Questions tagged [ip-routing]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
-1 votes
2 answers
168 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 ...
TechGuy's user avatar
0 votes
0 answers
74 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. ...
Qmails's user avatar
  • 41
0 votes
1 answer
73 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 ...
John Tate's user avatar
  • 179
0 votes
1 answer
50 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 ...
risclr's user avatar
  • 1
0 votes
0 answers
155 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 ...
djshaw's user avatar
  • 1
-1 votes
1 answer
49 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 ...
tacoshy's user avatar
  • 101
0 votes
1 answer
70 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 ...
Thomas's user avatar
  • 111
-1 votes
1 answer
145 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 ...
F.I.V's user avatar
  • 139
1 vote
1 answer
118 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 ...
Roman's user avatar
  • 425
3 votes
1 answer
126 views

How to route an IP address?

I am trying to route an IP address (camera sensor) to an edge server through a 5G network. The camera sensor is connected to a 5G Modem. The camera IP address is 10.45.3.1, the 5G link IP address is ...
HSHATA's user avatar
  • 31
0 votes
1 answer
3k views

Connect to a postgres running internally within a cluster through a kubernetes pod

I've got a kubernetes pod myapp-2390458f-kfjgd I can get access to with kubectl and an instance of a PostgreSQL that can be accessed from within the kubernetes cluster by the name mypos.tgres.com, but ...
Some Name's user avatar
  • 143
0 votes
0 answers
23 views

Yahoo L3dsr loadbalancer install issue.why I have private key issue?

I need to make a load balancer. But I have to use l3dsr metod because my loadbalancer server and real server are in different locations and subnets. I does configuration on my load balancer server and ...
Ehsan Hosseini's user avatar
0 votes
1 answer
177 views

How to use DSR load balnce from two different network?

I have a server (A) which clients connect to it throw internet and its ip is 195.45.10.2 it route trafic to server (B) and its ip is 85.10 20.2 . So now I want to use some thing like dsr to let server ...
Ehsan Hosseini's user avatar
0 votes
0 answers
38 views

packet goes up input chain instead of being forwarded

I am trying to see if i can forward traffic through a loopback interface. The primary reason for me to do this is to see if I can force a route lookup as the packet traverses through the loopback ...
skp's user avatar
  • 21
0 votes
1 answer
582 views

Linux: Automatically remove routing reference when next-hop is unreachable

I'm setting up the routing for my site-to-site wireguard VPN. Everything seems to be working fine but I have noticed that if a remote destination (next-hop) becomes unreachable the Linux kernel doesn'...
rs232's user avatar
  • 105
-1 votes
1 answer
354 views

Wireguard custom routes lost after suspend

I am running wireguard client on Ubuntu 22.04 from a Lenovo laptop using a WiFi connection, to connect to my home network. The configuration leads all traffic through my home network and it all works ...
storestyggeulv's user avatar
0 votes
1 answer
181 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-...
Mazin Roushdy's user avatar
0 votes
1 answer
417 views

Use a virtual Network in PFsense to redirect packages to device in another network

I'm using PFsense and i have this situation: Network Example I have a Pfsens already connected with "Site1" through OpenVPN. I can acess the "Device" normally in Pfsense network. ...
FelipeFonsecabh's user avatar
3 votes
1 answer
890 views

WireGuard over udp2raw routing issues for the tcp port on server

I have successfully made a connection to wireguard through TCP using udp2raw. The abstract is: My local MAC Server Via TCP Wireguard On the Server 127.0.0.1:3333 (UDP) <-...
Steve Moretz's user avatar
0 votes
1 answer
654 views

Using a External VPS server to act as a firewall / proxy server for a locally hosted server

TL;DR I am trying to use one of my linode servers as firewall / proxy server for a locally hosted game server (using 28015 udp and 28082 tcp) so that the ip of the locally hosted server is not exposed ...
CJ-5's user avatar
  • 11
1 vote
0 answers
221 views

Server with multiple public IPs - pointopoint configuration, bridge, KVM

I am in the process of configuring a server at the provider Hetzner with several individual IP addresses. On the server should run later several VMs via KVM. For the configuration I have to use ...
phanaz's user avatar
  • 370
0 votes
0 answers
387 views

Is is possible to use OpenVPN client as default network gateway (OpenWRT)?

Usually, when using a VPN, you can route all client traffic(s) through a VPN tunnel with a exit point on the VPN server. Is there a reverse possibility: to organize an exit point to the WWW on the ...
Alex A.'s user avatar
  • 101
0 votes
0 answers
96 views

Tracert hop of a L2TP vpn client shows unknown subnet

This isn't really a problem, I more than anything am trying to understand. The network I inherited and work on with another tech who built it is primarily Meraki. There are about 35 sites that ...
russtoleum's user avatar
0 votes
0 answers
672 views

Route Docker outside communication through specific route

My host has 2 IP addresses. One main (management) IP and one that is used for services and whitelisted. The service IP has no gateway but goes through the gateway of the management IP. My netplan ...
Ybrin's user avatar
  • 111
0 votes
1 answer
2k views

Routed IPv6 on internal bridge with virtualized OPNsense router

I'm struggling with adding IPv6 to the internal bridge of my setup, here is what I have: ┌────────────────────────────────────────────────────────────────────────────────────────────────────...
Andreas Piening's user avatar
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 ...
ab_tech_sp's user avatar
0 votes
1 answer
189 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@...
omeganebula's user avatar
0 votes
0 answers
41 views

How to setup load balanced / fail-over route where there are multiple valid routes to the same subnet?

