if { $host == "swg1" } { set tftpserver "10.133.26.160" }
if { $host == "swg2" } { set tftpserver "10.133.26.160" }
if { $host == "swm" } { set tftpserver "10.133.28.160" }
if { $host == "swg1" } { set tftpserver "10.133.26.160" }
if { $host == "swg2" } { set tftpserver "10.133.26.160" }
if { $host == "swm" } { set tftpserver "10.133.28.160" }