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

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Multiple interface NAT routing

I have multiple internet connections from different ISPs and I need to route certain traffic over a particular ISP link. I am using Debian for this. The setup is as follows; eth0 (IP address is ...
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278 views

Help me a routing server on Windows XP

I am developing client/server applications and need to test them on Internet environment. However, I only have one PC without connecting the public internet, so I have a plan to simulate a virtual ...
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2answers
2k views

Two DHCP servers on the same network

We are setting up a routing link between the Windows Server 2008 networks of two different buildings in my organisation. Each network uses a different IP addressing scheme (one uses public addresses, ...
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2answers
1k views

Dual Exchange 2010 on different VM + single public IP + multiple domains

Here is the scenario: I have 2 Exchange Server 2010 on 2 different Virtual Machines, created by and based on Hyper-V. They have IP and domain: 192.168.5.11, domainA.com ; and 192.168.5.12, domainB.com ...
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1answer
585 views

Configure routes in OpenVPN

I am trying to figure out how to setup routing on OpenVPN. I have successful connection between client (OS X Snow Leopard) and server (OS X Leopard Server), and each can ping the other. However, I am ...
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1answer
2k views

Configure routes in OpenVPN [duplicate]

Possible Duplicate: Configure routes in OpenVPN I am trying to figure out how to setup routing on OpenVPN. I have successful connection between client (OS X Snow Leopard) and server (OS X ...
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2answers
4k views

Openvpn for client/server in same subnet

I'm trying to openvpn into an office network (192.168.1.0/24) from a client sitting on a network with the same subnet (also 192.168.1.0/24). It is a linux (ubuntu 9.10) server and windows client. I ...
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4answers
15k views

Best practice for assigning private IP ranges?

Is it common practice to use certain private IP address ranges for certain purposes? I'm starting to look into setting up virtualization systems and storage servers. Each system has two NICs, one ...
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2answers
757 views

QoS / PBR Routing Questions

I have a 50Mbs Satellite link and a 10Mbs Microwave link supplying a very remote location. Behind these links, I have a 6,400 seat network - with about 3,000 signed in at any one time. My goal is to ...
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159 views

Socket application failed in NAT

We have a socket application (client and server) which runs in our environment. In our client site they're using NAT. When I try to connect my client (from a NATed IP in client's NATed environment) ...
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1answer
4k views

Route additional network through Sonicwall site-to-site VPN

I have a sonicwall site to site vpn. At one of the sites there is another Cisco vpn to another site. I need to route the traffic for the cisco vpn through the site to site from the other sonicwall ...
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4answers
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Windows static routes w/o specifying gateway (next hop)

I have the following scenario: Computer A: 198.51.100.8, netmask 255.255.255.0 Computer B: 203.0.113.9, netmask 255.255.255.0 Both computers are on the same LAN segment; no default gateway is ...
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4answers
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Dynamic subdomain routing

I asked this question over at stackoverflow, but got very few views: http://stackoverflow.com/questions/2284917/route-web-requests-to-different-servers-based-on-subdomain Perhaps it's more applicable ...
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3answers
879 views

How do I connect to two distinct networks without one being crippled?

I have an environment where my work computer needs to be connected to two separate networks. My "lab" connection is via my ethernet NIC and I use wireless to connect to the outside world. (I have a ...
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3answers
3k views

how do i change outgoing ip address for server centos

I need to make sure my clients outgoing ip address uses the dedicated ip they are assigned. For example, site123.com has an ip of 123.123.123.2(eth0:1) (resolves fine when incoming) but it is using ...
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4answers
536 views

Dedicated T1 for server and Cable/DSL for LAN

I am going to be setting up Windows Server 2008 for a small business (15-20 users). I will be getting a dedicated T1 for the server, being that it will be hosting email through exchange server. Being ...
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3answers
405 views

What router/firewall configuration and hardware do I need for the following scenario?

