From: Ben Holko (ben.holko@datacom.com.au)
Date: Tue Jan 30 2007 - 02:39:48 ART
Hello all again,
Am going through IE on Dynamips, and cannot seem to correct the CDP
duplex mismatches that are detected.
I have tried shutting the port on the sw, changing speed/duplex to 10
half, then un shut, but it always seems to go to 100mb full?
Rack1SW1#
*Mar 1 01:55:49.071: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered
on FastEthernet1/3 (not hal
f duplex), with Rack1R3 Ethernet0/0 (half duplex).
*Mar 1 01:55:50.071: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered
on FastEthernet1/3 (not hal
f duplex), with Rack1R3 Ethernet0/0 (half duplex).
Rack1SW1#
*Mar 1 01:55:51.071: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered
on FastEthernet1/3 (not hal
f duplex), with Rack1R3 Ethernet0/0 (half duplex).
Rack1SW1#
*Mar 1 01:56:51.455: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered
on FastEthernet1/3 (not hal
f duplex), with Rack1R3 Ethernet0/0 (half duplex).
Rack1SW1#
*Mar 1 01:57:51.587: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered
on FastEthernet1/3 (not hal
f duplex), with Rack1R3 Ethernet0/0 (half duplex).
Rack1SW1#
Rack1SW1#
Rack1SW1#
Rack1SW1#show run int f1/3
Building configuration...
Current configuration : 59 bytes
!
interface FastEthernet1/3
switchport access vlan 3
end
Rack1SW1#show int f1/3
FastEthernet1/3 is up, line protocol is up
Hardware is Fast Ethernet, address is cc06.0cb8.f103 (bia
cc06.0cb8.f103)
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)
Auto-duplex, Auto-speed
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:34, 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
Rack1SW1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Rack1SW1(config)#int f1/3
Rack1SW1(config-if)#shut
Rack1SW1(config-if)#speed 10
Rack1SW1(config-if)#dup half
Rack1SW1(config-if)#
*Mar 1 01:58:35.607: %LINK-5-CHANGED: Interface FastEthernet1/3,
changed state to administratively
down
*Mar 1 01:58:36.607: %LINEPROTO-5-UPDOWN: Line protocol on Interface
FastEthernet1/3, changed state
to down
Rack1SW1(config-if)#no shut
Rack1SW1(config-if)#^Z
Rack1SW1#show run int f1/
*Mar 1 01:58:39.315: %SYS-5-CONFIG_I: Configured from console by
console
Rack1SW1#show run int f1/3
Building configuration...
Current configuration : 82 bytes
!
interface FastEthernet1/3
switchport access vlan 3
duplex half
speed 10
end
Rack1SW1#
*Mar 1 01:58:40.431: %LINEPROTO-5-UPDOWN: Line protocol on Interface
FastEthernet1/3, changed state
to up
Rack1SW1#
Rack1SW1#
Rack1SW1#show int f1/3
FastEthernet1/3 is up, line protocol is up
Hardware is Fast Ethernet, address is cc06.0cb8.f103 (bia
cc06.0cb8.f103)
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 00:00:52, 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, 4 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Rack1SW1#
*Mar 1 01:57:51.587: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered
on FastEthernet1/3 (not hal
f duplex), with Rack1R3 Ethernet0/0 (half duplex).
*Mar 1 01:57:51.587: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered
on FastEthernet1/3 (not hal
f duplex), with Rack1R3 Ethernet0/0 (half duplex).
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