the process by which data packets on communication networks are forwarded into the direction of their ultimate destination by routers.

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1answer
327 views

Systems Center Operations Manager on Dual-Homed Server

I am attempting to start playing with SCOM 2007 but I've run into a brick wall. The box SCOM 2007 is installed on is a dual NIC machine, one network connected to the public Internet and the other ...
1
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1answer
650 views

Use iptables for filtering based on MAC/IP?

I was wondering if it possible to use iptables to enforce MAC address to IP restrictions to prevent users from stealing IPs. Basically just looking for a way to specify that MAC X can only use IPs Y ...
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1answer
217 views

Exchange 2010, Mutliple IP's

I have multiple IP's on our new exchange 2010 box, but I need it to only send on IP #1. It appears to just route them randomly, I'm wondering how I go about telling exchange that I want it to route on ...
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4answers
1k views

How to determine which NIC data/traffic is using?

How to determine which NIC data/traffic is using? To make sure routing is correct.
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2answers
3k views

Public traffic to go over 1 NIC and private traffic to use another NIC

Currently we have a Windows XP computer with 2 NICs. We want all traffice destined for private IP addresses to go in/out of NIC (10.1.1.20) and all public traffic to go in/out NIC (173.x.x.x) Our ...
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1answer
4k views

Routing traffic between home machines and remote machines over pfSense PPTP VPN…?

I'm having a bit of trouble routing my traffic through my VPN server. Basically I have a pfSense setup that works amazingly well for everything it's currently doing. However, now, I have need to set ...
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2answers
625 views

Split horizon, route filtering, and having RIPv2 announce a non-attached route to host

Routers A, B & C live at 10.1.1.1, 10.1.1.2 and 10.1.1.3 on a /24 metro Ethernet subnet. Each router also has its own private subnet on another interface. Router B's private subnet links thru a ...
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2answers
2k views

How to configure 2 LAN Cards

How do we configure two (2) LAN cards on one computer. One LAN card is connected to the internet via the DSL through a router, configured as DHCP. The other LAN card is to be connected via our ...
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2answers
201 views

“Symbolic link” for NICs under Linux?

Currently on my Linux server I've enabled bridging so that I can use OpenVPN in bridged mode. Works great. eth0 is connected to the LAN; tun0 is the OpenVPN gateway; these are bridged to a new ...
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2answers
90 views

multi-source monitoring companies

I've mentioned before on here that I'm using Pingdom, and am quite happy with it. For the price it's awesome. One of the features that took us to them is that they have monitoring sites all over the ...
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2answers
1k views

Top of Rack Switching, No Single Point of Failure

Assume that you have 1 rack in a reliable colo facility. The colo (obviously) has advanced chassis switches and can provide any reasonable manner of drops specified (but a limited number of drops). ...
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2answers
235 views

Set static route on 56k Modem in Windows

I'm currently trying to route a 56k connection, which is connected to a PSTN off a microwave transmitter, through a laptop to some ethernet enabled equipment. Essentially I'm using a laptop as a ...
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1answer
6k views

Ubuntu Karmic: purpose of route table entry for 'link-local'?

I'm wondering what is the purpose of a routing table entry named 'link-local'. root# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface ...
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1answer
7k views

Using DD-WRT to connect to VPN and Forward all traffic of certain devices through VPN

I have been able to setup my dd-wrt router to connect to an openvpn server and route all traffic through the vpn to the internet. This makes it so all traffic comming in from the LAN to the ...
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5answers
2k views

Link aggregation with DSL and Ethernet, and different ISP's?