We just had a new internet connection (WiMAX type of thing) installed in one of our remote offices. The customer premises presentation is just an ethernet cable and basically the whole internet is ...
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2answers
188 views

Maximum number of routes in RIPv2

What is the limitations of route count in RIPv2? Is there a standard limitation of the protocol or does it vary by router models, configurations, etc...
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3answers
393 views

Port forwarding over the Internet

I hope I'm on the right website as it is my first question here!! So here is my situation I have a small server hosted at home behind a DSL line for which I have a static IP. Now I would like to have ...
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1answer
96 views

New router messed up server 2003 setup

Hey, We were sent a new 2wire router today configured it as best we can to match the old bt voyager. We've also got X static IP's. We've manage to get our webserver on one of the new IP's public ...
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1answer
2k views

Difference between Bridging, Switching, Forwarding a frame? [closed]

What is the Difference between Bridging, Switching, Forwarding a frame? What is the difference between Control Plane Vs Forwarding Plane and Slow path Vs Fast Path? How are the above terms related to ...
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1answer
923 views

Route traffic on vpn to another interface on an ASA 5510

I have a ASA 5510 that has about 60-70 vpn tunnels. I have four interfaces on the device: 1)External, 2)192.168.1.0, 3)192.168.2.0, 4) 192.168.3.0 A VPN tunnel is configured from the remote site ...
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2answers
4k views

Why can't my local network access the internet site hosted by a server on that network?

A server on my local network is running Apache2 that hosts a site accessible from the Internet. I can access that site from outside the network just fine, but not from inside it. That is, I can't ...
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2answers
1k views

BGP Multihomed/Multi-location best practice

We're in the process of designing a new iteration of our network where we improve resilliency by adding a second datacentre. We'll be adding a second datacentre, with an identical configuration of ...
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2answers
926 views

How to keep general internet traffic off Windows 2008 R2 VPN and only handle VPN traffic?

I just set up a Windows Server 2008 R2 VPN that uses SSTP, and everything works wonderfully. Connection is fast, and setup is EXTREMELY simple for domain users with Vista and Windows 7. The only ...
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1answer
4k views

How do I debug routing problems from a virtual tun0 device?

I have a program (written by me) that creates a tun0 device and sets up a route so that packets destined for the 172.16.1.0/24 subnet can be read from this device. I'm trying to go in the other ...
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1answer
1k views

How do you route traffic thru eth0 and eth1 in FC5?

I have a site that uses eth0, which is a saturated gbit line, to deliver streaming media. I want to setup a separate "premium" line on eth1, to give special users "priority access" to the site. I have ...
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1answer
435 views

Client access cross location through VPN tunnel

So here is what I would like to do, but I feel like I'm missing something 2 Locations (A,B) connected via VPN Tunnel Outside clients should not know that location B exists but just connect to all ...
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3answers
1k views

Policy Routing with Openvpn?

Dear Everyone I am currently using openvpn for normal browsing. However, I have the following services running: a bit torrent client, a web server, IRC and a git server which I would really want it to ...
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2answers
274 views

Question about trace route

I live in a small town in rural Nebraska. When I do a tracert from my home to the small college where I work it hops to Dallas, then Denver, and then Chicago before coming back here. That seems very ...
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3answers
17k views

Tuning Linux IP routing parameters — secret_interval and tcp_mem

We had a little failover problem with one of our HAProxy VMs today. When we dug into it, we found this: Jan 26 07:41:45 haproxy2 kernel: [226818.070059] __ratelimit: 10 callbacks suppressed Jan 26 ...
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2answers
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iptables for transparent NAT

I'm trying to transparently route traffic of one Xen VM through another, like so: ------- 192.168.250.4 192.168.250.3 --------- | VM1 | ...
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Source-based routing on Cisco 3750 switch?

I have this Cisco 3750 switch which handles many VLANs. It has an IP interface on some of them, and it does routing for those computers connected to those VLANs which use the switch's IP addresses as ...
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2answers
3k views

Routing based on source address in Windows Server 2008 R2

I'm implementing a direct routing load balanced solution using Windows Server 2008 R2 as back-end server. I've configured a loopback interface with the external IP address. This works, I am receiving ...
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1answer
173 views

really dumb routing, ipsec, rdp question

We have persistent IPSec tunnels on my firewall to two remote offices. When users from those offices visit, what exactly would I need in order to get their RDP shortcuts to resolve over the tunnels? ...
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1answer
75 views

Server routing issue

Whenever I do tracert from my Windows XP PC I always get "request timed out" for this particular destination server. But others are working fine. Only our server which is located in Dubai that is not ...
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1answer
547 views

openvpn dual install (client and server) routing problem

I have the following install: PROD net (10.88.88.0/24) OFFICE net (192.168.2.0/24) on PROD I have openvpn server (vpnprod), so OFFICE can connect. on OFFICE I have openvpn machine (vpnoffice) ...
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1answer
334 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 ...
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1answer
653 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
628 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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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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236 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 ...