SPI
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... ESP) and then matches the packet against
the Security Parameter Index (SPI) and the inbound selectors
associated with the SA to verify that the packet is appropriate for
...
... IPsec transform (e.g.,
ESP) and then matches the packet against the SPI and the inbound
selectors associated with the SA to verify that the packet is
...
... IPsec cannot detect this
in tunnel mode; the packets will be demultiplexed based on the SPI
and possibly the IPv6 address bound to the SA ...