We have a situation where we have multiple EC2 instances each running a VPN. Both the remote VPN server and remote subnet are run by a third-party and we have no say in the way they are setup. We don'...
Philip Couling's user avatar
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 ...
Rohit Singh's user avatar
0 votes
1 answer
266 views

Routing between two Cisco CSR1000v instances on AWS

I'm building a lab in AWS with Cisco CSR1000v virtual routers. I've tried both the below options. In option 1, there's no way to force the traffic from linux1 or 2 to the respective CSR routers since ...
kaziman's user avatar
0 votes
1 answer
776 views

How to add a routing rule that only match "dport"?

In my OpenWrt box, I want to route only a specific protocol(tcp:1888) to a tun interface only for one PC(192.168.28.2), so I do as following: ip rule add from 192.168.28.2 dport 1888 lookup 123 ip ...
Leon's user avatar
  • 179
0 votes
0 answers
45 views

route packets from specific hosts to virtual device

PIMv2 I think the issue is with multicast. I want to create a GRE tunnel that supports multicast PIMv2. I am seeing the server sending PIMv2 Hello messages to my gre tunnel but my machine is not ...
neoh's user avatar
  • 1
1 vote
1 answer
530 views

Ubuntu UFW log shows public addresses sending traffic to my RFC1918 private address

This is really a routing question but here is the back ground: I am running Ubuntu 20.04.3 LTS with UFW. My internal network is 10.126.1.0/24. No inbound translations at the Internet edge. If I ...
Tirki's user avatar
  • 11
-2 votes
1 answer
173 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: ...
RBK050's user avatar
  • 9
1 vote
0 answers
89 views

IPv4 -> IPv6 -- IPv6 -> IPv4 routing

I hope the is the right place to ask this question. I'm just looking for the correct name of the type of network routing I'm attempting to implement so I can learn and implement it. I'm using linux (...
Bill's user avatar
  • 11
1 vote
0 answers
164 views

IP Binding Issue in using GRE Tunnel

I have a issue with tunneling and am having a hard time finding a solution. I have two servers, A: Host-Server being a sever with a single IP, and B: Main-Server being the server handling all our ...
NinjaDestroyer's user avatar
0 votes
1 answer
111 views

Decoupling IP address from hosting provider

We run a service that provides on demand websites to our users as part of our offering. In order for our users to use their own domain with our website feature, we have them create an A record to our ...
Eran Galperin's user avatar
-1 votes
2 answers
748 views

Multi hop routing

I'm trying to communicate from the tx.py program to send packets (UDP) down to device 1 and device 2 shown in the picture. Currently we have OpenVPN clients running on 2 of our VMs and if I run tx.py ...
Fraggle's user avatar
  • 61
0 votes
1 answer
42 views

Super user limited to changing route table

Background: I am trying to implement dynamic routing for a system. Is it possible to create a super user that is restricted to changing the routing table? Something like a restricted sudo that can ...
user27221's user avatar
  • 111
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/...
SlyOne's user avatar
  • 363
0 votes
0 answers
1k views

DHCPOFFER not crossing virtual bridge on Linux?

I have a physical host machine running Ubuntu 20.4LTS (fully patched) attached to my network, which retrieves it's IP address via DHCP. This works. I have a VirtualBox VM on that host attached to a ...
RabidMutant's user avatar
1 vote
0 answers
1k views

Port-Forwarding and Routing on Windows Server 2019

we run several virtualized servers (all Windows Server 2019) in a cloud environment. There is one server used as router (with a public IP and a privte IP 192.168.100.10) and two further servers have ...
DPT-Schrauber2021's user avatar
0 votes
0 answers
211 views

IP forwarding with iptables

Im new with this scope. I need your help for this setup. I have 3 linux systems that may seems look like this. System A System B System C ---------- ----> ------...
Dhody Rahmad Hidayat's user avatar
0 votes
0 answers
128 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 ...
Gavin Hill's user avatar
1 vote
0 answers
400 views

Ubuntu 16.04 server loses default route on restart

One of my Ubuntu servers always loses its default route when restarted. I have a second server which has an almost identical set up which works fine. I am not sure when the problem started but it ...
Russell Fulton's user avatar
1 vote
1 answer
2k views

Kubernetes: route outgoing UDP traffic through service

My question is about Kubernetes' internal traffic routing and probably about routing / NAT in general. Goal: I'm running a Wireguard service on Kubernetes and I'd like to route all outgoing traffic ...
bob3000's user avatar
  • 11
1 vote
1 answer
7k views

Dual Gateway Setup in Mikrotik

I'm new to Mikrotik environment, and I need some help for the following scenario: I have an ADSL router (main internet connection) with IP range of 192.168.1.0/24, connected to Ethernet 1 of my ...
Aydinl60's user avatar
1 vote
0 answers
355 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. ...
Bruno da Costa's user avatar
0 votes
1 answer
2k views

Can't get linux router/iptables masquerade working

Hope someone more clever than me could help because I am out of ideas... We want to create (in openstack) a router that will...route (haha) trafic from one network to the other. Simple. This is what I ...
Romain Pelissier's user avatar
1 vote
1 answer
16k 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 ...
CodeNinja's user avatar
  • 325

1
2 3 4 5 6