[inet-admins] duplex

[Yuri Vorobyev <vorob@yamalinfo.ru>]

Hello!

      Господа, cisco 3640 с NM-2E2W
      IOS (tm) 3600 Software (C3640-IS-M), Version 12.0(7)T

interface Ethernet0/1
 description Clients
 no ip address
 no ip directed-broadcast
 full-duplex

      воткнута в коммутатор cisco 2924
      IOS (tm) C2900XL Software (C2900XL-C3H2S-M), Version 12.0(5)XU

interface FastEthernet0/24
 duplex full
 speed 10
 switchport trunk encapsulation dot1q
 switchport mode trunk

      С роутера на сислог валятся вот какие сообщения:

%CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on Ethernet0/1 (not
full duplex), with cat2924 FastEthernet0/24 (full  duplex).

      Вопрос извечный: "что делать?" :)

      Вот некоторая диагностика:
-----------------------------------------
#sh controllers eth 0/1
Interface Ethernet0/1
Hardware is AMD Presidio2
ADDR: 61713B04, FASTSEND: 6002A670, MCI_INDEX: 0
DIST ROUTE ENABLED: 0
Route Cache Flag: 1
[skip]
 BCR9 =0x00000001 (full-duplex)
[skip]
-----------------------------------------
#sh int eth 0/1
Ethernet0/1 is up, line protocol is up
  Hardware is AmdP2, address is 0010.7b50.e5a2 (bia 0010.7b50.e5a2)
  Description: Clients
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
     reliability 255/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive set (10 sec)
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:13, output 00:00:00, output hang never
  Last clearing of "show interface" counters never
  Queueing strategy: fifo
  Output queue 0/40, 0 drops; input queue 0/75, 0 drops
  5 minute input rate 24000 bits/sec, 11 packets/sec
  5 minute output rate 45000 bits/sec, 11 packets/sec
     2752 packets input, 693203 bytes, 0 no buffer
     Received 10 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
     2706 packets output, 1817524 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

Тут ошибок нет.
     
-----------------------------------------
#sh int fa 0/24
FastEthernet0/24 is up, line protocol is up
  Hardware is Fast Ethernet, address is 0002.4b83.fb18 (bia 0002.4b83.fb18)
  MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
     reliability 219/255, txload 1/255, rxload 1/255
  Encapsulation ARPA, loopback not set
  Keepalive not set
  Full-duplex, 10Mb/s, 100BaseTX/FX
  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:25, output 00:00:00, output hang never
  Last clearing of "show interface" counters 00:07:22
  Queueing strategy: fifo
  Output queue 0/40, 0 drops; input queue 0/75, 0 drops
  5 minute input rate 65000 bits/sec, 9 packets/sec
  5 minute output rate 27000 bits/sec, 15 packets/sec
     3059 packets input, 3037231 bytes
     Received 15 broadcasts, 1234 runts, 0 giants, 0 throttles
     1235 input errors, 0 CRC, 1 frame, 0 overrun, 0 ignored
     0 watchdog, 7 multicast
     0 input packets with dribble condition detected
     5550 packets output, 1146979 bytes, 0 underruns
     0 output errors, 0 collisions, 0 interface resets
     0 babbles, 0 late collision, 0 deferred
     0 lost carrier, 0 no carrier
     0 output buffer failures, 0 output buffers swapped out
Ошибки!!!
-----------------------------------------

-- 
Yuri Vorobyev                                       vorob@yamalinfo.ru
www.yamalinfo.ru                                        +7-34922-47791


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