Cisco 897VAG-LTE
Start the console session.
Plug in serial cable to console port of device from PC COM1 port
Open PuTTY and select "Serial" connection type, leave baud rate (Speed) and other settings as default.
Plug power into device and if a power button exists, turn it on.
Reset the Router.
Press the Ctrl Break keys repeatedly, and continue doing so even after the image loads if "PASSWORD RECOVERY IS DISABLED" appears, until you see the Do you want to reset the router to factory default configuration and proceed [y/n] ? prompt:
buffer pools 0x03AECEC0 ----------------------------------------------- TOTAL: 0x03AECEC0 Rounded IOMEM up to: 58Mb. Using 6 percent iomem. [58Mb/896Mb] 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 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, C800 Software (C800-UNIVERSALK9-M), Version 15.5(3)M7, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2018 by Cisco Systems, Inc. Compiled Mon 05-Feb-18 09:54 by prod_rel_team PASSWORD RECOVERY IS DISABLED. Do you want to reset the router to factory default configuration and proceed [y/n] ? PASSWORD RECOVERY IS DISABLED. Do you want to reset the router to factory default configuration and proceed [y/n] ? PASSWORD RECOVERY IS DISABLED. Do you want to reset the router to factory default configuration and proceed [y/n] ? PASSWORD RECOVERY IS DISABLED. Do you want to reset the router to factory default configuration and proceed [y/n] ? PASSWORD RECOVERY IS DISABLED. Do you want to reset the router to factory default configuration and proceed [y/n] ? y Reset router configuration to factory default. Installed image archive [OK][OK]
Erase remaining data.
After pressing Enter when prompted, type the enable and dir commands, then use the del and rmdir commands with pattern matching to delete all the most recently modified files not ending in .bin:
Router>enable Router#dir Directory of flash:/ 1 -rw- 82617836 Apr 1 1992 11:04:00 +00:00 c800-universalk9-mz.SPA.154-3.M1.bin 2 drw- 0 Mar 24 2015 15:11:40 +00:00 managed 12 drw- 0 Mar 24 2015 15:11:42 +00:00 eem 13 -rw- 34751896 Mar 24 2015 15:14:56 +00:00 SWI9X15C_05.05.26.02_00_GENEU-4G_005.010_002-field.spk 14 -rw- 34774284 Mar 24 2015 15:16:42 +00:00 SWI9X15C_05.05.26.02_00_AU_005.009_001-field.spk 15 -rw- 88594832 Oct 27 2015 11:14:14 +00:00 c800-universalk9-mz.SPA.155-3.M.bin 16 -rw- 12668 Apr 12 2018 02:46:38 +00:00 lizqgbtr01c08.20180412024632.config 17 -rw- 12668 Apr 13 2018 06:25:26 +00:00 lizqgbtr01c08.20180413062452.config 18 -rw- 89651968 Aug 28 2018 06:50:14 +00:00 c800-universalk9-mz.SPA.155-3.M7.bin 1024557056 bytes total (693846016 bytes free) Router#rmdir eem Remove directory filename [eem]? Delete flash:/eem? [confirm]y Removed dir flash:/eem Router#dir managed Directory of flash:/managed/ 3 drw- 0 Mar 24 2015 15:11:40 +00:00 odm 8 drw- 0 Mar 24 2015 15:11:40 +00:00 scripts 11 drw- 0 Mar 24 2015 15:11:40 +00:00 reprovision 1024557056 bytes total (693862400 bytes free) Router#rmdir managed/reprovision Remove directory filename [/managed/reprovision]? Delete flash:/managed/reprovision? [confirm]y Removed dir flash:/managed/reprovision Router#del managed/odm/* Delete filename [/managed/odm/*]? Delete flash:/managed/odm/cg-dm.odm? [confirm]y Delete flash:/managed/odm/cg-nms.odm? [confirm]y Delete flash:/managed/odm/cg-dm-1.0.odm? [confirm]y Delete flash:/managed/odm/cg-nms-1.0.odm? [confirm]y Router#del managed/scripts/* Delete filename [/managed/scripts/*]? Delete flash:/managed/scripts/cg-nms-scripts.tcl? [confirm]y Delete flash:/managed/scripts/cg-nms-scripts-1.0.tcl? [confirm]y Router#rmdir managed/scripts Remove directory filename [/managed/scripts]? Delete flash:/managed/scripts? [confirm]y Removed dir flash:/managed/scripts Router#rmdir managed/odm Remove directory filename [/managed/odm]? Delete flash:/managed/odm? [confirm] Removed dir flash:/managed/odm Router#rmdir managed Remove directory filename [managed]? Delete flash:/managed? [confirm]y Removed dir flash:/managed Router#del *.config Delete filename [*.config]? Delete flash:/lizqgbtr01c08.20180412024632.config? [confirm]y Delete flash:/lizqgbtr01c08.20180413062452.config? [confirm]y Router#del *.spk Delete filename [*.spk]? Delete flash:/SWI9X15C_05.05.26.02_00_GENEU-4G_005.010_002-field.spk? [confirm]y Delete flash:/SWI9X15C_05.05.26.02_00_AU_005.009_001-field.spk? [confirm]y
Type show vlans and show license commands, followed by the erase startup-config and reload commands, confirming with y for the latter two:
Router#show vlans No Virtual LANs configured. Router#show license Index 1 Feature: advipservices Period left: Life time License Type: Permanent License State: Active, In Use License Count: Non-Counted License Priority: Medium Index 2 Feature: advsecurity Index 3 Feature: ios-ips-update Period left: Not Activated Period Used: 0 minute 0 second License Type: EvalRightToUse License State: Active, Not in Use, EULA not accepted License Count: Non-Counted License Priority: None Index 4 Feature: MEM-8XX-512U1GB Period left: Not Activated Period Used: 0 minute 0 second License Type: EvalRightToUse License State: Active, Not in Use, EULA not accepted License Count: Non-Counted License Priority: None Router#erase startup-config Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]y[OK] Erase of nvram: complete Router# *Oct 22 00:19:13.479: %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram Router#reload Proceed with reload? [confirm]y *Oct 22 00:19:27.939: %SYS-5-RELOAD: Reload requested by console. Reload Reason: Reload Command.
Copy all the output from the session into your records.
Right-click PuTTY's titlebar, from that dropdown menu click on "Copy All to Clipboard"
Open the file of record certifying the deconfiguration of this device and use CTRL V to paste all the output from PuTTY into that file. Formatting the text with a fixed-width font helps it look more readable.
End the session.
Close PuTTy.