From: Du, Jianbo (jdu@ebay.com)
Date: Fri Mar 16 2007 - 06:15:50 ART
Hi GS,
I have a 3640 with IOS(version 12.4(10)) running in dynamips. I found
speed/duplex is 100/full even I had config speed/duplex to 100/half.
Can anyone help me figure out the root cause? Is it a IOS or dynamips
bug?
SW2#sh int status
Port Name Status Vlan Duplex Speed Type
Fa1/0 notconnect 1 auto auto
10/100BaseTX
Fa1/1 connected 1 full 100
10/100BaseTX
Fa1/2 connected 1 full 100
10/100BaseTX
Fa1/3 connected 1 full 100
10/100BaseTX
Fa1/4 connected 1 full 100
10/100BaseTX
Fa1/5 connected 1 full 100
10/100BaseTX
Fa1/6 connected 1 full 100
10/100BaseTX
Fa1/7 connected 1 full 100
10/100BaseTX
Fa1/8 connected 1 full 100
10/100BaseTX
Fa1/9 connected 1 full 100
10/100BaseTX
Fa1/10 connected 1 full 100
10/100BaseTX
Fa1/11 connected 1 full 100
10/100BaseTX
Fa1/12 connected 1 full 100
10/100BaseTX
Fa1/13 connected 1 full 100
10/100BaseTX
Fa1/14 connected 1 full 100
10/100BaseTX
Fa1/15 connected 1 full 100
10/100BaseTX
SW2# sh run int f1/7
Building configuration...
Current configuration : 57 bytes
!
interface FastEthernet1/7
duplex half
speed 100
end
SW2#sh int f1/7
FastEthernet1/7 is up, line protocol is up
Hardware is Fast Ethernet, address is cc07.0c83.f107 (bia
cc07.0c83.f107)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:01, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
SW2#
SW2# sh version
Cisco IOS Software, 3600 Software (C3640-JS-M), Version 12.4(10),
RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Wed 16-Aug-06 04:04 by prod_rel_team
ROM: ROMMON Emulation Microcode
ROM: 3600 Software (C3640-JS-M), Version 12.4(10), RELEASE SOFTWARE
(fc1)
SW2 uptime is 3 minutes
System returned to ROM by unknown reload cause - suspect
boot_data[BOOT_COUNT] 0x0, BOOT_COUNT 0, BOOTDATA 19
System image file is "tftp://255.255.255.255/unknown"
Cisco 3640 (R4700) processor (revision 0xFF) with 124928K/6144K bytes of
memory.
Processor board ID 00000000
R4700 CPU at 100MHz, Implementation 33, Rev 1.2
17 FastEthernet interfaces
DRAM configuration is 64 bits wide with parity enabled.
125K bytes of NVRAM.
8192K bytes of processor board System flash (Read/Write)
0K bytes of PCMCIA Slot0 flash (Read/Write)
Configuration register is 0x2102
SW2#
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