Centec V580-48X6Q
Start the console session.
Plug in serial cable to device from PC COM1 port
Open PuTTY and select "Serial" connection type, change baud rate (Speed) to 115200 and leave other settings as default.
Plug power into device and if a power button exists, turn it on.
Access the switch prompt.
Press Ctrl B when prompted and before the countdown ends:
U-Boot 2013.01-svn20156 (Feb 16 2017 - 17:48:43) - V8.1.3 CPU: P1010, Version: 2.0, (0x80f10020) Core: E500, Version: 5.2, (0x80212152) Clock Configuration: CPU0:528.013 MHz, CCB:264.007 MHz, DDR:330.008 MHz (660.017 MT/s data rate) (Asynchronous), IFC:66.002 MHz L1: D-cache 32 kB enabled I-cache 32 kB enabled DRAM: Configuring DDR for 660.017 MT/s data rate 1 GiB (DDR3, 32-bit, CL=6, ECC off) Flash: 512 KiB L2: 256 KB enabled NAND: 2048 MiB EEPROM: TlvInfo v1 len=98 PCIe1: Root Complex of Slot 1, no link, regs @ 0xffe0a000 PCIe1: Bus 00 - 00 PCIe2: Root Complex of Slot 2, no link, regs @ 0xffe09000 PCIe2: Bus 01 - 01 In: serial Out: serial Err: serial Net: eTSEC2 [PRIME] NAND read: device 0 offset 0x200000, size 0x400000 4194304 bytes read: OK Press ctrl+b to stop autoboot: 0
Type the boot_flash_nopass command:
Bootrom:>boot_flash_nopass Loading Image from flash without passwd ... UBI: attaching mtd1 to ubi0 …
Further output will take you to "Press RETURN to get started." Press Enter for the Switch> prompt
Erase configuration and restart.
Type the enable command then the dir flash: command and use pattern matching with the delete command to erase configuration and log files:
Switch> enable Switch# dir flash: Directory of flash: total 432 drwxr-xr-x 2 576 Apr 20 2022 boot drwxr-xr-x 3 296 May 20 2020 conf drwxr-xr-x 2 224 May 20 2020 info drwxr-xr-x 2 288 May 20 2020 log drwxr-xr-x 2 232 May 20 2020 reboot-info -rw-r--r-- 1 1238 Jan 1 00:00 startup-config.conf -rw-r--r-- 1 6404 Apr 20 2022 startup-config.conf.old -rw-r--r-- 1 429643 Apr 28 2022 syslog drwxr-xr-x 2 24736 Apr 19 2022 syslogfile Total 887.00M bytes (848.00M bytes free) Switch# delete flash:conf/* Are you sure to delete flash:conf/* ? [no]y Switch# delete flash:info/* Are you sure to delete flash:info/* ? [no]y flash:/info/diaglog Switch# delete flash:log/* Are you sure to delete flash:log/* ? [no]y flash:/log/lastlog flash:/log/wtmp Switch# delete flash:syslogfile/* Are you sure to delete flash:syslogfile/* ? [no]y flash:/syslogfile/syslogfile-2021-11-08-18-39-02.log.gz flash:/syslogfile/syslogfile-2021-11-09-09-29-52.log.gz Switch# delete flash:sys* Are you sure to delete flash:sys* ? [no]y flash:/syslog Switch# delete flash:startup* Are you sure to delete flash:startup* ? [no]y flash:/startup-config.conf flash:/startup-config.conf.old
Type the clear command with each of the following parameters:
Switch# clear statistic ip access-list Switch# clear statistic mac access-list Switch# clear web session all [OK] Switch# clear ip sla statistics Switch# clear logging buffer Switch# clear dhcp client statistics Switch# clear dhcp relay statistics Switch# clear arp-cache Switch# clear login-security record
Type the reload to cleanly shutdown the system:
Switch# reload Building configuration... Startup config file is not exist. Copy running config to Startup config? [yes/no]: n Reboot system? [confirm]y Waiting .......... % Connection is closed by administrator! success Con0 is now available. Press RETURN to get started. The system is going down NOW! zebra[3051]: connection to the FPM has gone down: closed socket in read zebra[3051]: Terminating on signal zebra[3051]: IRDP: Received shutdown notification. Sent SIGTERM to all processeshunks: Released zebra[3051]: client 12 disconnected. 0 ospf routes removed from the rib zebra[3051]: release_daemon_chunks: Released 0 label chunks zebra[3051]: client 13 disconnected. 0 pim routes removed from the rib zebra[3051]: release_daemon_chunks: Released 0 label chunks zebra[3051]: client 14 disconnected. 0 system routes removed from the rib Sent SIGKILL to all processes Requesting system reboot Restarting system.
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.
Turn off/unplug the device and close PuTTy.