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Questions tagged [ip-routing]

281 questions
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Select next-hop based on source address

I'm trying to set up a Ubuntu-based gateway between clients and the core router, the ideal traffic flow should be: ClientGroup 1 (10.0.0.0/24) -> Ubuntu gateway (10.0.0.2) -> Core router (10.0.0.1) -> Internet ClientGroup 2 (10.0.1.0/24) -> Ubuntu…
GreenVine
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Forcing route to interface, no matter what

I've got 2 interfaces on my server (eno1 & eno2). Whenever any process try to reach an IP (lets say 183.182.99.1), I want the traffic to use the eno2 link. Here is my current routing table: default via 192.168.1.1 dev eno2 metric 90 default via…
Stopi
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No uidrange rule with IProute2

When I run "ip rule help" there is no uidrange option in the selection sectors. I also get an error when I try to add a uidrange rule. Iproute2: 4.9.0-1 Command: sudo ip rule add uidrange $uid-$uid table vpn Output: Error: argument "uidrange" is…
Vernox Vernax
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Convert one interface to a tunneled interface

I have a server with 2 WAN interfaces, eth1 and eth2. Each one have one router connected which gives them these IPs: 192.168.3.101 and 192.168.1.101. The thing is that I want to completely avoid traffic through eth1 and instead create a tun0 which…
Jorge Fuentes González
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Ubiquiti EdgeRouter uses default route over static when responding to ICMP

I need to have a working connection between two router devices and the subnets behind them. Everything else in the setup seems to work except one static route. Here is the basic information about my setup: Juniper: Vlan95 10.250.0.1/24 Vlan1 …
nyoatype
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How to handle VPNs and native IPv6

I've got native IPv6 via my ISP (they give me a /48). Using RAs (SLAAC), my router is advertising a particular /64 to machines in my network - in other words my network has full native IPv6. My router is also connected to an OpenVPN network to…
Iain Lane
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Iptables forward incoming traffic multiple ip

I have a server with 5 ipv4 95.x.y.1 95.x.y.2 95.x.y.3 95.x.y.4 95.x.y.5 and I need to forward only the incoming traffic from port 80 to port 8080 (and same ip) so 95.x.y.1:80 --> 95.x.y.1:8080 95.x.y.2:80 --> 95.x.y.2:8080 95.x.y.3:80 -->…
Francesco
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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 it will forward outgoing connections to the…
POMATu
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Tyring to figure out ip-route

I've been playing with packet tracer and trying to fully grasp ip routing. So far I'm doing ok i think. Why am i able to ping r3 from pc1 (route working correctly as it should) vice-versa but cant ping r3 from r1.
kwapster
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map local address to external one?

Currently I have a network setup like this: Router (aka. OuterRouter) to connect to the Internet (localIP: 192.168.0.1/24, externalIP: ) Router (aka. InnerRouter) for local network. This router uses its external address…
SOReader
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ip routing src rewrite

been fighting on this configuration for too long. Let say a public IP : 1xx.24.184.yy/32 Let say a private network : 10.184.yy.0/28 gw 10.184.yy.3 Now I would like my public IP routed via the gateway What is the good configuration ? …
Gilles
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Time Clock IPsec and Layer3 Routing

Thank you for your time, I incorrectly asked this in Network Engineering so I'm moving it here. I have a Remote Office and a Main Office linked via IPSec with the Main Office being 192.168.16.0/24 and the Remote being 192.168.1.0/24. I can ping all…
BigMikeL
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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 interface with the IP 192.168.10.2 and a virtual…
WoJ
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IP routing issues in Ubuntu

I have four servers: VPN Server (10.12.96.5/28)eth5 & 10.8.0.1(TUN0) Web Server 10.12.96.4/28 Proxy Server 10.8.0.4/24 PBX Server 10.12.96.3/28 PROXY-----VPN-----WEBSERVER VPN-----PBX The VPN server has a private IP 10.12.96.5/28, and a VPN IP of…
Ian Arman
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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) to satellite from satellite …
Charly
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