Security Parameters Index: Difference between revisions

Revision as of 07:08, 15 June 2014

Revision as of 08:07, 28 February 2015

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The '''Security Parameter Index''' (SPI) is an identification tag added to the header while using [[IPsec]] for tunneling the IP traffic. This tag helps the kernel discern between two traffic streams where different encryption rules and algorithms may be in use.