mike@baconator:~/dev$ snmpwalk -Os -c Canopy -v 2c 172.16.20.24 .1.3.6.1.4.1.161.19.3.1.7.1.0
iso.3.6.1.4.1.161.19.3.1.7.1.0 = Gauge32: 57


#!/usr/bin/env python
import netsnmp
oid = netsnmp.Varbind('.1.3.6.1.4.1.161.19.3.1.7.1.0')
result = netsnmp.snmpwalk(oid,
		     Version = 2,
                     DestHost="172.16.20.24",
	             Community="Canopy")
result