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本文档介绍在XE-SDWAN上恢复密码的过程。
从XE-SDWAN版本16.10.3开始,由于安全原因,您有默认的一次性管理员密码,用户很容易忽略,并可能陷入用户锁定状态。如果尚未建立与vManage控制器的控制连接,并且您不能简单地附加带有用户名和密码集的新模板,则在初始路由器设置期间,这尤其危险。本文详细介绍了如何恢复。
Username: admin Password: Router#
Sep 23 20:36:03.133: SDWAN INFO: WARNING: Please configure a new username and password; one-time user admin is removed.
这是您在使用默认管理员/管理员凭证登录后在控制台上看到的新消息。
注意:此过程会清除现有配置,因此请尽可能备份配置,然后继续。
这是设备在忽略控制台日志中的一次性密码消息时如何锁定的示例。
rommon 2 > boot bootflash:asr1000-ucmk9.16.10.3a.SPA.bin File size is 0x2f7f66c6 Located asr1000-ucmk9.16.10.3a.SPA.bin Image size 796878534 inode num 17, bks cnt 194551 blk size 8*512 ################################################################################################################################################################################################################################################################################################################################################################################################################################ Boot image size = 796878534 (0x2f7f66c6) bytes <<<<<<<< OUTPUT TRIMMED >>>>>>>>> Press RETURN to get started!
<<<<<<<< OUTPUT TRIMMED >>>>>>>>>
*Sep 23 20:35:33.558: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon vdaemon @ pid 2218 in vpn 0 *Sep 23 20:35:33.635: %Cisco-SDWAN-Router-TTMD-6-INFO-1200001: R0/0: TTMD: Starting *Sep 23 20:35:33.725: %Cisco-SDWAN-Router-CFGMGR-6-INFO-300001: R0/0: CFGMGR: Starting *Sep 23 20:35:33.823: %Cisco-SDWAN-Router-FPMD-6-INFO-1100001: R0/0: FPMD: Starting *Sep 23 20:35:33.953: %Cisco-SDWAN-Router-FTMD-6-INFO-1000020: R0/0: FTMD: SLA class '__all_tunnels__' added at index '0': loss = 128%, latency = 2147483647 ms *Sep 23 20:35:34.424: %Cisco-SDWAN-Router-FTMD-4-WARN-1000007: R0/0: FTMD: Connection to TTM came up. p_msgq 0x7fe1b3235500 p_ftm 0x9a3020 *Sep 23 20:35:41.475: %DMI-5-INITIALIZED: R0/0: syncfd: process has initialized. *Sep 23 20:35:44.975: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback65528, changed state to up *Sep 23 20:35:44.991: %SYS-5-LOG_CONFIG_CHANGE: Buffer logging: level debugging, xml disabled, filtering disabled, size (262144) *Sep 23 20:35:45.025: SDWAN INFO: Received ENABLE_CONSOLE message from sysmgr *Sep 23 20:35:45.025: Console Enabled *Sep 23 20:35:45.025: SDWAN INFO: PNP start, status: success *Sep 23 20:35:45.023: %DMI-5-ACTIVE: R0/0: nesd: process is in steady state. *Sep 23 20:35:45.888: EXEC mode enabled on console User Access Verification Username: admin Password: Router# *Sep 23 20:36:03.133: SDWAN INFO: WARNING: Please configure a new username and password; one-time user admin is removed. *Sep 23 20:36:03.240: %DMI-5-CONFIG_I: R0/0: nesd: Configured from NETCONF/RESTCONF by system, transaction-id 14 Router#exit Press RETURN to get started. User Access Verification Username: admin Password: % Login invalid Press RETURN to get started. User Access Verification Username: Login incorrect Username:
步骤1.通过以下步骤启动流程
注意:我们建议使用0xA102,因为它不太容易出错。例如,如果错误地将配置寄存器设置为0x800而不是0x8000(两个零而不是三个),则控制台波特率将设置为4800而不是配置旁路。有关配置寄存器的详细信息,其含义请参阅以下文章https://www.cisco.com/c/en/us/support/docs/routers/10000-series-routers/50421-config-register-use.html
注意:如果您熟悉Cisco IOS-XE软件,您可能会想知道为什么不能使用0x2142配置寄存器完成配置旁路。这是因为IOS-XE SD-WAN软件以不同方式在闪存的配置数据库(CDB)中存储配置。从Cisco IOS XE SD-WAN软件16.10.1开始,位15可设置为1以绕过配置,因此配置寄存器应例如0xA102。这是设置位15(0x8000)并与默认寄存器0x2102的十六进制值结合的结果。
