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Questions tagged [ip-routing]

272 questions
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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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Routing table connected entries different than interface assigned IP address

I have a HP ProCurve A7102DL router which has eth1 and eth2 interfaces. I currently have eth1 set as my WAN and eth2 as my LAN side. My eth2 has three IP address assigned to it which are A.A.A.1, B.B.B.1, & C.C.C.1. The LAN side IP addresses all…
jer.salamon
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force traffic out a specific nic on same network

On windows server 2008 I have 2 network cards both configured on the same network (i will explain the purpose in a second) NIC1: 10.35.1.98 Mask:255.255.0.0 Gateway: 10.35.1.254 NIC2: 10.35.1.99 Mask:255.255.0.0 Gateway: 10.35.1.254 What I am…
John
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How can I make outbound requests from two servers that appear to come from the same IP address

I am making calls from an ec2 instance to a third party web service (over which I have no control). I would like to be able to scale horizontally, so that I can make these calls from multiple ec2 instances, but the web service I'm calling…
Brad
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Routing between two networks with three router

There are a network 192.168.0.0/24 and a different network on a second location with 192.168.50.0/24 on both networks are a router with 192.168.x.1 who route the traffic. Now i install a new Router with 192.168.0.2 and connect with ipsec to…
kockiren
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set-up webserver with two nics

I have a web/email server with to nics, eth0 and eth1. I want to set it up, in order all WAN traffic is going through eth0 and all LAN traffic is going through eth1. I found a number of descriptions and tutorials about policy based ip routing, but…
BetaRide
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