На всякий случай привожу sho ver

Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(13)EA1c, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 24-Jun-03 17:31 by yenanh
Image text-base: 0x80010000, data-base: 0x805A8000

ROM: Bootstrap program is CALHOUN boot loader

m9switches uptime is 16 weeks, 5 days, 5 hours, 31 minutes
System returned to ROM by power-on
System restarted at 14:18:53 MSK Thu Jul 31 2003
System image file is "flash:/c2950-i6q4l2-mz.121-13.EA1c.bin"

cisco WS-C2950-24 (RC32300) processor (revision F0) with 20839K bytes of memory.
Processor board ID FHK0637Z07V
Last reset from system-reset
Running Standard Image
24 FastEthernet/IEEE 802.3 interface(s)

32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:0A:F4:58:A0:40
Motherboard assembly number: 73-5781-11
Power supply part number: 34-0965-01
Motherboard serial number: FOC06360UHJ
Power supply serial number: PHI06310A79
Model revision number: F0
Motherboard revision number: A0
Model number: WS-C2950-24
System serial number: FHK0637Z07V
Configuration register is 0xF