I have an FWSM pair (stateful failover configured as active/standby) running 3.1(4) and need to upgrade to 3.2(13). As always, the powers that be want no down time if possible but I am not sure that the modules can continue to talk failover if the major.minor numbers are different.
Is it possible to upgrade the standby side to 3.2(13), then failover to this module then do the other side or will the code level differences break the failover comms and cause an active/active situation?
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...