With IPHost Network Monitor you can run simple snmp requests against a LINKSYS device in your network.
pptpPassThroughStatus
pptp Pass Through Status
1.3.6.1.4.1.3955.3.4.1.26
Back to LINKSYS-MODEL-MIB MIB page.
IPHost Network monitor allows you to monitor pptpPassThroughStatus on LINKSYS device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring LINKSYS switches right now.