Motorola PTP 300 series User Manual page 185

FAQs
like a virtual wired connection between the two places. The 300 Series bridge forwards 802.3
Ethernet packets destined for the other part of the network and filters packets it does not need
to forward. The system is transparent to higher-level management systems such as VLANs and
Spanning Tree.
How does the 300 Series bridge provide security for data traffic? The 300 Series bridge
has a range of security features. At installation time each link must be programmed with the serial
ID of its partner. The two ends of the link will only communicate with one another, eliminating
any chance of "man in the middle" attacks. Over the air security is achieved through AES, a
proprietary scrambling mechanism that cannot be disabled, spoofed or snooped by commercial
tools.
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