Cisco AIR-CAP1552H-N-K9

  1. Start the console session.

    Plug in a serial cable to "CONSOLE" port of the access point from PC COM1 port
    Open PuTTY and select "Serial" connection type, leave baud rate (Speed) and other settings as default.
    Plug in either (a) a running 56 volt power supply into the power port, or (b) a Power over Ethernet cable to the PoE port of the Access Point from the "To AP" port of the power injector:
  2. Bypass authentication for booting up.

    Press the Esc key:
    IOS Bootloader - Starting system. Xmodem file system is available. flashfs[0]: filesystem check interrupted! flashfs[0]: trying to fix no available block. flashfs[0]: erasing block 2. flashfs[0]: filesystem check interrupted! The system was interrupted or it encountered an error during initializion of the flash file system.
    Type the flash_init command:
    ap: flash_init Initializing Flash... flashfs[0]: 45 files, 3 directories flashfs[0]: 0 orphaned files, 0 orphaned directories flashfs[0]: Total bytes: 31868928 flashfs[0]: Bytes used: 5049344 flashfs[0]: Bytes available: 26819584 flashfs[0]: flashfs fsck took 17 seconds. ...done Initializing Flash.
    Type the dir flash: command and use the del flash: command with data-bearing files without pattern matching:
    ap: dir flash: Directory of flash:/ 2 -rwx 64 <date> sensord_CSPRNG1 3 -rwx 232 <date> mesh_port_cfg.txt 4 -rwx 376 <date> env_vars 19 drwx 1600 <date> c1550-k9w8-mx.153-3.JF9 14 -rwx 6168 <date> private-multiple-fs 32 drwx 640 <date> configs 6 -rwx 296 <date> capwap-saved-config 34 -rwx 41681 <date> event.log 18 -rwx 115884 <date> lwapp_reap.cfg 7 -rwx 115884 <date> lwapp_reap.cfg.bak 8 -rwx 82832 <date> lwapp_non_apspecific_reap.cfg 17 -rwx 0 <date> config.txt 26819584 bytes available (5049344 bytes used) ap: del flash:config.txt Are you sure you want to delete "flash:config.txt" (y/n)?y File "flash:config.txt" deleted ap: del flash:private-multiple-fs Are you sure you want to delete "flash:private-multiple-fs" (y/n)?y File "flash:private-multiple-fs" deleted
    Type the SWITCH_IGNORE_STARTUP_CFG=1 then the boot commands:
    ap: SWITCH_IGNORE_STARTUP_CFG=1 ap: boot Reading cookie from flash parameter block...done. Loading "flash:/c1550-k9w8-mx.153-3.JF9/c1550-k9w8-mx.153-3.JF9"...############ File "flash:/c1550-k9w8-mx.153-3.JF9/c1550-k9w8-mx.153-3.JF9" uncompressed and installed, entry point: 0x3000 executing...
  3. Log in with default credentials and erase the configuration.

    Further output should bring you to the Press RETURN to get started! prompt. Press the Enter key:
    Press RETURN to get started!
    Type cisco for the Username and Cisco case-sensitive for the Password:
    User Access Verification Username: cisco Password: Cisco
    Type enable for elevated privileges, and Cisco when prompted for a password. Check there is no left over data using the dir and del and clear capwap private-config and show vlans commands:
    ap>enable Password: Cisco AP04eb.40b6.86dc#dir Directory of flash:/ 1 -rwx 64 Mar 1 1993 00:00:20 +00:00 sensord_CSPRNG1 2 -rwx 232 Mar 1 1993 00:00:20 +00:00 mesh_port_cfg.txt 3 -rwx 376 Mar 1 1993 00:00:20 +00:00 env_vars 4 -rwx 6168 Mar 1 1993 00:02:03 +00:00 private-multiple-fs 19 drwx 1600 Nov 28 2019 18:53:09 +00:00 c1550-k9w8-mx.153-3.JF9 18 -rwx 115884 Nov 28 2019 18:53:09 +00:00 lwapp_reap.cfg 7 -rwx 115884 Nov 28 2019 18:53:09 +00:00 lwapp_reap.cfg.bak 8 -rwx 82832 Nov 28 2019 18:53:09 +00:00 lwapp_non_apspecific_reap.cfg 34 -rwx 41681 Nov 28 2019 18:53:09 +00:00 event.log 6 -rwx 296 Nov 28 2019 18:53:09 +00:00 capwap-saved-config 17 -rwx 0 Mar 1 1993 00:00:38 +00:00 config.txt 32 drwx 640 Jan 1 1970 00:04:17 +00:00 configs 31610880 bytes total (20251648 bytes free) AP04eb.40b6.86dc#del configs/* Delete filename [configs/*]? Delete flash:configs/TLV_WLAN_FEAT_STATUS_file? [confirm]y Delete flash:configs/AP_STAMODE_FALLBACK_PAYLOAD_file? [confirm]y Delete flash:configs/AP_ARPCACHE_PAYLOAD_file? [confirm]y Delete flash:configs/AP_SUBNET_BCAST_DROP_PAYLOAD_file? [confirm]y Delete flash:configs/AP_VIDEO_MCAST_GROUP_CFG_PAYLOAD_file? [confirm]y Delete flash:configs/TLV_FLEX_NATIVE_VLAN_LVL_PAYLOAD_file? [confirm]y Delete flash:configs/AP_LAYER2_ACL_MAPPING_PAYLOAD_file? [confirm]y Delete flash:configs/lwapp_aclmap.cfg? [confirm]y Delete flash:configs/lwapp_centraldhcpMap.cfg? [confirm]y Delete flash:configs/lwapp_lsaclmap.cfg? [confirm]y Delete flash:configs/TLV_FLEX_LOCAL_AUTH_PARAM_PAYLOAD_file? [confirm]y Delete flash:configs/TLV_FLEX_AVC_CONFIG_PAYLOAD_file? [confirm]y Delete flash:configs/lwapp_hreap.cfg? [confirm]y APcc46.d68c.1938#rmdir configs Remove directory filename [configs]? Delete flash:/configs? [confirm]y Removed dir flash:/configs AP04eb.40b6.86dc#del *config* Delete filename [*config*]? Delete flash:/capwap-saved-config? [confirm]y Delete flash:/config.txt? [confirm]y AP04eb.40b6.86dc#del *cfg* Delete filename [*cfg*]? Delete flash:/mesh_port_cfg.txt? [confirm]y Delete flash:/lwapp_non_apspecific_reap.cfg? [confirm]y Delete flash:/lwapp_reap.cfg.bak? [confirm]y Delete flash:/lwapp_reap.cfg? [confirm]y AP04eb.40b6.86dc#del event.* Delete filename [event.*]? Delete flash:/event.log? [confirm]y AP04eb.40b6.86dc#del sensord* Delete filename [sensord*]? Delete flash:/sensord_CSPRNG1? [confirm]y AP04eb.40b6.86dc#del env* Delete filename [env*]? Delete flash:/env_vars? [confirm]y AP04eb.40b6.86dc#del private* Delete filename [private*]? Delete flash:/private-multiple-fs? [confirm]y AP04eb.40b6.86dc#clear capwap private-config AP04eb.40b6.86dc#show vlans No Virtual LANs configured.
  4. 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.
  5. End the session.

    Turn off/unplug the device and close PuTTy.