First Logon to the Router
Telnet x.x.x.x
Password xxxx
Findout the names of the Interfaces (view the running-config)
show run
Update the interface with the additional IP
enable
conf terminal
interface FastEthernet0/0.1
ip address 192.168.1.254 255.255.255.0 secondary
exit
exit
exit
Save the running config to the statup config:
copy running-config startup-config
TFTP Command to copy config
copy running-config tftp 10.10.10.2 CISO1850.config
Dell command:
no access-list 111 permit tcp host
HP command:
wr mem
Done.