We have never seen the postoffice bad checksum error message. This means that the incoming message passed the UDP checksum but failed the postoffice checksum. Your NIC may be bad. Here a few questions:
- is there anything in your iprb config file (/kernel/drv/iprb.conf) ?
- when you switch the interfaces does packetd generate alarms (if NIC is bad then packetd should be getting bad packets after you switch interfaces)?
is there a lot of multicast traffic on your lan that you are sniffing? there is an issue (not resolved yet) where the iprb0 interface cannot correctly identify certain multicast traffic. The workaround is to swap the interfaces which you have already done. CSCdv47513
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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...