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Router or Firewall Suggestions for Multiple Public IP's

Posted on 2006-06-16
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Last Modified: 2013-11-29
Hello Experts,
I tried to search for this info, but didn't come up with much... so I guess this might be a simple question for the network experts (I just hope that I am not posting something redundant).

Basically, I have done many installs using 1 public IP and route to an internet LAN using ports (NAT). However, I now have a situation where I need to use multiple public IP's (2-5) then route to different machines. A quick example would be to route port 80 on 2 different public IP's to 2 different internal machines.

I really don't know which router or firewall would do this. I am pretty sure that all the consumer level ones (like linksys or d-link) would only use 1 public IP.

1) could someone suggest model ranges that would do this? I am not looking to filter or block web contents, just for basic routing and translations, but using multple public static IP's. So I am hoping for models that are affordable and easy to manage.

2) this is just a bonus question.... more specifically, could a SonicWall Pro230 do this?
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Question by:rliu1112
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7 Comments
 
LVL 12

Expert Comment

by:Scotty_cisco
ID: 16922771
Anything you use if you have an ISP that is routing traffic or a block of IP addresses to you the device in from will have to answer for the publics do the translation for the backend units.

Any cisco router will do this and any decent firewall will do it as well.  I would use a firewall because of control. A cisco 506E is a perfect fit for small to medium sized implimentations with no redundancy requirements.

Thanks
Scott
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LVL 12

Expert Comment

by:Scotty_cisco
ID: 16922786
And yest the sonicwall pro will do this if you already have it... but may be a bit of over kill especially if you already need or have a router and security is not a huge concern.

Thanks
Scott
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LVL 4

Author Comment

by:rliu1112
ID: 16922835
thanks scott... so I guess any of the cisco pix appliances would work? (506 or 501 or whatever...)?

any suggestion for something for the sonicwall lineup?
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LVL 12

Expert Comment

by:Scotty_cisco
ID: 16922849
yeah the pix 501 506 whatever any of the sonic wall look like they should handle it but I would check with the VAR as I am not as familure with them as the Cisco's

Thanks
scott
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LVL 4

Author Comment

by:rliu1112
ID: 16922915
hmmmm....
scott's quote "if you already need or have a router...":
security is not a concern, but I don't have a router already... just one of those SDSL modems from Covad (netopia)... so will the PIX do by itself or would I need to get a router as well or something with both combined?

example: which one is correct? (sorry if these sounds dumb...)
DSL Modem --> PIX ---> LAN switches
or
DSL Modem -->PIX ---> Router ---> LAN switches

thanks again
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LVL 12

Accepted Solution

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Scotty_cisco earned 500 total points
ID: 16922932
the PIX will do everything you plug the SDLS modem into the interface e0 I think and then the protected lan into e1 and set it up your ready to go...  It will do the nat and everything else required.

Thanks
Scott
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Author Comment

by:rliu1112
ID: 16923271
thanks scott
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