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Virtual Router

Roger Fed
Ranch Hand

Joined: Oct 17, 2010
Posts: 82

Hello,
During my search about Graduation Project Ideas I found an idea about Virtual Router
I know that there exist a virtual router in windows7 and it works well but when searching about virtual router
in Linux i found the following:
"In Linux there is a Kernel level router but on configuring in kernel level will cause some curious problems so we can do software router in user level"

I've no experience in Linux so, i want to understand the nature of these problems???
and what is the different between kernel level and user level ???
and is it a beneficial idea to develop a virtual router working in Linux in a user level??


I Hear I Forget, I See I Remember, I Do I Understand.
Ernest Friedman-Hill
author and iconoclast
Marshal

Joined: Jul 08, 2003
Posts: 24184
    
  34

It would help if you told us where that quote came from. Already, the grammar doesn't fill me with confidence.


[Jess in Action][AskingGoodQuestions]
Tim Holloway
Saloon Keeper

Joined: Jun 25, 2001
Posts: 16065
    
  21

Ernest Friedman-Hill wrote:It would help if you told us where that quote came from. Already, the grammar doesn't fill me with confidence.


As does the fact that I've been using kernel-level routing (via IP forward) on my production servers since about 1996 with no problems. Not to mention the IPtables-based routing that my VMs have been using for around 3 years or so.


Customer surveys are for companies who didn't pay proper attention to begin with.
Ernest Friedman-Hill
author and iconoclast
Marshal

Joined: Jul 08, 2003
Posts: 24184
    
  34

Tim Holloway wrote:
As does the fact that I've been using kernel-level routing (via IP forward) on my production servers since about 1996 with no problems. Not to mention the IPtables-based routing that my VMs have been using for around 3 years or so.


Yeah, I have two servers in production that use iptables to run Tomcat on port 80 as non-root; they're been running forever.
 
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subject: Virtual Router