The first 4 bytes at address 0x0000 should be a valid stack pointer (e.g., 0x2000xxxx ). Many bad dumps start with 0xFFFFFFFF . You can view this in the hex editor.
Search specifically for "JL381A" in the portal to filter for this exact hardware SKU to avoid downloading incompatible software. How to Update Your JL381A jl381a firmware
HPE Aruba 6300M 48G PoE+ 4SFP56 Switch (JL381A) Current Firmware Family: ArubaOS-CX The first 4 bytes at address 0x0000 should