We're a webdev company that has outgrown its ADSL bandwidth. It's currently 4/1 Mbit/s and due to distance we can't simply get faster DSL, whether ADSL or SDSL. Stacking multiple DSL connections is ...
2
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3answers
244 views

Strange requests coming from Korean Site

Lately I've been finding a lot of strange requests like this coming to my rails app: Processing ApplicationController#index (for 189.30.242.61 at 2009-12-14 07:38:24) [GET] Parameters: ...
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2answers
911 views

Public IP Routing over Private GRE tunnel

I have a GRE tunnel configured between two linux boxes. The tunnel works fine. I can ping from each host the other private ip. Head privateip: 10.0.0.1 publicip: 8.8.8.8 Tail privateip: 10.0.0.2 ...
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2answers
1k views

Make an arbitrary Linux application use a specific IP address for outbound connections

Having multiple IP addresses, is it possible to make an arbitrary network application use only specific IP address when establishing connections to the outside world? System-wide, routes can be used. ...
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3answers
3k views

Border firewalls and routing — static vs dynamic routing

Let's say you've got an enterprise with a small internet presence in the form of a DNS server, a web server, and a VPN server, all on the DMZ (in this case, an invisible pair of switches connected ...
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4answers
1k views

Two Routers, Two Internet (1 Open, 1 PPTP) - Routing?

I'm trying to setup two routers - one to route specific sites to a always-on PPTP VPN connection, the other for open internet access w/ firewall. First router is connected to Internet w/ built-in ...
0
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2answers
905 views

carp versus proxy arp

Currently I have a redundant pfSense firewall system set up for our corporate server farm. The main router IPs are sharing an IP address through Carp. Our two public /27 networks are assigned as ...
11
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5answers
65k views

How to route different traffic thru different network interfaces (in Windows)

I've searched for details on how to do this but I've been unsuccessful - I wondered if someone could offer up some advice. So, let's say I have 2 network cards (LAN and 3G in my instance), both ...
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1answer
4k views

Linux source address selection / binding on virtual interfaces

I have multiple virtual eth interfaces, some of which have the same gateway as the default gateway. When I bind to the address of a virtual eth interface that doesn't have the same default gateway ...
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2answers
815 views

Route local machine traffic to gateway

I have two applications a client and a server running on my local machine and want to monitor their network traffic through NetMon. One solution is to route the local traffic through the default ...
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2answers
2k views

OpenVPN: client pushing route to server?

I have a situation like this: Server with 2 IP addresses: SIP1 and SIP2 Client with 2 IP addresses: CIP1 and CIP2 On SIP2 I have started OpenVPN server, and I connect to it from Client, using ...
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3answers
832 views

Use a random IP from a pool of static IPs for outgoing traffic

I have got multiple Windows VBoxes running on a linux machine. The linux machine has got 20 static real IP addresses set, all on eth0. The VBoxes are configured to use NAT, which uses the default ...
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3answers
605 views

exchange 2007: reroute email for an internal user

Is there a way to have exchange catch all email from a certain internal user and redirect it to another internal mailbox, no matter who it is addressed to, internal or external? Basically, we have an ...
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3answers
2k views

VMware Server Host-Only Network Routing

I have a windows 2008 web server machine running VMware server. I have 3 VM's - All 3 are test servers so security isn't really a concern... each of them running windows 2008 standard and some of them ...
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3answers
3k views

Forwarding protocol 41 (6to4) to a Linux box?

I have a Linux router without an ipv6 stack and a Linux host inside the NAT. How do I use iptables to forward 6to4 traffic back and forth between the NAT router and the host and then configure the ...
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2answers
553 views

Disable routing between ports in ADSL router

Does anyone know an ADSL router that allows to disable routing between switch ports? For example: - part of network connected to port 1 on router can access the Internet but cannot see the part of ...
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2answers
1k views

How do I find a poorly configured router or diagnose intermittent request timeouts?

I am an analyst programmer at my organisation and am finding some sort of intermitent time-out issue when using CVS and HTTP requests within our network. After the time-out the request does complete ...
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3answers
329 views

Site specific URL DNS Issue

I have a large number of worldwide sites that need to access a service via a URL. The site URL cannot be altered as it is set centrally. The service is hosted locally at each site, as connectivity ...
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2answers
2k views

One linux server, one network, two gateway - can server handle connections coming from both gateways?

