Fortigate

some quick ref command i ncluding debugging packet flow. http://docs-legacy.fortinet.com/cb/html/index.html#page/FOS_Cookbook/Install_advanced/cb_appendix_diags.html

HE ipv6 tunnel with foritgate https://www.sixxs.net/wiki/Fortigate

http://docs.fortinet.com/uploaded/files/1587/fortigate-ipv6.pdf

Supplementary Recipes http://docs-legacy.fortinet.com/supplement.html

Fortigate ipv6 http://docs.fortinet.com/uploaded/files/1587/fortigate-ipv6.pdf

Troubleshooting / Diag

Is IPS your problem?

# diag test application ipsmonitor 
 
IPS Engine Test Usage: (Values for >
1: Display IPS engine information
2: Toggle IPS engine enable/disable status
3: Display restart log
4: Clear restart log
5: Toggle bypass status
6: Submit attack characteristics now
97: Start all IPS engines
98: Stop all IPS engines
99: Restart all IPS engines and monitor