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

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2answers
489 views

Dynamips and Tap Devices, To and From the same machine

I am setting up a dynamips/dynagen lab and am wondering if there is any way to get traffic to route out one tap devices, go into the lab, and come back to a tap device on the same machine. I have ...
7
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5answers
33k views

Ping “replies” from same computer with 'Destination host unreachable' (no route to other computer)

I've got two computers in a LAN behind a wireless router. One has XP with ip 192.168.1.2 This one has W7 with ip 192.168.1.7 If I try to ping the other one from this computer, I get this: ...
1
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2answers
173 views

Using IP Tables to deny packet patterns?

I'm not experienced with IP tables but it's something I'll be looking into if this is plausible. I'm looking to set up a system to inspect packets and look for a pattern similar to korek's chop chop ...
2
votes
2answers
1k views

How to build an outbound load balancer with linux?

We have 2 flatrates in the house and have double bandwith theoretically. There is a local network in the house that connects everything. But when I am alone I wonder how I can use both connections at ...
0
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2answers
344 views

Question about network topology and routing performance

I am currently working on a uni project about routing protocols and network performance, one of the criteria i was going to test under was to see what effect lan topology has, ie workstations arranged ...
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2answers
1k views

routing specific IP to ppp0 tunnel

I feel I've struggled with this long enough and need some help. I have a pptp tunnel and am trying to route destination traffic from 208.85.40.20 to the pptp tunnel (ppp0). (Keen observers may ...
2
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0answers
1k views

Routing only some local IPs through VPN on dd-wrt

Much similar to this entry: http://serverfault.com/questions/94283/using-dd-wrt-to-connect-to-vpn-and-forward-all-traffic-of-certain-devices-through , I have set up my router with dd-wrt + OpenVPN to ...
2
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3answers
3k views

Routing application traffic through specific interface

First question here, so please go easy: I have a debian linux 5.0 server with two public interfaces. I would like to route outbound traffic from one instance of an application via one interface and ...
2
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4answers
452 views

Weird routing issue

I'm having some weird internet problems on campus. I know it's something simple, but it's a case where I need another set of eyes. I think I can explain the problem best by posting a tracert: ...
0
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2answers
182 views

Two VPN (internet) connections rounting (win2003)

Here is my setup: - win2003 server (ISA installed) with 3 NICs:   1) internal network   2) ISP 1 (default) network (DHCP enabled)   3) ISP 2 (backup) network (DHCP ...
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1answer
985 views

IPSEC tunnel Fortinet Transparent Mode to inside Fortinet firewall in NAT Mode does not respond to incomming traffic

I have 2 fortinet firewalls (fully patched); fw1 is providing an IPSEC tunnel in transparent mode. beneath this firewall is a fw2, a NAT firewall with a VIP address that has been confirmed to work. ...
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2answers
535 views

How to change dst ip after routing

How to change destination IP address after routing decision was made, i.e. in POSTROUTING chain of iptables?
4
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1answer
175 views

Calculating and billing IP multicast usage on the Internet

I've been searching for the reasons why IP multicast isn't widely supported on the Public Internet, and a commonly-cited reason is the difficulty ISPs have in tracking Multicast usage for later ...
3
votes
5answers
1k views

Do I need a VPN to secure communication over a T1 line?

I have a dedicated T1 line that runs between my office and my data center. Both ends have public IP addresses. On both ends, we have AdTran T1 routers which connect to SonicWall firewalls. The ...
2
votes
1answer
5k views

How to set the preferred network interface in linux

I have my network set up like this. http://docs.google.com/Doc?docid=0AZ1YxuLE4djaZGhqN2s1NmRfMjhjNjc0Ym1meg&hl=en In words: I have a machine (Calcium, running Arch Linux) that has two network ...
1
vote
2answers
119 views

one of my web hostings is down - only for me - why?

My first post here, I am reading / learning a lot, thanks ;). I've got a mysterious issue (for me) and would really appreciate to get it solved. I've rent a reseller package with bibihost.com and ...
1
vote
1answer
232 views

Setup VPN access on a windows dedicated server for browsing

I have a dedicated windows server. I want to create a VPN to encrypt my traffic (browsing, IM, etc) as I browse on my laptop using public wifi networks. What keywords should I be using to search ...
0
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2answers
458 views

Correct way to set up office network - 8 workstations, a file server and a staging server

Our office had this old school windows 2003 domain setup, our server caught fire, and now we are looking to do it right from scratch. Here is what we need: 5 PC and 3 Mac workstations for web ...
1
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5answers
738 views

Can't connect to server from certain machines

On a small college campus we have a VLAN setup for the computer labs. These machines get assigned IP addresses in the 192.168.7.xxx range. In the server room, all of the server are on the default ...
0
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3answers
1k views

Cannot ping host stale ARP cache?

I am having a strange issue with a Debian (Lenny/Linux 2.6.26-2-amd64) that has been driving me nuts. On some machines within my network I can ping the host in question just fine, other times I have ...
0
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2answers
892 views

Cisco ASA: Routing packets based on where the connections started from

We have a Cisco ASA 5505 (version 8.2(2)) with three interfaces: outside: IP address 11.11.11.11, this is the default route inside: IP address 10.1.1.1, this is the local subnet newlink: 22.22.22.22, ...
0
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1answer
1k views

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 ...
0
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3answers
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 ...
3
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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 ...
0
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1answer
594 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 ...
0
votes
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 ...
7
votes
2answers
3k 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 ...
5
votes
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 ...
1
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2answers
760 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 ...
1
vote
1answer
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) ...
1
vote
1answer
3k 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 ...
8
votes
4answers
19k views

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 ...
4
votes
4answers
1k views

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 ...
0
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3answers
886 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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
3answers
410 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 ...
0
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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...
2
votes
3answers
394 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 ...
0
votes
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 ...
0
votes
1answer
1k 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 ...
1
vote
1answer
924 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 ...
2
votes
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 ...
2
votes
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 ...
1
vote
2answers
930 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 ...
1
vote
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 ...
1
vote
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 ...
0
votes
1answer
437 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 ...
0
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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 ...