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OpenVPN 2 Cookbook by Jan Just Keijser

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Checking broadcast and non-IP traffic

The main reason for a bridged setup is to create a single broadcast domain for all clients connected, both via the VPN and via a regular network connection.

Another reason is the ability to route or forward non-IP based traffic, such as the older Novell IPX and Appletalk protocols.

This recipe focuses on the use of tools such as tcpdump and wireshark to detect whether the broadcast domain is functioning and if non-IP traffic is flowing in the correct manner.

Getting ready

For this recipe, we use the setup from the recipe Bridging Linux of this chapter. We use the following network layout:

Getting ready

For this recipe, the server ...

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