> Am 26.06.2019 um 11:47 schrieb Andrey V. Elsukov <bu7c...@yandex.ru>:
> Check the output of the following commands on both translators:
> 
> # sysctl net.inet.ip.fw | grep nat64
> # ipfw nat64lsn all list
> # ipfw nat64lsn NAT64 stats

Working 11.2 system:

root@gate64:~ # sysctl net.inet.ip.fw | grep nat64
net.inet.ip.fw.nat64_allow_private: 0
net.inet.ip.fw.nat64_debug: 0
root@gate64:~ # ipfw nat64lsn all list
nat64lsn NAT64 prefix4 217.29.40.140/32  log
root@gate64:~ # ipfw nat64lsn NAT64 stats
nat64lsn NAT64
        5311 packets translated from IPv6 to IPv4
        6048 packets translated from IPv4 to IPv6
        0 IPv6 fragments created
        0 IPv4 fragments received
        0 output packets dropped due to no bufs, etc.
        0 output packets discarded due to no IPv4 route
        0 output packets discarded due to no IPv6 route
        7 packets discarded due to unsupported protocol
        0 packets discarded due to memory allocation problems
        0 packets discarded due to some errors
        76362 packets not matched with IPv4 prefix
        722 mbufs queued for post processing
        238514 times the job queue was processed
        951888 job requests queued
        0 job requests queue limit reached
        0 job requests failed due to memory allocation problems
        5 hosts allocated
        5 hosts requested
        0 host requests failed
        717 portgroups requested
        722 portgroups allocated
        1444 portgroups deleted
        0 portgroup requests failed
        0 portgroups allocated for TCP
        0 portgroups allocated for UDP
        0 portgroups allocated for ICMP
        780 states created
        780 states deleted

Defunct 11.3 system:

root@gate64:~ # sysctl net.inet.ip.fw | grep nat64
net.inet.ip.fw.nat64_direct_output: 1
net.inet.ip.fw.nat64_debug: 0
root@gate64:~ # ipfw nat64lsn all list
nat64lsn NAT64 prefix4 217.29.40.145/32  log
root@gate64:~ # ipfw nat64lsn NAT64 stats
nat64lsn NAT64
        357 packets translated from IPv6 to IPv4
        493 packets translated from IPv4 to IPv6
        0 IPv6 fragments created
        0 IPv4 fragments received
        0 output packets dropped due to no bufs, etc.
        0 output packets discarded due to no IPv4 route
        0 output packets discarded due to no IPv6 route
        0 packets discarded due to unsupported protocol
        0 packets discarded due to memory allocation problems
        0 packets discarded due to some errors
        3115 packets not matched with IPv4 prefix
        40 mbufs queued for post processing
        79 times the job queue was processed
        79 job requests queued
        0 job requests queue limit reached
        0 job requests failed due to memory allocation problems
        1 hosts allocated
        1 hosts requested
        0 host requests failed
        39 portgroups requested
        40 portgroups allocated
        78 portgroups deleted
        0 portgroup requests failed
        0 portgroups allocated for TCP
        0 portgroups allocated for UDP
        1 portgroups allocated for ICMP
        132 states created
        132 states deleted

tcpdump will take some more time, currently we do not have /dev/bpf in these 
jails.

Kind regards,
Patrick
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