Digi TransPort WR31 User Manual page 485

Configure Secure Shell (SSH) server and client
MAC SHA1
The preference level for MAC SHA1.
MAC SHA1-96
The preference level for MAC SHA1-96.
Enable Server Keepalives
When enabled, enables server keepalives to use the same tcp connection for HTTP conversation
instead of opening new one with each new request.
Enable Debug
The router supports logging and output of debugging information for situations where there are
problems establishing a SSH connection. When enabled, this setting causes the router to trace
and output information that should be helpful in diagnosing and resolving the problem.
Digi TransPort WR Routers User Guide
Configure Secure Shell (SSH) Client
485