User's Manual

GVR3550/GVR3552 User Manual Page 114 of 125
4. GVR3550/GVR3552 will start upgrade automatically once uploaded the file, it will prompt users
whether to reboot when complete upgrade. With no operations in 30 seconds the GVR3550/GVR3552
will reboot automatically.
UPGRADE VIA TFTP FIRMWARE SERVER
For GVR3550, please configure TFTP server and put the file "gvr3550fw.bin" under TFTP server directory.
The file for GVR3552 is "gvr3552fw.bin".
Users could also download the free TFTP server by visiting the link below to download free Windows TFTP
server：
http://www.solarwinds.com/register/?program=52&c=70150000000CcH2&INTCMP=DLIndexA_FreeTools
_freeTFTPserver
NOTE:
Ø The default firmware file for GVR3550 should be named "gvr3550fw.bin" while
the file for GVR3552 is "gvr3552fw.bin", other names may cause upgrade
failure.
CONFIGURING TFTP SERVER
In this chapter, we take SolarWinds TFTP server as an example.
1. Open TFTP server;
2. Click "File" in the upper left corner and choose "Configure";
Figure 95 Configure Dialog
3. Set the directory to save the file in "Storage" entry under "General" tab, as shown in figure 96;