3.重置框(检查命令的以下输出)。
Initializing Hardware ... System integrity status: 90170400 12030117 U System Bootstrap, Version 16.3(2r), RELEASE SOFTWARE Copyright (c) 1994-2016 by cisco Systems, Inc. Current image running: Boot ROM1 Last reset cause: PowerOn Warning: Octeon PCIe lanes not x2 width: sts=0x5011 ASR1001-HX platform with 16777216 Kbytes of main memory rommon 1 > confreg 0x8000 You must reset or power cycle for new config to take effect rommon 2 > i Resetting ....... Initializing Hardware ... System integrity status: 90170400 12030117 Trixie configured CaveCreek Link Status reg: Bus/Dev/Func: 0/28/1, offset 0x52, status = 00003011Times left ms:0000005C Initializing DS31408... Read MB FPGA Version: 0x16051716 DS31408 locked to local Oscillator Taking Yoda out of reset... Yoda VID enabled... Crypto enabled... Warning: Octeon PCIe link width not x2: sts=00001001 requesting link retrain Astro enabled... Astro PLL/bandgap init... NP5c out of reset... U System Bootstrap, Version 16.3(2r), RELEASE SOFTWARE Copyright (c) 1994-2016 by cisco Systems, Inc. CPLD Version: 16033009 ASR1001-HX Slot:0 Current image running: Boot ROM1 Last reset cause: LocalSoft Reading confreg 0x8000 Enabling interrupts Initializing SATA controller...done Checking for PCIe device presence... Warning: Octeon PCIe lanes not x2 width: sts=0x5011 done ASR1001-HX platform with 16777216 Kbytes of main memory autoboot entry: NVRAM VALUES: bootconf: 0x0, autobootstate: 0 autobootcount: 0, autobootsptr: 0x0
步骤2.从rommon启动XE-SDWAN .bin映像。
rommon 3 > boot bootflash:asr1000-ucmk9.16.10.3a.SPA.bin Warning: filesystem is not clean File size is 0x2f7f66c6 Located asr1000-ucmk9.16.10.3a.SPA.bin Image size 796878534 inode num 17, bks cnt 194551 blk size 8*512 ####################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################################### File is comprised of 200 fragments (0%) <<<<<< OUTPUT TRIMMED >>>>>>>> Press RETURN to get started!
<<<<<< OUTPUT TRIMMED >>>>>>>> *Sep 23 20:47:34.124: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon cfgmgr @ pid 5018 in vpn 0 *Sep 23 20:47:34.125: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon fpmd @ pid 5019 in vpn 0 *Sep 23 20:47:34.125: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon ftmd @ pid 5020 in vpn 0 *Sep 23 20:47:34.126: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon ompd @ pid 5021 in vpn 0 *Sep 23 20:47:34.127: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon ttmd @ pid 5022 in vpn 0 *Sep 23 20:47:34.127: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon vdaemon @ pid 5023 in vpn 0 *Sep 23 20:47:34.214: %Cisco-SDWAN-Router-TTMD-6-INFO-1200001: R0/0: TTMD: Starting *Sep 23 20:47:34.307: %Cisco-SDWAN-Router-CFGMGR-6-INFO-300001: R0/0: CFGMGR: Starting *Sep 23 20:47:34.382: %Cisco-SDWAN-Router-FPMD-6-INFO-1100001: R0/0: FPMD: Starting *Sep 23 20:47:34.525: %Cisco-SDWAN-Router-FTMD-6-INFO-1000020: R0/0: FTMD: SLA class '__all_tunnels__' added at index '0': loss = 128%, latency = 2147483647 ms *Sep 23 20:47:41.143: %ONEP_BASE-6-CONNECT: [Element]: ONEP session Application:com.cisco.syncfd Host:Router ID:726 User:a has connected. *Sep 23 20:47:41.997: %DMI-5-INITIALIZED: R0/0: syncfd: process has initialized. *Sep 23 20:47:45.480: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback65528, changed state to up *Sep 23 20:47:45.495: %SYS-5-LOG_CONFIG_CHANGE: Buffer logging: level debugging, xml disabled, filtering disabled, size (262144) *Sep 23 20:47:45.534: SDWAN INFO: Received ENABLE_CONSOLE message from sysmgr *Sep 23 20:47:45.534: Console Enabled *Sep 23 20:47:45.534: SDWAN INFO: PNP start, status: success *Sep 23 20:47:45.531: %DMI-5-ACTIVE: R0/0: nesd: process is in steady state. *Sep 23 20:47:45.945: EXEC mode enabled on console
