Questions tagged [tap]
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63 questions
0 votes
0 answers
62 views
Linux bridge forwarding from/to TAP interfaces
As explained here in my own Q&A, reconsider the following scenario. A Linux host with a two port Linux bridge and two Linux guest VMs connected to it: the first bridge's port is connected to TAP ...
2 votes
1 answer
85 views
How to enable internet access for a bridge inside a Linux network namespace?
I've created two Linux network namespaces (ns1 and ns2), and inside each, I have: A bridge (ns1-br0, ns2-br0) A TAP device (tap0, tap1) connected to the respective bridge Each TAP device gets an IP ...
0 votes
2 answers
189 views
How to communciate between two tap interfaces on two machines?
I have two debian based machines with IP adresses XXX.XXX.8.76/26 and XXX.XXX.8.77/26. Now i need to create a tap0 interface on both machines for an application that communicates with UDP messages. ...
1 vote
0 answers
162 views
Change tap device gateway
I have vps server, install softether on it , softether use tap device name tap_se with subnet 192.168.24.0/21 netmask 255.255.248.0 broadcast 192.168.31.259, clients connect with openvpn or l2tp to ...
2 votes
1 answer
942 views
How do I get the interface name created with `ip tuntap add mode tap`
I want to create a tap with sudo, and then attach the user space program (ssh) to it. I don't want to hard code the interface name, as multiple users will be using it, so I want the interface name to ...
0 votes
3 answers
182 views
How to determine next available network interface name and ip range?
I am working on an application which can create TUN/TAP interface on host machine. I can create such interfaces using: sudo ip tuntap add tap0 mode tap Now the thing is, tap0 is hardcoded here. It ...
0 votes
0 answers
374 views
Issue with Tap interface and routing
I am getting stuck in a bit of a rut and not sure if it's a limitation with EC2 servers, my attempts to get it working or a limitation with Softether. I have an EC2 server with 2 NICs; eth0 and eth1. ...
1 vote
0 answers
4k views
Configure network to allow QEMU to reach internet
I have the following standard configuration: A remote server connected to internet and that I can only control using SSH On this server, a QEMU instance I'm trying to find the right configuration so ...