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Monitoring Multiple Subnets
From: Shaun Marlin <shaun.marlin () canalta com>
Date: Mon, 13 May 2013 15:03:56 +0000

I am building a SNORT box to monitor my network.  I have 2 ISP's.  Is it possible to have the 2 ISP's connect into an 
unmanaged switch, then have SNORT configured with an IP from each block that I have, and finally pass the traffic back 
onto the switch that goes into my network?

Sorry for the run on question there

Essentially I am looking for something like this


[cid:image001.png@01CE4FB8.CC852E20]ISP 1
                                               Router 1                                                                 
                                                                                                      Internal Network



[cid:image011.png@01CE4FB8.CC852E20]ISP 2                                                                               
                                                              Router 2


                                Unmanaged Switch

SNORT would endup monitoring 3 different subnets.  For instance and

Does anyone see a reason why this would not work

Shaun Marlin
Network Administrator

Canalta Family of Companies

2109 - 545 Highway 10 East
Drumheller AB Canada T0J 0Y0
PHONE: (403) 820-3865
CELL:     (403) 334-1313

EMAIL:   shaun.marlin () canalta com
WEB:      www.canalta.com

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