10.1
Lo0
172.16.10.3
Internet
128 Con?¬?guration Example: NTP
Brandon Router (Intermediate Router)
Dauphin Router (Client Router)
Brandon(config)#ntp authentication-key 1 md5
manitoba
Creates authentication key
1 with a password of
manitoba
Brandon(config)#ntp authentication-key 2 md5
notsask
Creates authentication key
1 with a password of
notsask
Brandon(config)#ntp trusted-key 1 De?¬?nes key 1 as trusted
Brandon(config)#ntp server 172.16.10.1 Identi?¬?es the NTP server
by its address of
172.16.10.1
Brandon(config)#ntp source loopback 0 This interface is used for
the source address for all
packets sent to all
destinations
Brandon(config)#interface fastethernet 0/0 Moves to interface
con?¬?guration mode
Brandon(config-if)#ntp broadcast Con?¬?gures this interface
to send NTP broadcast
packets
Dauphin(config)#ntp authentication-key 2 md5
notsask
Creates authentication key
1 with a password of
notsask
Dauphin(config)#ntp trusted-key 2 De?¬?nes key 2 as trusted
Dauphin(config)#interface fastethernet 0/1 Moves to interface
con?¬?guration mode
Dauphin(config-if)#ntp broadcast client Con?¬?gures this interface
to listen to NTP
broadcasts
Con?¬?guring AAA on Cisco Routers Using CLI 129
Con?¬?guring AAA on Cisco Routers Using CLI
TACACS+
Router(config)#aaa new-model Enables AAA with the
new access control
commands and thereby
disables old commands
Router(config)#tacacs-server host
192.
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