[strongSwan] Replay window upper limit

Kapil Adhikesavalu kapil20084 at gmail.com
Mon Aug 29 18:58:23 CEST 2016


What is the upper limit on replay window size ? i didn't find any
documentation on upper limit. is it dependent on Hardware, if so how to
find the limit

After a certain limit, i am having some problem with IPsec connection.

*replay_window = -1 | <number>*

The IPsec replay window size for this connection. With the default of -1
the value configured with*charon.replay_window* in
<https://wiki.strongswan.org/projects/strongswan/wiki/Strongswanconf> is
used. Larger values than 32 are supported using the Netlink backend only, a
value of 0 disables IPsec
replay protection
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