The location within a device where Cisco IOS software licenses are stored. Depending on the hardware platform, valid URL location file systems might be: archive, bootflash, bs, flash, flash n, ftp, http, https, null, nvram, pram, rcp, scp, syslog, system, tftp, tmpsys, usb0, vb.
- The bs://, null://, and vb:// file systems do not accept filenames.
- The bs file system is available only on mixed Cisco 3750-E switch stacks.
- The archive, pram scp, and syslog file systems are available only on router platforms.
- The flash n file system, where r, is an integer in the range from 1 to 9, is available only on Cisco 3750-E switches and stacks.
- The https file system is not available on mixed Cisco 3750-E switch stacks and the Cisco 3560-E switch.