Starting ike-scan 1.9 with 1 hosts (http://www.nta-monitor.com/tools/ike-scan/)
172.16.21.200 Main Mode Handshake returned
HDR=(CKY-R=4f3ec84731e2214a)
SA=(Enc=3DES Hash=SHA1 Group=2:modp1024 Auth=PSK LifeType=Seconds LifeDuration=28800)
VID=4048b7d56ebce88525e7de7f00d6c2d3c0000000 (IKE Fragmentation)
IP Address No. Recv time Delta Time
172.16.21.200 1 1322286031.744904 0.000000
172.16.21.200 2 1322286039.745081 8.000177
172.16.21.200 3 1322286047.745989 8.000908
172.16.21.200 4 1322286055.746972 8.000983
172.16.21.200 Implementation guess: Cisco VPN Concentrator
Ending ike-scan 1.9: 1 hosts scanned in 84.080 seconds (0.01 hosts/sec). 1 returned handshake; 0 returned notify