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Questions tagged [ip-routing]

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0 votes
0 answers
13 views

AWS SSM failing after implementing IP route over one interface

I have a EC2 instance in an autoscaling group that I add an extra network interface (ENI) to because I want it to have a static private IP address (By all means if someone has a tip to do this in a ...
0 votes
0 answers
40 views

Route all traffic **except return traffic** through NAT Gateway

I am fidgeting with NAT Gateways and netplan. I need all traffic that was initiated by the machine, so to say, to go though the nat gateway, and all return traffic in response to inbound requests to ...
2 votes
1 answer
4k views

Mac Server bizzare routing table

My mac routing table usually is very simple. I know it's based on bsd , but what's it doing or trying to do. My routing table is usually very simple however, the second one, default was point to ...
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 ...
1 vote
1 answer
18k views

How to push a gateway and route to an OpenVPN client?

I need to setup a OpenVPN network which will probably grow to a serval hundreds of clients in the next few months. Some of the clients are servers and others are devices that need services, hosted on ...
-1 votes
2 answers
614 views

Unable to access Url from Internet through WireGuard VPN tunnel

I am trying to access a router settings web page from Internet. I have setup a WireGuard VPN on AWS EC2. The handshake between the router and the WireGuard server looks good, but I am not able to ...
0 votes
0 answers
90 views

Reply on same interface from which the request came?

Virtual machine with two network interfaces. Both interfaces have a default gateway. One is connected to the Intranet. The other is connected to the Internet. ...
16 votes
5 answers
8k views

How does an IP packet know which gateway to take?

Suppose two gateways exist on the same network. If I understand correctly, the IP routing table on sender's computer decides which packets get routed through which gateway. IP routing tables contain ...
1 vote
1 answer
169 views

SNAT and DNAT port forwarding to a linked subnet

I am having some issues with the classic problem of DNAT/SNAT port forwarding, with the added complexity of multiple networks and subnets being involved. I want to forward a port from a VPS server of ...
0 votes
1 answer
53 views

How to route traffic from private LAN to specific public remote host via alternate gateway?

Overview I am trying to deal with the following scenario: +------+ (Internet) 50.a.b.c +---------+ | edge + eth0 <-----------------------------> + outpost | +--+---+ 25.u.v.w ...
0 votes
0 answers
257 views

converting ip to netplan

I'm trying to convert a set of ip commands to a netplan configuration. I haven't had any luck so far, and I'm not sure why. My script for creating the bridge is: # Create the bridge ip link add name ...
-1 votes
1 answer
53 views

whitelisted VLANs with L3 Managed Switch routing

I have a basic setup for self-learning purposes. I'm a developer but trying to also understand the other side of IT managing networks. I mean learning case I have a single managed L3 switch. To it are ...
0 votes
1 answer
96 views

Windows can't reach IP host through two routes

Problem: Windows 10 can't reach an IP host behind two routers, where the path is specified in static routes. Windows has the following setup: Windows Host (192.168.3.1/24 for the local LAN with ...
-1 votes
1 answer
184 views

Behavior of longest prefix matching in Windows routing

Description I face a scenario in which longest prefix matching does not occur. Setup On my lab machine, I have a virtual nic VMnet11 (VMWare) with the ip address 181.0.0.10/8. I have a physical nic ...
1 vote
1 answer
195 views

Does anyone know of a program or script to show which route is being used for an IP address?

In Windows (say Windows 10), I'd like to put in an address, and then the relevant line from the routing table is shown (if any). So, pretend you are pinging an address and the computer processes the ...

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