|Finding ID||Version||Rule ID||IA Controls||Severity|
|The ISSM will ensure Releasable Local Area Network (REL LAN) environments are documented in the SSAA.|
|Network Infrastructure Policy Security Technical Implementation Guide||2016-07-11|
|Check Text ( C-8118r2_chk )|
| Interview the ISSM and review the SSAA. GRE tunnels found on a premise or edge SIPRNet router that have an endpoint within the REL IP address space must be documented in the SSAA. |
If the REL LAN has not been documented in the SSAA, this is a finding.
|Fix Text (F-11390r2_fix)|
|The ISSM will document GRE tunnels defined on a premise or edge SIPRNet router that have an endpoint within the REL IP address space.|