We have OpenSUSE server with a service running on it. We have two gateways on the network. One of these gateways is set as a default gateway for the server. In this case server can accept connections ...
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1answer
533 views

DMZ - LAN and Webserver

i know that DMZ should contain servers that acts as a middle point between the trusted area like LAN and the other semi or non trusted area like internet or another DMZ. based on this declaration our ...
2
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1answer
15k views

Sonicwall route traffic through specific interface based on destination

Here's my setup. I have Sonicwall NSA 2400, it is configured with Percentage-Based WAN Load Balancing. LAN Interface: X0 PRI Interface: X1 T1 Interface: X2 My question is, given any LAN->WAN ...
0
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2answers
243 views

Software Port Forwarding on Windows?

I have a Windows machine serving a couple web apps through Apache. I am looking for a software solution that will allow me to continue accepting requests on this computer (Windows XP) but forward the ...
3
votes
2answers
356 views

IP Forwarding and traffic shaping

Is there any way to forward packets from network A to network B (just like a router) without changing source IP Address (and vice versa, from network B to network A) and also enforcing traffic shaping ...
0
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3answers
62 views

Do services exist to offer relaying to and from long-term fixed IPs?

I have a number of Linux servers (dedicated and VPS) with their own fixed IP addresses. I would like to be able to acquire a set of long-lived IP addresses that could then be assigned to the servers ...
2
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7answers
1k views

Networking issues with Linux server (CentOS 5.3)

I have a Linux server hosting our bug tracking software (CentOS 5.2 Kernel 2.6.18-128.4.1.el5) that I have having some strange network problems with. The machine is configured with two NICS, one for ...
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2answers
632 views

Configure Windows Routes for VPN

I have a Virtual PC/VMWare machine that runs Windows Server 2003. This virtual machine uses an IPSec VPN client program to connect to a remote network. I configured the virtual machine to have 2 NICs: ...
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3answers
990 views

looking for wifi router with restricted access to LAN

I need to set up a separate Wifi network for guests, and am looking for a decent router which can be part of the LAN but restrict access so that it can only route to the gateway/WLAN. Are there any ...
5
votes
8answers
1k views

Help putting together a server for Routing/Firewall/VPN purposes

we're currently in the process of putting together our own server Firewall/Router. We were going to use a dedicated solution from someone like Juniper or Watchguard, but it is going to be a lot more ...
0
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1answer
347 views

How do I route traffic to website using a spcified network connection on Windows

I want to route all traffic to a website over my wireless connection while the rest of the traffic using my lan. What I tried was first finding out the IP address of the website I want to go to. For ...
0
votes
2answers
69 views

Routing requests through a particular machine

I have 3 normal desktop machine A,B and C which are part of same network. I have an apache web server on C. I want to have a scenario to test where i would like to route requests from A to C always ...
0
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1answer
813 views

Setting up an Access Point with a WiMax USB Stick

I'm giving WiMax a try (Clear Wireless in Portland, if that matters). I opted for the USB stick because I'd like to be able to use it on the go. However, when I'm in my apartment I'd prefer to ...
0
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1answer
151 views

Sub-net Routing

Applications hosted on servers located in the same subnet cannot reference domain names (VIP) hosted on the load balancer for the subnet. Assumption: server A and server B are hosted in the same ...
1
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1answer
187 views

Netstat flags on OS/2

On an OS/2 box, what do the flags UGDP mean in the output of netstat -r. Google seems to point to them meaning Up, Gateway (i.e. an indirect root), and Dynamic (learned from a redirect), but that ...
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1answer
2k views

Linksys WRT160NL & ADSL modem/router - WAN port

I have a router/modem at ip 192.168.1.254. I also have a linksys router connected to the modem through the LAN port. So right now I have this: 192.168.1.254 <----> 192.168.1.1 <----> PCs ...
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2answers
1k views

Baystack 5510 Ethernet Routing Switch routing question

I'm trying to create a static route on a Baystack 5510 Ethernet Routing Switch with the following: ip route 192.168.104.220 255.255.255.255 192.168.100.253 en I'm getting the following error: ...
19
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2answers
31k views

How to reload default Mac OSX routing table without rebooting

Greetings, I'm using vpnc for a VPN client. I'm also doing some tricky things with route to make sure I can still access my local network, etc. etc. (the particulars here are not very important). ...