Z-Wave the public standard

Can discover the z/ipgateway node ,but can't connect it


When tested with pyzip,

1.Discovered the z/ip gateway with ipv4 address by selecting rediscover button
2.When entered connect button,Can’t list the node on left side of the pyzip application.
These are the log messages seen on the z/ip gateway,when selected connect button on pyzip client,

12442347 New server session allocated
12442348 DTLS: DTLS read failed
lipaddr: fd00:aaaa::0002 lport: 41230
ripaddr: ::ffff:c0a8:02b6 rport: 53670
12442349 PSK callback identity:Client_identity PSK len 5