C3900-universalk9-mz.spa.157-3.m8.bin New!

Indicates the file is zip-compressed to save space on the flash storage. When the router boots, it decompresses this file into memory. 4. Digital Signature: spa

To install this image, the .bin file is typically uploaded to the router's flash memory via TFTP, FTP, or SCP. C3900-universalk9-mz.spa.157-3.m8.bin

ip access-list standard MANAGEMENT-PERMIT permit 10.0.0.0 0.255.255.255 deny any log Indicates the file is zip-compressed to save space

– disable Telnet globally.