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Questions tagged [ip-routing]

281 questions
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unknown nodes in network

When I look at my routing table, I notice two ip addresses within my local network that I am not sure where they are coming from. I currently only have one computer connected to my router, which has a LAN address of 192.168.2.6. Here's the output on…
JohnMerlino
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Packets dropped due to NAT? Firewall? Unroutable private IP addresses?

Preliminary note This question is out of academic interest. I know how to work around the limitation. I use this setup to control access from one subnet to the other on IP level which works great so I don't need any 'solution' or alternative setup -…
pong
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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 with ip address 192.168.4.110/24 that routes…
F.I.V
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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 well. I recently changed the configuration…
storestyggeulv
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2 answers

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 on those vms I can communicate fine to each…
Fraggle
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Easiest routing solution for a typical firewall with WiFi routers setup - WAN-2-hops-away network

Suppose a local network connected to the internet via a single firewall router. Devices that connect directly (i.e. using only layer 2 devices) to that router are: hosts WiFi routers providing the internet connectivity to other hosts. Note that…
vucalur
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cisco static router issue

I have emulated some routers under GNS. The problem is the following: The first router has (R1)192.168.1.1 ip address, the second router(R2) has 192.168.1.2 and 192.168.2.1 ip address and the third (R3) 192.168.2.2 and 192.168.3.1 The problem is…
user159192121
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Connectivity issues with 127.x.x.x series

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: 127.0.0.1/16 (it had /8. I changed the subnet mask…
RBK050
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Virtual network interface in Windows

i am trying to setup a VPN server tunnel on my windows PC so that i can connect to it using remote client VPN hence routing traffic through that tunnel client = android
invisible prince
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2 answers

How do routers route packets in the event a router goes down?

On the network backbone I mean. If a router goes down will the network reroute the packets around the router?
user1973385
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How to do static routing via next hop address?

i know the command is ip route [remote address] [next hop address] but how do i implement it? Currently these are the only ones that are connected: CALOOCAN - MAKATI MAKATI - NAVOTAS SWITCH0-PC0-PC1 SWITCH1-PC2-PC3 SWITCH2-PC4-PC5 Here's the…
Meryel
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