步骤3.现在,您可以使用默认管理员凭证登录。
User Access Verification Username: admin Password: Router# *Sep 23 20:48:16.659: SDWAN INFO: WARNING: Please configure a new username and password; one-time user admin is removed. *Sep 23 20:48:16.767: %DMI-5-CONFIG_I: R0/0: nesd: Configured from NETCONF/RESTCONF by system, transaction-id 14 Router#
Router#sh ver | i Configuration register
Configuration register is 0x8000
步骤4.这是必需步骤。
Router#request platform software sdwan software reset *Sep 23 20:52:17.400: %INSTALL-5-INSTALL_START_INFO: R0/0: install_engine: Started install activate bootflash:asr1000-ucmk9.16.10.3a.SPA.bin *Sep 23 20:52:23.919: %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram Router# *Sep 23 20:52:47.943: %INSTALL-5-INSTALL_COMPLETED_INFO: R0/0: install_engine: Completed install activate PACKAGESep 23 20:53:04.302: Initializing Hardware ... System integrity status: 90170400 12030117 U System Bootstrap, Version 16.3(2r), RELEASE SOFTWARE Copyright (c) 1994-2016 by cisco Systems, Inc. Current image running: Boot ROM1 Last reset cause: LocalSoft Warning: Octeon PCIe lanes not x2 width: sts=0x5011 ASR1001-HX platform with 16777216 Kbytes of main memory File size is 0x00001a47 Located packages.conf Image size 6727 inode num 1120114, bks cnt 2 blk size 8*512 # File size is 0x01e7df8e Located asr1000-rpboot.16.10.3a.SPA.pkg Image size 31973262 inode num 1120126, bks cnt 7806 blk size 8*512 ######################################################################################################################################################################################################################################################################################################################## Boot image size = 31973262 (0x1e7df8e) bytes ROM:RSA Self Test Passed ROM:Sha512 Self Test Passed
<<<<<< OUTPUT TRIMMED >>>>>>>>
*Sep 23 20:57:13.347: %ONEP_BASE-6-CONNECT: [Element]: ONEP session Application:com.cisco.syncfd Host:Router ID:8029 User:a has connected. *Sep 23 20:57:15.226: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon cfgmgr @ pid 4435 in vpn 0 *Sep 23 20:57:15.227: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon fpmd @ pid 4436 in vpn 0 *Sep 23 20:57:15.228: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon ftmd @ pid 4437 in vpn 0 *Sep 23 20:57:15.229: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon ompd @ pid 4438 in vpn 0 *Sep 23 20:57:15.229: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon ttmd @ pid 4439 in vpn 0 *Sep 23 20:57:15.230: %Cisco-SDWAN-Router-SYSMGR-6-INFO-200017: R0/0: SYSMGR: Started daemon vdaemon @ pid 4440 in vpn 0 *Sep 23 20:57:15.308: %Cisco-SDWAN-Router-TTMD-6-INFO-1200001: R0/0: TTMD: Starting *Sep 23 20:57:15.391: %Cisco-SDWAN-Router-CFGMGR-6-INFO-300001: R0/0: CFGMGR: Starting *Sep 23 20:57:15.484: %Cisco-SDWAN-Router-FPMD-6-INFO-1100001: R0/0: FPMD: Starting *Sep 23 20:57:15.620: %Cisco-SDWAN-Router-FTMD-6-INFO-1000020: R0/0: FTMD: SLA class '__all_tunnels__' added at index '0': loss = 128%, latency = 2147483647 ms *Sep 