Hi I ask question about net-snmp.
How can I send response in the same port not random port ? (in Version 1 or Version 2) 11:20:20.629170 IP 10.56.230.xx.57994 > 10.56.230.xx.8060: UDP, length 45 11:20:20.630846 IP 10.56.230.xx.60737 > 10.56.230.xx.57994: UDP, length 47 11:20:30.356526 IP 10.56.230.xx.55253 > 10.56.230.xx.8060: UDP, length 45 11:20:30.358235 IP 10.56.230.xx.48567 > 10.56.230.xx.55253: UDP, length 47 I make some codes, but unfortunately it doesn’t work fine struct snmp_session session; //initialize session snmp_sess_init(&session); //set session parameters session.version = ver; session.flags = 0; session.isAuthoritative = SNMP_SESS_AUTHORITATIVE; session.remote_port=address._port; session.local_port=0; //set to 0 for traps-------------- string tmp=address.get_printable(); tmp+=":"; tmp+=ltoa(address._port); session.peername=(char* )tmp.c_str(); session.callback=0; void * tmpsession=snmp_sess_open(&session); I know if local_port =0, there is random port. if I set other value like 8061, snmp_sess_open will return NULL and return error information -3(SNMPERR_BAD_ADDRESS) Could you give some idea about this? Thanks
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