Chapter 7 other Flashcards
Once a file is copied to NVRAM, you can make a second back up by using what command?
‘copy running-config tftp’ or ‘copy run tftp’
You make the second backup to a TFTP server
How do you restore a configuration that was copied to a TFTP server? What happens to the interfaces ?
‘copy tftp running-config’ or ‘copy tftp startup-config’
How do you configure DHCP on a Cisco router/switch?
Switch(config)#service dhcp
Switch(config)#ip dhcp excluded-address ‘ip addresses you want to exclude such as router itself or file server’
Switch(config)#ip dhcp pool ‘name of pool’
Switch(dhcp-config)#network ‘ip address mask’
Switch(dhcp-config)#default-router ‘ip address of default router’
Switch(dhcp-config)#dns-server ‘any ip address’
Switch(dhcp-config)#domain-name ‘something.com’
Switch(dhcp-config)#lease ‘days hours minutes’
Switch(dhcp-config)#option 66 ascii tftp.lammle.com
How do you enable DHCP Relay, why is it needed?
config t
interface ‘interface connected to the DHCP client’
ip helper-address ‘DHCP server address’
Without DHCP Relay, DHCP requests from hosts never leave the local LAN subnet
How do you verify DHCP on Cisco IOS?
show ip dhcp binding
Lists state info about each IP address currently leased to a client
How to view connection to a remote device?
show sessions
How to reveal active consoles and VTY ports in use on router?
show users
