2900系列路由器密码恢复操作

2900系列路由器密码恢复操作 Generated by Unregistered Batch DOC & DOCX Converter 2010.2.205.1366, please register! 2900系列路由器密码恢复操作 ---供参考: 前期准备:PC可以通过controller口来登录路由器。 1、路由器断电。(shut down the router.) 2、移除后面板上的 compact flash。具体位置请参考以下链接: Figure 1-4 Front Panel of the Cisco 2911 Router ion/guide/Overview.html#wp1082928 3、开机 (Switch on the router.) 4、当路由器进入 Rommon mode, 将compact flash插回去。 5、执行以下操作: rommon 1 > confreg 0x2142 You must reset or power cycle for new config to take effect rommon 2 > reset System Bootstrap, Version 15.0(1r)M1, RELEASE SOFTWARE (fc1) Copyright (c) 2009 by cisco Systems, Inc. TAC:Home:SW:IOS:Specials for info C2900 platform with 524288 Kbytes of main memory program load complete, entry point: 0x80008000, size: 0x6fdb4c Self decompressing the image : ############################### ############################################################## ############################################################## ############################################################## ############################### [OK] Restricted Rights Legend Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted Generated by Unregistered Batch DOC & DOCX Converter 2010.2.205.1366, please register! Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013. cisco Systems, Inc. 170 West Tasman Drive San Jose, California 95134-1706 Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.0(1)M1, RELEASE SOFTWARE (fc1) Technical Support: Copyright (c) 1986-2009 by Cisco Systems, Inc. Compiled Wed 02-Dec-09 15:23 by prod_rel_team Cisco CISCO2921/K9 (revision 1.0) with 475136K/49152K bytes of memory. Processor board ID FHH1230P04Y 1 DSL controller 3 Gigabit Ethernet interfaces 9 terminal lines 1 Virtual Private Network (VPN) Module 1 Cable Modem interface 1 cisco Integrated Service Engine-2(s) Cisco Foundation 2.2.1 in slot 1 DRAM configuration is 64 bits wide with parity enabled. 255K bytes of non-volatile configuration memory. 248472K bytes of ATA System CompactFlash 0 (Read/Write) 62720K bytes of ATA CompactFlash 1 (Read/Write) --- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no]: n Press RETURN to get started! 00:00:19: %LINK-3-UPDOWN: Interface BRI0/0, changed state to up 00:00:19: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up 00:00:19: %LINK-3-UPDOWN: Interface Ethernet0/1, changed state to up 00:00:19: %LINK-3-UPDOWN: Interface Serial0/0, changed state to down 00:00:19: %LINK-3-UPDOWN: Interface Serial0/1, changed state to down 00:00:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0/0, changed state to down 00:00:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state to up Router> Generated by Unregistered Batch DOC & DOCX Converter 2010.2.205.1366, please register! 00:00:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/1, changed state to up 00:00:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to down 00:00:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1, changed state to down 00:00:50: %SYS-5-RESTART: System restarted -- Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.0(1)M1, RELEASE SOFTWARE (fc1) Technical Support: Copyright (c) 1986-2009 by Cisco Systems, Inc. Compiled Wed 02-Dec-09 15:23 by prod_rel_team 00:00:50: %LINK-5-CHANGED: Interface BRI0/0, changed state to administratively down 00:00:52: %LINK-5-CHANGED: Interface Ethernet0/0, changed state to administratively down 00:00:52: %LINK-5-CHANGED: Interface Serial0/0, changed state to administratively down 00:00:52: %LINK-5-CHANGED: Interface Ethernet0/1, changed state to administratively down 00:00:52: %LINK-5-CHANGED: Interface Serial0/1, changed state to administratively down 00:00:53: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state to down 00:00:53: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/1, changed state to down Router> Router>enable Router#copy startup-config running-config Destination filename [running-config]? //直接回车 1324 bytes copied in 2.35 secs (662 bytes/sec) Router# 00:01:24: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0/0:1, changed state to down 00:01:24: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0/0:2, changed state to down Router#configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)#enable secret < password > //输入安全密码 router(config)#username cisco privilege 15 password cisco //创建新的用 户名、密码 router(config)#config-register 0x2102 Router#copy running-config startup-config Generated by Unregistered Batch DOC & DOCX Converter 2010.2.205.1366, please register! Destination filename [startup-config]? Building configuration... [OK] Router#show version Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version 15.0(1)M1, RELEASE SOFTWARE (fc1) Technical Support: Copyright (c) 1986-2009 by Cisco Systems, Inc. Compiled Wed 02-Dec-09 15:23 by prod_rel_team ROM: System Bootstrap, Version 15.0(1r)M1, RELEASE SOFTWARE (fc1) c2921-CCP-1-xfr uptime is 2 weeks, 22 hours, 15 minutes System returned to ROM by reload at 06:06:52 PCTime Mon Apr 2 1900 System restarted at 06:08:03 PCTime Mon Apr 2 1900 System image file is "flash:c2900-universalk9-mz.SPA.150-1.M1.bin" Last reload reason: Reload Command Cisco CISCO2921/K9 (revision 1.0) with 475136K/49152K bytes of memory. Processor board ID FHH1230P04Y 1 DSL controller 3 Gigabit Ethernet interfaces 9 terminal lines 1 Virtual Private Network (VPN) Module 1 Cable Modem interface 1 cisco Integrated Service Engine-2(s) Cisco Foundation 2.2.1 in slot 1 DRAM configuration is 64 bits wide with parity enabled. 255K bytes of non-volatile configuration memory. 248472K bytes of ATA System CompactFlash 0 (Read/Write) 62720K bytes of ATA CompactFlash 1 (Read/Write) Configuration register is 0x2142 (will be 0x2102 at next reload) Router#