0. DASAN H645G Upgrade with 1.15-9997 and 2.31-1031

1. Index 1. NOS upgrade with NOS 1.15-9997.
2. Bootloader auto-upgrade to
3. NOS upgrade with NOS

2. 1. NOS upgrade with NOS 1.15-9997 Upgrade to NOS 1.15-9997
V8240# copy tftp onu download
Jul 30 16:24:21 IMISH[26095]: copy tftp onu download
To exit : press Ctrl+D
IP address or name of remote host (TFTP):
Download File Name : G_ONU_N_ H645G.x
Now ONU Firmware download from via tftp.
Downloading file ....
Received bytes.
V8240#
V8240(config-gpon-olt[1/1])# onu upgrade 6 G_ONU_N_ H645G.x
Jul 30 16:29:44 GPON[264]: Success Download-OS ONU(1/1,6)
Jul 30 16:29:49 GPON[264]: Success upgrade ONU(1/1,6)
V8240(config-gpon-olt[1/1])# onu reset 6
Jul 30 16:33:01 GPON[264]: ONU(1/1,6) ACTIVATION (SN:DSNWcbd599d7)
Jul 30 16:33:09 GPON[264]: OMCI Upload complete ONU(1/1,6) eqd: rx_power:8376 mac:00:d0:cb:d5:99:d7
V8240(config-gpon-olt[1/1])# sh onu firmware ver 6
Jul 30 16:33:28 IMISH[26095]: sh onu firmware ver 6
(D):Default-OS (R):Running-OS
OLT | ONU | Upgrade Status | OS | OS2
1/1 | | | | (D)(R)
Some ONTs that are manufactured in Nov, 2012 have old bootloader version
And this old bootloader have IOP issue with newest NOS version.
2. To upgrade new NOS , should upgrade bootloader, first.
3. To upgrade bootloader, you should upgrade with NOS Because if you use this one, this NOS will upgrade your old bootloader to new bootloader
After finish upgrading with NOS , reset the ONT. Then this NOS will upgrade your bootloader automatically.
Please check below ONT logs for your reference.

3. 2. Bootloader auto-upgrade to 4.4.2
H645G console log
DASAN CPU trueload started
Freeing unused kernel memory: 7916k freed
Starting portmap daemon: portmap.
Starting internet superserver: inetd done.
logrotate: Starting subsystem
logrotate: rotation for *.err ...
logrotate: rotation for *.log ...
UBIFS: recovery needed
UBIFS: recovery completed
UBIFS: mounted UBI device 5, volume 2, name "2"
UBIFS: file system size: bytes (8190 KiB, 7 MiB, 65 LEBs)
UBIFS: journal size: bytes (1008 KiB, 0 MiB, 6 LEBs)
UBIFS: media format: w4/r0 (latest is w4/r0)
UBIFS: default compressor: lzo
UBIFS: reserved for root: bytes (386 KiB)
Current BootloaderVersion : [H645G_4.3.4]
NOS include Bootloader Version : [H645G_4.4.2]
[DASAN Bootloader Immediately Upgrade]
Do Bootloader upgrade [H645G_ > H645G_4.4.2]
[fn_write_ubi_boot_volume start]!!!
records in
records out
[fn_read_ubi_boot_volume start]!!!
Bootloader upgrade Finished. System will be rebooted...
cannot run '/sbin/swapoff': No such file or directory
UBIFS: un-mount UBI device 5, volume 2
umount: /etc/mtab: No such file or directory
The system is going down NOW!
Sent SIGTERM to all processes
Sent SIGKILL to all processes
Requesting system reboot
Restarting system.
… skip
******************************************************************************
* Boot Loader Version - H645G_4.4.2
* U-Boot svn6230 (Apr :55:11 - BCM )
* Dasan Networks Inc.
**********

4. 3. NOS upgrade with 2.31-1031 Upgrade to 2.31-1031
V8240# copy tftp onu download
Jul 30 16:33:52 IMISH[26095]: copy tftp onu download
To exit : press Ctrl+D
IP address or name of remote host (TFTP):
Download File Name : G_ONU_N_ H645G.x
Now ONU Firmware download from via tftp.
Downloading file ....
Received bytes.
V8240#
V8240(config-gpon-olt[1/1])# onu upgrade 6 G_ONU_N_ H645G.x
V8240(config-gpon-olt[1/1])# sh onu firmware version 6
V8240(config-gpon-olt[1/1])# Jul 30 16:40:20 GPON[264]: Success Download-OS ONU(1/1,6)
Jul 30 16:40:25 GPON[264]: Success upgrade ONU(1/1,6)
V8240(config-gpon-olt[1/1])# onu reset 6
Jul 30 16:43:48 IMISH[26095]: onu reset 6
V8240(config-gpon-olt[1/1])# sh onu firmware ver 6
Jul 30 16:45:19 IMISH[26095]: sh onu firmware ver 6
(D):Default-OS (R):Running-OS
OLT | ONU | Upgrade Status | OS | OS2
1/1 | | | (D)(R) |