OpenBSD + TCP-MIB::tcpCurrEstab.0

More OpenBSD breakage, this time in TCP-MIB.

# snmpget -v2c -c blah blah.com tcpCurrEstab.0
TCP-MIB::tcpCurrEstab.0 = Gauge32: 0

But in reality:

# netstat -ts|grep -u estab
         69 connections established (including accepts)

# netstat -tan|wc -l
       65

...It would seem that the MIB is getting the value from 
net-snmp-5.1.3/agent/mibgroup/mibII, even though the MIB is TCP-MIB:

     case TCPCURRESTAB:
         ret_value = tcpstat.tcpCurrEstab;
         type = ASN_GAUGE;
         break;

'tcpstat' is a data structure defined in /usr/src/sys/netinet/tcp_var.h

But apparently tcpCurrEstab is not a member so I'm a little lost how this 
is working >:}

OpenBSD netstat(1) is using tcpstat data structure to get the 
appropriate value:

in net.c from src/usr.sbin/netstat

 	p(tcps_connects, "\t%u connection%s established (including 
accepts)\n");

'tcps_connects' is a structure from tcpstsat in tcp_var.h

/usr/src/sys/netinet/tcp_var.h: u_int32_t tcps_connects;        /* 
connections established */

l8*
 	-lava

x.25 - minix - bitnet - plan9 - 110 bps - ASR 33 - base8


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