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IP multicast differs from IP Unicast in its security implications. The method by which data transfer is initiated and received is unique to IP Multicast. Cisco IOS Software solutions that enable users to control the data and control planes. Both Cisco IOS Firewall and PIX Firewall 7.0 can operate with full PIM functionality.

Technical Support and Documentation

Review additional information about Multicast Security in the Technical Support site area.
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Product Literature

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