All Questions
Tagged with ip-routing linux-networking
32
questions
2
votes
1
answer
178
views
How to setup routing to the tun interface from an interface that is receiving tagged frames
I am configuring a Raspberry Pi to route traffic from a specific VLAN through a VPN, but I am encountering routing issues. Here’s an overview of my setup and the problems I'm facing:
Setup:
Raspberry ...
- 21
0
votes
1
answer
204
views
Injected packets using libPCAP library is not seen from python socket sniffer and netcat
I am using libpcap to transmit packets between two VETH pairs {veth1, veth1peer} and {veth2, veth2peer} and using each others peer to inject packets upwards to veth1 or veth2 and disabled "rp-...
0
votes
1
answer
1k
views
Routing traffic from a bridge to a specific interface
Fundamental question about routing in Ubuntu 20.04.
I have a baremetal setup in Hetzner which has an 11.22.33.44/32 IPV4 address along with 2a01:db8:30/64 subnet allocated to it.
enp7s0 is the ...
- 101
0
votes
1
answer
244
views
Firewall / Ip rule issues between two hosts via vSwitch
I have two servers in play here, one is a Qemu VM host, the other being a storage box of sorts.
They are hetzner machines, and I have them connected via a vSwitch.
Server1 vSwitch interface:
3: local@...
0
votes
1
answer
35
views
Routing issue between linux machine
Hi I have 3 linux servers deployed on Openstack cloud on same network.
Server A -----> Server B ------> Server C
Each server private IP address range is 192.168.10.x/24.
All 3 servers are ...
-2
votes
1
answer
179
views
Connectivity issues with 127.x.x.x series [closed]
Asked this in network-engineering in stack exchange and was redirected here.
I have a couple of servers with the below config
server1:
eno1: 127.15.0.1/16 scope global
eno2: 5.0.0.1/24
server2:
lo: ...
- 9
2
votes
1
answer
3k
views
proto static metric for overlapping prefixes
Can someone please clarify how the route metric is set by Centos 8 in the following situation.
I have two vlans on the system, each of which has a matching route prefix defined in /etc/sysconfig/...
- 363
0
votes
0
answers
137
views
Linux router over VPN
I have a Linux (Ubuntu 18.04) device with 4 Ethernet ports and a LTE wwan card that I want to turn into a bridge and router. However, I don't want to enable NAT via the LTE connection, but route all ...
- 156
1
vote
0
answers
366
views
Linux IPv6 + Hurricane tunnel = no IPv6 traffic from gateway, internal network works fine
This is a head scratcher to me.
Set up: Linux (openSUSE 15.1, kernel 4.12.14) run as a gateway on my local network. I have an IPv6 tunnel with Hurricane Electric (HE) that has been working just fine. ...
1
vote
1
answer
337
views
Routing between two private subnets attached to a host
I have four linux hosts networked together on a private 172.16.x.x/16 network. One of these hosts, call it host 1, has two NIC interfaces, one on the 172 network, and a second NIC which is attached ...
- 11
0
votes
1
answer
414
views
Routing in linux with two nics
I've been squeezing my mind with this problem since a couple of days, unfortunately I can 't find a way out.
May be it's lack of theory or just a bad setup. I will appreciate a bit of help :-)
...
1
vote
2
answers
485
views
linux - routing between bridge networks without overlay
Here's the scenario. There are two hosts in a subnet (both are virtualbox VMs) and both are on the same network 192.168.1.0.
I've additionally created two bridge interfaces with separate network ...
- 61
0
votes
2
answers
1k
views
Dante on multiple gateways in subnet
I have two gateways in my subnet.
192.168.1.2 - main
192.168.1.1 - secondary (yeah that's not a mistake)
So I am using 192.168.1.2 everywhere as default route
Is it possible to configure danted so ...
- 211
0
votes
1
answer
2k
views
How to enable correct routing with a VPN interface?
I installed wireguard on a server in a LAN and have a problem with a single ping between two components. the topology is as follows:
srv is a Linux machine (Ubuntu 18.04) which has one physical ...
- 3,687
0
votes
1
answer
363
views
DITG (ITGSend, ITGRecv) via two network interfaces of the same machine
I have a server on which a transmission benchmarks shall be performed. This server has 3 network interfaces (172.16.10.205 for SSH, 10.0.4.105 for sending, 10.0.8.105 for receiving)
...
- 101