>[оверквотинг удален]
>>> Ждите! Ждите!
>>> ....
>>> У вас неправильные настройки на коммутаторах.
>> Настройки минимальные
>> Switch(config)#spanning-tree vlan 1
>> Такой конфиг на всех коммутаторах
> А sh spanning-tree с каждого коммутатора?
> А настройки портов sh run int?
> А sh logging с коммутаторов после сбоя SW5?
> А debug spanning-tree event?Лог с Root коммутатора
Switch#sh spanning-tree
VLAN0001
Spanning tree enabled protocol ieee
Root ID Priority 32769
Address 0005.5EE4.7E64
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
Address 0005.5EE4.7E64
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Aging Time 20
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Fa0/1 Desg FWD 19 128.1 P2p
Fa0/2 Desg FWD 19 128.2 P2p
Такой конфиг на всех коммутаторах
interface FastEthernet0/1
switchport trunk allowed vlan 1
switchport mode trunk
!
interface FastEthernet0/2
switchport trunk allowed vlan 1
switchport mode trunk
!
interface FastEthernet0/3
switchport trunk allowed vlan 1
switchport mode trunk
Результат комманды sh logging со всех коммутаторов одинаковый
Switch#sh logging
Syslog logging: enabled (0 messages dropped, 0 messages rate-limited,
0 flushes, 0 overruns, xml disabled, filtering disabled)
No Active Message Discriminator.
No Inactive Message Discriminator.
Console logging: level debugging, 12 messages logged, xml disabled,
filtering disabled
Monitor logging: level debugging, 0 messages logged, xml disabled,
filtering disabled
Buffer logging: disabled, xml disabled,
filtering disabled
Logging Exception size (4096 bytes)
Count and timestamp logging messages: disabled
Persistent logging: disabled
No active filter modules.
ESM: 0 messages dropped
Trap logging: level informational, 12 message lines logged
Debug не поддерживает
Switch(config)#do sh ver
Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6Q4L2-M), Version 12.1(22)EA4, RELEASE SOFTWARE(fc1)
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Wed 18-May-05 22:31 by jharirba
Image text-base: 0x80010000, data-base: 0x80562000
ROM: Bootstrap program is is C2950 boot loader
Switch uptime is 24 minutes, 13 seconds
System returned to ROM by power-on
Cisco WS-C2950-24 (RC32300) processor (revision C0) with 21039K bytes of memory.
Processor board ID FHK0610Z0WC
Last reset from system-reset
Running Standard Image
24 FastEthernet/IEEE 802.3 interface(s)
63488K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 0005.5EE4.7E64
Motherboard assembly number: 73-5781-09
Power supply part number: 34-0965-01
Motherboard serial number: FOC061004SZ
Power supply serial number: DAB0609127D
Model revision number: C0
Motherboard revision number: A0
Model number: WS-C2950-24
