1. Connect to switch via console cable
2. Power on the switch (or reboot by pressing the Reset switch on the front panel)
3. Immediately press CTRL+C to enter the ‘Boot System >>> Main Menu <<<’
FSM 726 V2 Boot System
Version 1.0.12 / Aug 14 2006 11:27:10
>>> Main Menu <<<
TCP/[I]P Configuration
[S]oftware Upgrade
[J]ump to Runtime Code
Command>
4. Press Ctrl+D to enter the ‘Boot System >>> Debug Menu <<<’
FSM 726 V2 Boot System
>>> Debug Menu <<<
[0]. Multiple Read Memory
[1]. Read Memory
[2]. Write Memory
[3]. BCM Access
[4]. PHY Access
[5]. Flash Access
[6]. Show ETC_SOC Debug
[7]. Dump L2 Table
[Q]uit to Previous Menu
Command>
5. Press ‘5’ for ‘Flash Access’
6. Press ‘2’ for ‘bank 0 – Flash erase’
7. For ‘Start of sector #:’ enter 23
8. For ‘End of sector #:’ enter 31
9. Enter ‘y’ to confirm
10. Press ‘Q’, ‘Q’ then ‘J’ for ‘[J]ump to Runtime Code’
Wait about 7 seconds and the switch should reset to factory defaults, something like…
Decompressing ...OK
SPI unit 0: Dev 0xbc20, Rev 0x02, Chip BCM5324_A2, Driver BCM5324_A1
PCI unit 1: Dev 0x4713, Rev 0x06, Chip BCM4713_A0, Driver BCM4713_A0
Attaching SOC unit 0... SPI device BCM5324_A2 attached as unit 0.
Attaching SOC unit 1... Broadcom BCM47xx 10/100 Mbps Ethernet Controller 2002.9.27.0
Start to reset system database back to factory default...
Reset to default........... OK