Questions tagged [routing]
Routing (in IP-based networks) is the process of selecting paths in a network along which to send network traffic.
1,157
questions
0
votes
0
answers
18
views
pfSense routing issues
Ive got a routing issue on my pfSense box that shows the response to a ping request being routed to a IP in a separate subnet/vlan.
10:25:13.239238 IP 10.2.0.2 > 8.8.8.8: ICMP echo request, id 9374,...
- 103
1
vote
1
answer
40
views
How to route between three containers connected by two networks in series
I'm running into some issues with routing between docker networks. Hence, I broke the problem down into a simpler case but it is still not working. Can you tell me what I am doing wrong?
The Setup
...
- 21
0
votes
0
answers
12
views
When usinga VRF together with a network namespace, I cannot ping the network namespace if the address assigned to it is already assigned in the host
My host has a network interface with gateway with 192.168.1.1 as address; the local address of this interface is 192.168.1.5. It's ok, a common network setup.
I tried to set up a VRF (virtual routing ...
0
votes
0
answers
21
views
Using Linux server as a gateway for specific addresses in internal network
I have a RHEL 9 server which has IP addresses as 172.10.0.10 and 172.30.1.10, which is connected to two separate switches with two separate network interfaces.
This server runs a virtual machine, ...
0
votes
0
answers
14
views
Openvpn Routes are not adding to the server when client is connecting
Can't find out why routes are not adding. Here's my configs:
/etc/openvpn/ccd/kostroma
ifconfig-push 192.168.200.38 255.255.255.0
iroute 10.1.0.0 255.255.255.0
iroute 10.1.3.0 255.255.255.0
iroute 10....
- 101
0
votes
1
answer
45
views
What other subsystems are responsible for enabling IPv6 in when it has been disabled in sysctl.conf, and how can I track which one is enabling it?
Although I have disabled IPv6 in sysctl.conf (Debian 11), connecting my main switch to an IPv6 enabled router results in IPv6 addresses being allocated on Debian interfaces and I can ping and SSH to ...
- 7,619
0
votes
1
answer
10
views
Inquiry on how to set up the bypass function through 2 lan ports in a pc
I have 2 LAN ports on the server (eth0, eth1). I want to export the packet that came from eth0 to eth1. Additionally, I want to make it work in the opposite direction at the same time.
Is it possible?
1
vote
2
answers
39
views
Connect to a device on a different subnet
Device 1 is connected to a network with gateway 172.16.96.1 and netmask 255.255.240.0
Device 2 is connected to a network with gateway 172.16.156.1 and netmask 255.255.252.0
Can I ssh from Device 1 ...
- 11
0
votes
0
answers
23
views
How is the namespace able to communicate with eth0 without NAT here
I was following this tutorial https://github.com/faysalmehedi/linux-network-namespaces-hands-on
I had to use this command so that our ns1 namespace can talk to eth0, where 192.168.1.1 is the IP ...
- 101
1
vote
0
answers
44
views
NAT router with private IP towards ISP and public IP on the second interface, localhost traffic problem
I need help with the following network and router. Under emergency conditions, I received the following network. The router (Ubuntu) has two interfaces and a DNS function. The private address on the ...
- 11
0
votes
0
answers
43
views
Firewalld (nftables) SNAT problem
so my setup is following:
A:
PrivIP: 172.16.1.1
PublicIP: 212.1.2.3
B:
PrivIP: 10.123.0.1 (Interface: dummyip, dont ask why I named it like that)
PublicIP: 213.1.2.3 (Interface: eth0)
They both are ...
- 1
3
votes
1
answer
60
views
IP forwarding between two LANs without masquerading
I have two LANs connected with a VPN:
LAN1:192.168.0.0/24 <=> VPN:192.168.2.0/24 <=> LAN2:192.168.10.0/24
The two routers (one on each side of VPN) are running on Debian Linux and IPv4 ...
- 61
0
votes
0
answers
7
views
How does dynamic routing stack up against multipathing/bonding techniques for a remote gateway?
I have a remote gateway to which I connect using two IKEv2 VTIs, OpenVPN, Wireshark, or a combination of these in /30 tunnels. Then create an ECMP route using OSPF (FRR) and the rest is like magic. I ...
- 311
0
votes
0
answers
30
views
Server not responding to ICMP requests
I have 4 servers running on rocky linux at a datacenter in Chicago but one is not answering to ping requests. I have been checking for solutions for day but so far things look good, what I am missing?
...
0
votes
2
answers
99
views
Wireguard and Ubuntu 22.04. Forcing traffic from port 25 over VPN
So Im hosting a server in a docker container which is a client in a VPN network. I Cant send any egress traffic out of port (say ummm 52) through the host. That box is a client to a wireguard server. ...
