CCIE實(shí)驗(yàn)室考試指南(4)

Lab 04 -
    Time Protocol
    Using the diagram below configure Network Time Protocol.
    Send_ntp will provide time to Receive_ntp.
    Use your current time and location for your clock settings.
    Solution:
    Set the appropriate time and time zone for the router that will act as
    your time server.
    Also set the time server using the "ntp master" command.
    At the appropriate interface broadcast the NTP protocol.
    Send_ntp#clock set 07:30:00 20 jan ...
    1999
    Send_ntp#config t
    Enter configuration commands, one per line. ...
    End with CNTL/Z.
    Send_ntp(config)#clock ?
    summer-time Configure summer (daylight ...
    savings) time
    timezone Configure time zone
    Send_ntp(config)#clock timezone est 5
    Send_ntp(config)#clock summer-time ?
    WORD name of time zone in summer
    Send_ntp(config)#clock summer-time est ?
    date Configure absolute summer time
    recurring Configure recurring summer time
    Send_ntp(config)#clock summer-time est ...
    recurring
    Send_ntp(config)#int s0
    Send_ntp(config-if)#ntp broadcast
    Send_ntp(config)#ntp master
    Send_ntp#sh run
    Building configuration...
    %SYS-5-CONFIG_I: Configured from console by ...
    console
    Current configuration:
    ! !
    Last configuration change at 07:40:38 est ...
    Wed Jan 20 1999
    !
    version 11.3
    no service password-encryption
    !
    hostname Send_ntp
    !
    !
    clock timezone est 5
    clock summer-time est recurring
    !
    interface Ethernet0
    ip address 172.16.2.32 255.255.255.0
    !
    interface Serial0
    ip address 172.16.4.5 255.255.255.252
    no ip mroute-cache
    ntp broadcast
    no fair-queue
    !
    interface Serial1
    no ip address
    shutdown
    !
    router rip
    network 172.16.0.0
    !
    ip classless
    line con 0
    line 1 8
    line aux 0
    line vty 0 4
    !
    ntp master
    end
    To configure the receiving router, just point it to the time server.
    Before router is configured to receive time from NTP server:
    receive_ntp#sh clock
    *00:05:04.359 UTC Mon Mar 1 1993
    receive_ntp#config t
    Enter configuration commands, one per line. ...
    End with CNTL/Z.
    receive_ntp(config)#ntp server ...
    172.16.4.5
    receive_ntp(config)#^Z
    %SYS-5-CONFIG_I: Configured from console by ...
    console
    receive_ntp#sh clock
    .02:31:46.866 UTC Wed Jan 20 1999
    receive_ntp#sh run
    Building configuration...
    Current configuration:
    !
    version 11.3
    no service password-encryption
    !
    hostname receive_ntp
    interface Serial0
    ip address 172.16.4.6 255.255.255.252
    no ip mroute-cache
    clockrate 56000
    !
    interface Serial1
    no ip address
    shutdown
    !
    interface Serial2
    no ip address
    shutdown
    !
    interface Serial3
    no ip address
    shutdown
    !
    interface TokenRing0
    no ip address
    shutdown
    !
    interface BRI0
    no ip address
    shutdown
    !
    ip classless
    line con 0
    line aux 0
    line vty 0 4
    login
    !
    ntp server 172.16.4.5
    end