Last day my Cisco 4507 switch configuration got erased completely. Even startup configuration was blank. The show version output is shown below.
Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500-ENTSERVICESK9-M),
Version 12.2(40)SG, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Compiled Wed 07-Nov-07 18:00 by prod_rel_team
Image text-base: 0x10000000, data-base: 0x11ADF0B8
Dagobah Revision 226, Swamp Revision 32
JEDFOBCF0SW01 uptime is 2 weeks, 2 days, 13 hours, 32 minutes
Uptime for this control processor is 2 weeks, 2 days, 13 hours, 32 minutes
System returned to ROM by power-on
System image file is "bootflash:cat4500-entservicesk9-mz.122-40.SG.bin"
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States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
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cisco WS-C4507R-E (MPC8245) processor (revision 14) with 524288K bytes of memory
Processor board ID FOX1217G8TA
MPC8245 CPU at 333Mhz, Supervisor IV
Last reset from PowerUp
18 Virtual Ethernet interfaces
22 Gigabit Ethernet interfaces
403K bytes of non-volatile configuration memory.
Configuration register is 0x2101
Kindly help on identifying the problem.