Open Networking Hardware Diagnostic Guide October 2024
SMF MSS upgrade
You can upgrade SMF MSS using the following steps:
To find out what region is running, use the gmr option.
- If MSS is running in region A, use the region B image to upgrade the MSS.
- If MSS is running in region B, use the region A image to upgrade the MSS.
- If MSS is running in region G, use the region A image to upgrade the MSS.
Upgrade mss A-region when mss is running in G-region:
./smarttool -um /dev/ttyS0 <platform>_SMF_MSS_v1.41_A_region.bin
Upgrade mss B-region when mss is running in A-region:
./smarttool -um /dev/ttyS0 <platform>_SMF_MSS_v1.41_B_region.bin
Upgrade mss A-region when mss is running in B-region:
./smarttool -um /dev/ <platform>_SMF_MSS_v1.41_A_region.bin
- Copy all the binaries needed for the upgrade into a local directory.
Figure 1. Copy all needed binaries 
- Check the MSS region using the
smarttool –gmr /dev/ttyS0 command.
Figure 2. Check MSS region 
- Check the MSS version using
smarttool –gmv /dev/ttyS0 command.
Figure 3. Check MSS version 
- Because the MSS is running in region G in this example, use the region A image to upgrade your device:
smarttool -um /dev/ttyS0 <Path_to_the_image>/<platform>_SMF_MSS_v1.41_A_region.bin. The device automatically reboots after the upgrade.
Figure 4. Upgrade region A 
- Ensure that MSS has upgraded successfully by using the
smarttool –gmv /dev/ttyS0 command after the system reboots.
Figure 5. Check MSS upgrade 
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