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SPD and SAD

In IPSEC there is concept called SPD(security policy database) and SAD(SA database). What is the difference between them? what command can I use to see the output for them? Thanks

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Anonymous
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Re: SPD and SAD

SPD contains entries, each of which defines a subset of IP traffic and points to an SA for that traffic. In more complex environments, there may be multiple entries that potentially relate to a single SA or multiple SAs associated with a single SPD entry.

For more information on the topic kindly follow the url,

http://www.cisco.com/web/about/ac123/ac147/ac174/ac197/about_cisco_ipj_archive_article09186a00800c830b.html

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