Ubuntu and has two interfaces with public IP addresses. We are renting a public IP address pool: 198.51.100.0/24. One external ...
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How do I make a virtual "alias" for a remote IP without a proxy process?
I have interfaces enp101s0f0u2u{1..3}, on each of which there is device responding to 192.168.8.1.
I want a local processes to be able to reach all of them simultaneously.
This is one process, so ...
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Routing through a non-adjacent host in a virtual network
I have a WireGuard virtual network. Three hosts on the network: A, B and R.
Only the host R has a static public IP, so both hosts A and B connect to the host R to connect to the virtual network.
Hosts ...
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Is it safe to assign multiple IPv4 and IPv6 addresses to a single interface for roaming across multiple networks?
I’m working on a Raspberry Pi-based network device that moves between several known locations, each with its own IPv4 and IPv6 subnet. To streamline connectivity, I’m considering assigning multiple ...
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How can I ensure IPv6 traffic replies go out the same interface they came in on (symmetric routing with multiple interfaces in same subnet)?
I have a Raspberry Pi with two network interfaces, eth0 and eth0100, both configured with global IPv6 addresses in the same /64 subnet (2405:200:185:2666::/64). From my MacBook, I can connect to ...
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Is there a way to change the metric of non-default IPv6 routes learned via RA (proto ra)?
My setup involves receiving IPv6 routes via Router Advertisements (RA).
A global on-link prefix route (e.g. 2405:200:185:2666::/64 dev eth0 proto ra metric 110)
I know you can use net.ipv6.conf.eth0....
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How to create a Geneve based Mesh network to replace VXLAN
I have 3 hosts that are connected via Wireguard mesh with each others.
I want all three to have the same layer 2 traffic (it's about disaster recovery).
So far, I've setup a bridge on each, connected ...
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Is it possible to route GTP traffic in Linux?
I want to be able to route GTP-U traffic that arrives to my linux through two different interfaces. However, I want to route it using information inside the tunnel: inner ip addresses. My machine is ...
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Routing configuration with Yast on opensuse 15.6
When adding a specific routing instructions via the Yast network configuration tool how to find a different subnet, the information did not show up when calling the "ip route" command.
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Computer intermittently unreacheable through wifi access point
I have a problem with reaching linux hosts through my home network, and I'd be glad for someone to point me in the right direction.
I have a main wifi and wired router running DHCP. All IP addresses ...
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Why can't I connect a network namespace to the Internet?
I've seen other answers on this site and read an article and watched a video on the topic, but I still can't connect my network namespace to the outside world.
Setup
I created a namespace named "...
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ubuntu arp problem with who-has x.x.x.x tell y.y.y.y
i have a single server which two VM(ubuntu) configured as ubuntu-edge(with frr module for routing - wan side) and ubuntu-fw(for lan side), between these machines there is a virtual internal interface. ...
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Virtual Machine and Physical PC Can't communicate over hub
I just created the topology shown below
The problem is Ubuntu virtual machine do not get any packet from Windows Server 2022 or Windows 10 (virtual) machine (Ubuntu machine is communicating with ...
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