How to check memory usage in USG Flex H series devices?

Zyxel_Jeff

Question :

For troubleshooting purposes, we may need to check the memory usage if is normal. This FAQ will guide you on how to check it.

Answer :

You can navigate to the device-GUI dashboard to check it, as shown below:

Additionally, if you want to check the memory usage more in detail you can use CLIs to check it.

usgflex200hp> show mem status
memory-status
ok
system-total "4022900.0 kB"
system-available "922240.0 kB"
system-usage "77.1 %"
fast-path-total "1026048.0 kB"
fast-path-available "386487.8 kB"
fast-path-usage "62.3 %"

usgflex200hp> show mem status details
MemTotal: 4022900 kB
MemFree: 739940 kB
MemAvailable: 922416 kB
Buffers: 39928 kB
Cached: 434012 kB
SwapCached: 0 kB
Active: 742768 kB
Inactive: 355096 kB
Active(anon): 633960 kB
Inactive(anon): 182252 kB
Active(file): 108808 kB
Inactive(file): 172844 kB
Unevictable: 3412 kB
Mlocked: 3412 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 627280 kB
Mapped: 96144 kB
Shmem: 192328 kB
Slab: 127876 kB
SReclaimable: 55476 kB