【实验拓扑】
【实验要求】
1、首先按照上图来连接路由器并配置好网络，在设置静态路由使得R1与R5之间能够互通。
2、将R5的当前配置文件拷贝到R1的flash中。
3、在R1上开启tftp-server，文件为flash中R5的配置。
4、在R1上开启DNS，并将R5主机名对应R5的IP地址。
5、不保存R5的配置，重启R5，使得配置能够自动从R1中获得。
【实验配置】
按照“实验基本配置”配置好网络，然后按照下面步骤操作
R5#conf t
R5(config)#tftp-server system:running-config alias R5.cfg
R1#copy tftp flash:
Address or name of remote host []? 155.1.0.5
Source filename []? R5.cfg
Destination filename [R5.cfg]?
Accessing tftp://155.1.0.5/R5.cfg...
Erase flash: before copying? [confirm]n
Loading R5.cfg from 155.1.0.5 (via FastEthernet0/0): !
[OK - 1263 bytes]
Verifying checksum... OK (0x9A03)
1263 bytes copied in 4.948 secs (255 bytes/sec)
R4:
interface Serial 0/0
ip helper-address 155.1.146.1
R1:
tftp-server flash:R5.cfg alias r5-confg
!
ip dns server
ip host R5 155.1.0.5
R5#wr era
Erasing the nvram filesystem will remove all configuration files! Continue?
[confirm]
[OK]
Erase of nvram: complete
R5#reload
System configuration has been modified. Save? [yes/no]: no
Proceed with reload? [confirm]
……
Would you like to enter the initial configuration dialog? [yes/no]:
Press RETURN to get started!
*Mar 1 00:00:10.695: %LINEPROTO-5-UPDOWN: Line protocol on Interface VoIPNull0,
changed state to upsslinit fn
*Mar 1 00:00:24.691: %LINK-3-UPDOWN: Interface Serial0/0, changed state to up
*Mar 1 00:00:27.691: %LINK-3-UPDOWN: Interface Serial0/1, changed state to
down
*Mar 1 00:00:27.691: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to
up
*Mar 1 00:00:30.691: %LINK-3-UPDOWN: Interface Ethernet0/1, changed state to
up
*Mar 1 00:00:33.691: %LINEPROTO-5-UPDOWN: Line protocol on Interface , changed
state to up
*Mar 1 00:00:36.691: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up
*Mar 1 00:00:36.691: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/1, changed state to down
*Mar 1 00:00:36.691: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Ethernet0/0, changed state to up
*Mar 1 00:00:36.691: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Ethernet0/1, changed state to up
*Mar 1 00:00:57.691: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, http://www.luyouqiwang.com/14518/ changed state to down
*Mar 1 00:01:15.643: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Accessed by Shamsheer Khan from 87.101.244.8 at 05:34:23 Dec 31,2007
CCIE Routing & Switching Lab Workbook Volume I Version 4.1
Copyright ? 2007 Internetwork Expert www.InternetworkExpert.com
- 22 -
Serial0/0, changed state to up
*Mar 1 00:02:16.875: %LINK-5-CHANGED: Interface Ethernet0/0, changed state to
administratively down
*Mar 1 00:02:16.879: %LINK-5-CHANGED: Interface Ethernet0/1, changed state to
administratively down
*Mar 1 00:02:16.879: %LINK-5-CHANGED: Interface Serial0/1, changed state to
administratively down
*Mar 1 00:02:17.875: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Ethernet0/0, changed state to down
*Mar 1 00:02:17.879: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Ethernet0/1, changed state to down
*Mar 1 00:02:19.691: %IP-5-WEBINST_KILL: Terminating DNS process
*Nov 17 13:45:24.679: %SYS-5-RESTART: System restarted --
Cisco IOS Software, 3600 Software (C3640-JK9O3S-M), Version 12.3(14)T7, RELEASE
SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Wed 22-Mar-06 21:46 by pwade
*Nov 17 13:45:24.691: %SNMP-5-COLDSTART: SNMP agent on host Router is
undergoing a cold start
*Nov 17 13:45:33.975: %SYS-5-CONFIG_I: Configured from tftp://155.1.146.1/r5-
confg by console
R5#
注：上面高亮部分显示了自动从R1上获取配置
【实验基本配置】
R1:
inter fa 0/0
ip address 155.1.146.1 255.255.255.0
no shut
ip route 155.1.0.0 255.255.255.0 155.1.146.4
R4:
inter ethernet 0/0
ip address 155.1.146.4 255.255.255.0
no shut
!
interface Serial 0/0
encaps frame-relay
no frame-relay inverse
ip address 155.1.0.4 255.255.255.0
frame map ip 155.1.0.5 405 broad
no shutdown
R5:
interface Serial 0/0
encaps frame-relay
no frame-relay inverse
ip address 155.1.0.5 255.255.255.0
frame map ip 155.1.0.4 504 broad
no shut
ip route 155.1.146.0 255.255.255.0 155.1.0.4
R6:
inter gig 0/0
ip address 155.1.146.6 255.255.255.0
no shut
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