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LAN VS WAN on same Switch

Posted on 2009-04-09
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Last Modified: 2012-06-27
I have a new situation where the phone guys need to start using the LAN wiring to support their phone system and VOIP.
We have a dual nic SBS2003R2 STD.  Lan is 192.168.16.xxx and WAN is 10.0.0.xxx.

Question is does firewall security get defeated is both ip segments are running around on the same switch.

Thanks
Bruce
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Question by:BBrayton
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4 Comments
 
LVL 28

Expert Comment

by:asavener
ID: 24108914
Depends on how you have the switch configured.

Typically, voice traffic is segmented onto a separate VLAN.
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Author Comment

by:BBrayton
ID: 24109637
These are SMB type switches.  16 port non management 10/100/1000 Linksys.

My concern is having the non firewalled 10.x leg intermixed with the 192. leg.

Should I be concerned?
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LVL 28

Accepted Solution

by:
asavener earned 500 total points
ID: 24110042
Well, I would not choose to run it that way.
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Author Comment

by:BBrayton
ID: 24125756
a bit vague.  

The real issue is would it open the network up to outside attack as the 10. leg is internet facing and the 192. leg is internal behind the firewall.

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