You want "Protocol 2" in /etc/sshd/sshd_config.
Make a custom template:
mkdir -p /etc/e-smith/templates-custom/etc/ssh/sshd_config/
echo "Protocol 2" > \
/etc/e-smith/templates-custom/etc/ssh/sshd_config/20Protocol
/sbin/e-smith/expand-template /etc/ssh/sshd_config
/etc/init.d/sshd restart
Cheers,
--Rich