Устаревший синтаксис
router#write ?
erase Erase NV memory
memory Write to NV memory
network Write to network TFTP server
terminal Write to terminal
<cr>
router#configure ?
memory Configure from NV memory
network Configure from a TFTP network host
overwrite-network Overwrite NV memory from TFTP network host
terminal Configure from the terminal
<cr>
Современный синтаксис
router#dir system:/
router#dir nvram:/
router#dir flash:/
router#more system:/running-config
router#more nvram:/startup-config
router#copy system:/running-config nvram:/startup-config
router#copy running-config startup-config
router#copy running-config tftp://server/rw/router.conf !!!не во всех реализациях tftp
router#more tftp://server/firewall.acl
router#copy tftp://server/firewall.acl running-config