23 20:57:16.092: %Cisco-SDWAN-Router-FTMD-4-WARN-1000007: R0/0: FTMD: Connection to TTM came up. p_msgq 0x7f5815c35500 p_ftm 0x9a3020 *Sep 23 20:57:27.380: %DMI-5-INITIALIZED: R0/0: syncfd: process has initialized. *Sep 23 20:57:35.032: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback65528, changed state to up *Sep 23 20:57:35.048: %SYS-5-LOG_CONFIG_CHANGE: Buffer logging: level debugging, xml disabled, filtering disabled, size (262144) *Sep 23 20:57:35.081: SDWAN INFO: Received ENABLE_CONSOLE message from sysmgr *Sep 23 20:57:35.081: Console Enabled *Sep 23 20:57:35.081: SDWAN INFO: PNP start, status: success *Sep 23 20:57:35.079: %DMI-5-ACTIVE: R0/0: nesd: process is in steady state. *Sep 23 20:57:35.682: EXEC mode enabled on console
步骤5.现在,系统再次提示您提供一次性管理凭据。此步骤后,不要忘记更改默认密码。还建议添加其他用户。如果错过此步骤并被锁定,则需要再次重复所有步骤。
User Access Verification Username: admin Password: Router# *Sep 23 20:58:18.048: SDWAN INFO: WARNING: Please configure a new username and password; one-time user admin is removed. *Sep 23 20:58:18.155: %DMI-5-CONFIG_I: R0/0: nesd: Configured from NETCONF/RESTCONF by system, transaction-id 18 Router#confi Router#config-tr System is still initializing. Wait for PnP to be completed or terminate PnP with the following command: pnpa service discovery stop Router#pnpa service discovery stop PNP-EXEC-DISCOVERY (1): Stopping PnP Discovery... Waiting for PnP discovery cleanup .. Router# *Sep 23 20:58:48.997: %PNP-6-PNP_DISCOVERY_ABORT_ON_CLI: PnP Discovery abort on CLI input *Sep 23 20:58:48.999: %DMI-5-SYNC_START: R0/0: syncfd: External change to running configuration detected. The running configuration will be synchronized to the NETCONF running data store. *Sep 23 20:58:54.955: %DMI-5-SYNC_COMPLETE: R0/0: syncfd: The running configuration has been synchronized to the NETCONF running data store. *Sep 23 20:58:54.955: %DMI-5-ACTIVE: R0/0: syncfd: process is in steady state. *Sep 23 20:58:55.150: %DMI-5-CONFIG_I: R0/0: nesd: Configured from NETCONF/RESTCONF by system, transaction-id 181 *Sep 23 20:58:55.676: %Cisco-SDWAN-Router-SYSMGR-5-NTCE-200050: R0/0: SYSMGR: System status solid green (reason: All daemons up) Router# *Sep 23 20:59:00.083: %INSTALL-5-INSTALL_START_INFO: R0/0: install_engine: Started install commit PACKAGE *Sep 23 20:59:00.327: %INSTALL-5-INSTALL_COMPLETED_INFO: R0/0: install_engine: Completed install commit PACKAGE Router#sh ver | i register Configuration register is 0x2102 Router#sh sdwan ver *Sep 23 20:59:12.640: %PNP-6-PNP_DISCOVERY_ABORT_ON_CLI: PnP Discovery abort on CLI input *Sep 23 20:59:12.640: %PNP-6-PNP_DISCOVERY_STOPPED: PnP Discovery stopped (Discovery Aborted)16.10.3a Router# Router#sh sdwan ver 16.10.3a Router# Router#conf Router#config-tr admin connected from 127.0.0.1 using console on Router Router(config)# username admin privilege 15 secret <your password> Router(config)# username sdwan privilege 15 secret <your password> Router(config)# comm Commit complete. Router(config)# *Sep 23 21:00:59.270: %DMI-5-CONFIG_I: R0/0: nesd: Configured from NETCONF/RESTCONF by admin, transaction-id 204 Router(config)# end
步骤6.检验您是否仍有权使用新创建的用户名和密码访问设备。
Router#exit Router con0 is now available Press RETURN to get started. User Access Verification Username: admin Password: Router>en Router# Router#exit Router con0 is now available Press RETURN to get started. User Access Verification Username: sdwan Password: Router>en Router#