The AM8.1 Admin Guide Appendix A mentions how to add static routes (persistent and non-persistent) to the appliance, the AM8.1.1 guide has a little additional information on that. There is also a KB Article# 000017543 with information on static routes. However, I can't find any information about Static Routes in the updated AM8.2 documents.
Are static routes still supported with AM8.2? Is there updated documentation for this?