Switch#show hard
Cisco Internetwork Operating System Software
IOS (tm) C3550 Software (C3550-I5Q3L2-M), Version 12.1(20)EA1a, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2004 by cisco Systems, Inc.
Compiled Mon 19-Apr-04 21:50 by yenanh
Image text-base: 0x00003000, data-base: 0x008273B8
ROM: Bootstrap program is C3550 boot loader
Switch uptime is 8 weeks, 1 hour, 30 minutes
System returned to ROM by power-on
System image file is "flash:c3550-i5q3l2-mz.121-20.EA1a.bin"
cisco WS-C3550-24 (PowerPC) processor (revision G0) with 65526K/8192K bytes of memory.
Processor board ID CHK0652V1QN
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: 00:0B:BE:E6:51:80
Motherboard assembly number: 73-5700-09
Power supply part number: 34-0966-02
Motherboard serial number: CAT065202Z0
Power supply serial number: DCA065120CS
Model revision number: G0
Motherboard revision number: A0
Model number: WS-C3550-24-SMI
System serial number: CHK0652V1QN
Configuration register is 0x10F
==================================================================
Switch#show ip cache flow
IP packet size distribution (8 total packets):
1-32 64 96 128 160 192 224 256 288 320 352 384 416 448 480
.000 .000 .000 1.00 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000
512 544 576 1024 1536 2048 2560 3072 3584 4096 4608
.000 .000 .000 .000 .000 .000 .000 .000 .000 .000 .000
IP Flow Switching Cache, 278544 bytes
2 active, 4094 inactive, 2 added
22 ager polls, 0 flow alloc failures
Active flows timeout in 30 minutes
Inactive flows timeout in 15 seconds
last clearing of statistics never
Protocol Total Flows Packets Bytes Packets Active(Sec) Idle(Sec)
-------- Flows /Sec /Flow /Pkt /Sec /Flow /Flow
SrcIf SrcIPaddress DstIf DstIPaddress Pr SrcP DstP Pkts
Vl3 20.0.1.2 Local 20.0.1.254 01 0000 0000 4
Vl3 20.0.1.3 Local 20.0.1.254 01 0000 0000 4