Alcatel-Lucent 7950 SR System Management Manual page 120

Login, Telnet, SSH and FTP Commands
telnet
Syntax telnet
Context config>system>login-control
Description This command creates the context to configure the Telnet login control parameters.
enable-graceful-shutdown
Syntax [no] enable-graceful-shutdown
Context config>system>login-control>telnet
Description
This command enables graceful shutdown of telnet sessions.
The no form of the command disables graceful shutdown of telnet sessions.
Page 120 7950 SR OS System Management Guide