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C800-IOS-Restore - История изменений
2026-04-04T06:15:10Z
История изменений этой страницы в вики
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Sirmax в 16:28, 21 января 2024
2024-01-21T16:28:12Z
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Sirmax
https://noname.com.ua/mediawiki/index.php?title=C800-IOS-Restore&diff=12493&oldid=prev
Sirmax: Новая страница: «=Восстановление IOS на Cisco 871= Это заметка что бы не забыть =Предистория= после команды <PRE...»
2024-01-21T12:13:45Z
<p>Новая страница: «=Восстановление IOS на Cisco 871= Это заметка что бы не забыть =Предистория= после команды <PRE...»</p>
<p><b>Новая страница</b></p><div>=Восстановление IOS на Cisco 871=<br />
<br />
Это заметка что бы не забыть<br />
<br />
=Предистория=<br />
<br />
после команды <br />
<PRE><br />
gw#erase startup-config<br />
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]<br />
[OK]<br />
Erase of nvram: complete<br />
gw#<br />
*Nov 21 21:33:35.362: %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram<br />
gw#reload<br />
</PRE><br />
ЖЕлезка окирпичилась и не грузится, рушается на флеш<br />
<PRE><br />
Filesystem "flash:" not checked -- I/O error<br />
rommon 10 ><br />
System Bootstrap, Version 12.3(8r)YI4, RELEASE SOFTWARE<br />
Technical Support: http://www.cisco.com/techsupport<br />
Copyright (c) 2006 by cisco Systems, Inc.<br />
<br />
C870 series (Board ID: 3-148) platform with 196608 Kbytes of main memory<br />
<br />
flashfs[0]: Checking block 1...bad block number (31551)<br />
flashfs[0]: erasing block 1...done.<br />
flashfs[0]: Checking block 3...bad block number (31551)<br />
flashfs[0]: erasing block 3...done.<br />
</PRE><br />
<br />
=Решение=<br />
С USB грузится не вышло (похоже огрангичение платформы)<br />
<br />
==format==<br />
Формат помог решить проблему с флешем - после форматирования стал доступен<br />
<PRE><br />
rommon 2 > format flash:<br />
Are you sure you want to format "flash:" (all data will be lost) (y/n)?y<br />
Formatting filesystem, please wait 120 seconds<br />
Filesystem "flash:" formatted<br />
rommon 3 > dir<br />
<br />
List of filesystems currently registered:<br />
<br />
flash[0]: (read-write)<br />
<br />
rommon 4 ><br />
</PRE><br />
<br />
==Загрузка IOS из rommon==<br />
* Важно: кабель включить в 1 порт (Fa0)<br />
* Выставить переменые<br />
<PRE><br />
TFTP_FILE=c870-advipservicesk9-mz.124-24.T5.bin<br />
IP_ADDRESS=192.168.22.22<br />
IP_SUBNET_MASK=255.255.255.0<br />
DEFAULT_GATEWAY=192.168.22.1<br />
TFTP_SERVER=192.168.1.223<br />
TFTP_CHECKSUM=0<br />
</PRE><br />
Запустить загррузку - <code>tftpdnld</code><br />
<PRE><br />
rommon 19 > tftpdnld<br />
<br />
IP_ADDRESS: 192.168.22.22<br />
IP_SUBNET_MASK: 255.255.255.0<br />
DEFAULT_GATEWAY: 192.168.22.1<br />
TFTP_SERVER: 192.168.1.223<br />
TFTP_FILE: c870-advipservicesk9-mz.124-24.T5.bin<br />
Do you wish to continue? y/n: [n]: y<br />
<br />
Performing tftpdnld over Fast Enet.<br />
Initializing interface.<br />
Interface link state up.<br />
ARPing for 192.168.22.1<br />
ARP reply for 192.168.22.1 received. MAC address 00:02:2d:11:22:33<br />
Receiving c870-advipservicesk9-mz.124-24.T5.bin from 192.168.1.223 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!<br />
File reception completed.<br />
Writing flash:/c870-advipservicesk9-mz.124-24.T5.bin<br />
Write operation will take approximately 133 to 400 seconds<br />
</PRE><br />
<br />
<PRE><br />
rommon 21 > dir flash:<br />
Directory of flash:/<br />
<br />
2 -rwx 21877504 <date> c870-advipservicesk9-mz.124-24.T5.bin<br />
<br />
5728256 bytes available (21882880 bytes used)<br />
</PRE><br />
<br />
<PRE><br />
rommon 22 > boot flash:/c870-advipservicesk9-mz.124-24.T5.bin<br />
Booting flash:/c870-advipservicesk9-mz.124-24.T5.bin<br />
Self decompressing the image : ########################################################################################## [OK]<br />
<br />
</PRE></div>
Sirmax