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Questions tagged [ip-routing]

281 questions
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Is a "bridging device" required to join two networks?

We're considering two NBN fibre connections to the Internet (NBN is a fibre connection for those of you not living in Australia), with each connection having it's own subnet. The first connection's subnet is 192.168.0.0/24 and the second's is…
magnus
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Route a port through a specific network interface

I'm using OpenVPN on Ubuntu Server to connect to my VPN. That network interface is tun0. All traffic currently goes through the VPN. I'd like to exclude traffic that goes over a specific port, and have that traffic go through eth0, and not through…
Randy
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Can't connect to pre-configured NAS boxes with static addresses and default gateway 172.16.2.1

I received several TeraStation NAS boxes which I can't configure because I can't connect to them, presumably because they were setup for a specific environment. I'm hoping to virtualize the environment needed to properly connect to them. I have them…
OttoV
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Route part of a subnet to a different gateway

Data network is 10.220.0.0/20 DG is 10.220.1.19 I am trying to have all traffic in 10.220.8.0 - 10.220.15.255 (10.220.8.0/21) routed to this gateway: 10.220.1.251 I can't seem to accomplish this at the switch level. I know I can manually assign…
Matt Weick
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HP RIP on LAN Topology

We have 1 main core HP Routing Switch in server room that connects other data closet switches and 6 Data Closet switches that connect the clients. We only have 3 VLANS. I have 2 questions: 1.) Should we be using RIP protocol? If so which…
Matt Weick
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Linux Redhat inbound NIC routing

I am running a SIP application on a Redhat Linux server with 4 nics on separate LANs. SIP runs on UDP port 5060. When I send a inbound packet to port 5060 NIC0, the packet gets delivered to the application. When I send a packet to port 5060 to the…
Parmalat78
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Routing between 2 networks and 2 routers

I have a WatchGuard XTM33 and a Cisco ASA 5505, current network is running off of the Cisco and I want to eventually migrate over to the WatchGuard using new IP scheme. ASA 192.168.111.1/24 WG 10.0.0.1/23 If I setup the WG and configure one of the…
nGX
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Adding static routes to remote networks

Having: My local machine (A) A remote router (B) who knows a remote network/subnet (X) My local machine's is located at the default router's (C) subnet, who know the remote router (B), but has no reference to the remote subnet (X) Can I enter a…
ralftar
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Network card with 2 ips, Application can only listen on 1 IP, want other IP routed

I run an ubuntu server. It has 1 NIC with 2 IP address. it looks like this: # The primary network interface auto eth0 iface eth0 inet static address 192.168.1.23 netmask 255.255.255.0 gateway 192.168.1.254 auto eth0:0 iface eth0:0 inet static name…
MyDevisPrettyRocking
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vServer: Configuring single (/128) assigned IPv6 addresses for use as IP address pool for IPSEC (Strongswan) road warriors

I've a new (dev) vServer up and running. Unfortunately the provider only hands out single IPv6 addresses (not even /64 subnets). Now I am a bit confused how to achieve the following: I want to use those addresses (which are all from totally…
khaos
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How to use services secured by our gateway IP from clients outside our network?

I work for an organization that uses a managed host for App1 and a collection of apps, App2..N App1 is a web application, hosted on a linux webfarm by a large vendor - and it uses a forms-like authentication (e.g. simple username + password). The…
qxotk
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IP-Route multiple IPs from one NIC to Hyper-V instances

I have one root server @ server4you, unfortunately, S4U doesn't allow Bridging, so I am stuck with a problem! I have 4 IPs mapped on one NIC and need to realise following configuration: XX.XX.XX.1 => localhost (the VM Host) xx.xx.xx.2 => exchange…
Fabian784
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How to config two different ip and gateway on two different NIC

Sorry for my poor english in advance. I don't know how to config my adapters for this specific situation as i explain below. i have two NICs, one for web server and internet vpn and another for internet proxy server. let's say for example my first…
Saman
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Routing issue with multiple IP addresses on EC2 (VPC) host

We run a EC2 Ubuntu server acting as a STUN server for the NAT Traversal mechanism in my company's application. By the nature of the STUN protocol the server needs two IP public addresses. We hired some consultants to set this up for us but they…
Yrlec
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Proper destination routing on same interface, same subnet but different gateway

How to make sure, on the same interface, to properly route traffic to the same subnet, based on availability of a gateway? e.g. 10.1.1.1/24 interface eth0/1 gateway 10.1.2.1 pref 10 metric 1 10.1.1.1/24 interface eth0/1 gateway 10.1.3.1 …
Alex
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