BSW2#sh ver
Cisco Internetwork Operating System Software 
IOS (tm) C3550 Software (C3550-I5Q3L2-M), Version 12.1(13)EA1a, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 25-Mar-03 23:42 by yenanh
Image text-base: 0x00003000, data-base: 0x007C34B0

ROM: Bootstrap program is C3550 boot loader

BSW2 uptime is 14 hours, 32 minutes
System returned to ROM by power-on
System image file is "flash:c3550-i5q3l2-mz.121-13.EA1a/c3550-i5q3l2-mz.121-13.EA1a.bin"

cisco WS-C3550-24 (PowerPC) processor (revision J0) with 65526K/8192K bytes of memory.
Processor board ID CAT0737Y23J
Last reset from warm-reset
Bridging software.
Running Layer2/3 Switching Image

Ethernet-controller 1 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 2 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 3 has 1 Gigabit Ethernet/IEEE 802.3 interface

Ethernet-controller 4 has 1 Gigabit Ethernet/IEEE 802.3 interface

24 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)

The password-recovery mechanism is enabled.
384K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:0D:BC:DE:54:00
Motherboard assembly number: 73-5700-10
Power supply part number: 34-0966-03
Motherboard serial number: CAT073707E0
Power supply serial number: DTH0736151B
Model revision number: J0
Motherboard revision number: A0
Model number: WS-C3550-24-EMI
System serial number: CAT0737Y23J
Configuration register is 0x10F

BSW2#
BSW2#
BSW2#sh run
Building configuration...

Current configuration : 4031 bytes
!
version 12.1
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname BSW2
!
no logging console
enable password cyberus
!
ip subnet-zero
ip routing
no ip domain-lookup
!
vtp domain lab51
vtp mode transparent
!
spanning-tree mode pvst
spanning-tree extend system-id
!
!
!
interface Port-channel44
 no switchport
 ip address 3.3.3.3 255.255.255.0
 duplex full
!
!
interface FastEthernet0/3
 description BSW2 0/3 to BSW1 0/3
 no switchport
 no ip address
 duplex full
 speed 100
 channel-group 44 mode desirable
!
interface FastEthernet0/4
 description BSW1 0/4 to BSW2 0/4
 no switchport
 no ip address
 duplex full
 speed 100
 channel-group 44 mode desirable
!
BSW2#