cisco termination of the connection
read state of tcp connection
bash-3.00$ snmpwalk -v 2c -c community_ro cisco_host 1.3.6.1.2.1.6.13.1.1
TCP-MIB::tcpConnState.172.16.18.21.179.192.168.18.22.21507 = INTEGER: established(5)
make clean session
bash-3.00$ snmpset -v 2c -c community_rw cisco_host TCP-MIB::tcpConnState.172.16.18.21.179.192.168.18.22.21507 i 12
TCP-MIB::tcpConnState.172.16.18.21.179.192.168.18.22.21507 = INTEGER: deleteTCB(12)
