Test PA-200 parrallel to current firewall

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Test PA-200 parrallel to current firewall

L0 Member

I received a PA-200 device for review and testing. I like to set it up besides my current firewall and see what it can filter.

Via SPAN Monitor on a Cisco switch I copy all traffic on the UNTRUST side to the PA-200. Now I get a lot of tcp-reject-non-syn drops.

What is the correct way to configure the PA-200 to listen to all traffic on the UNTRUST line?

3 REPLIES 3

L7 Applicator

Normally you mirror the port from the "external" working interface to wherever the PAN is plugged into, and configure the PAN to be in a "TAP" interface mode.

Is the PAN in "TAP" mode for its interface?

Per the Admin guide, it states the following:

Tap Mode Deployments

A network tap is a device that provides a way to access data flowing across a computer network. Tap

mode deployment allows you to passively monitor traffic flows across a network by way of a switch

SPAN or mirror port.

The SPAN or mirror port permits the copying of traffic from other ports on the switch. By dedicating an

interface on the firewall as a tap mode interface and connecting it with a switch SPAN port, the switch

SPAN port provides the firewall with the mirrored traffic. This provides application visibility within the

network without being in the flow of network traffic.

Note: When deployed in tap mode, the firewall is not able to take action, such as

blocking traffic or applying QoS traffic control.

LIVEcommunity team member
Stay Secure,
Joe
Don't forget to Like items if a post is helpful to you!


Thanks jdelio.

That seems what I am looking for. The admin guide is not telling much, but using tap mode deployment I could find an how to on configuring this.

Cheers,
Menno.

Please mark this as "Correct" or "Helpful" as this will help everyone in the community. 😃 Glad I could help.

LIVEcommunity team member
Stay Secure,
Joe
Don't forget to Like items if a post is helpful to you!
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