# strings /kernel/drv/arch/igb | grep igb ... igb 2.2.2
If the version number is not 2.2.2 or later, you must install the latest driver, or you can reinstall the OS. See OS Patches and Updates.
Note - If the igb(7D) driver is not listed, the driver might not be loaded. You can use the modload(1M) command to load the driver if needed.
# modload /kernel/drv/arch/igb
where arch is amd64 for 64-bit Intel systems or sparcv9 for Oracle SPARC systems.