11-03-2009 04:33 PM - edited 03-06-2019 08:26 AM
Working some basic configs on a Cisco 871W that looked like had never been out of the box. (Did buy it on ebay). That said, just doing some basic config and testing it is not keeping the config that has been done. Just doing a simple change hostname and did both wr mem as well as copy running-config startup-config and it shows build and says ok but still when doing a reload for testing it resorts back to the default settings. Anyone give any suggestions on this?
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11-03-2009 07:15 PM
Please check the config-register is set to 0x2102.
11-03-2009 04:52 PM
Post a show version
11-03-2009 07:15 PM
Please check the config-register is set to 0x2102.
11-04-2009 02:33 AM
Appreciate your feedback on that. I noticed that it was not set to that when I did some troubleshooting. I figured out how to change it to the correct setting. It seems to have resolved the issue. Appreciate your insight on the matter. Can you take a moment to explain what exactly that is and why it would have been that way fresh out of the box?
11-04-2009 02:24 AM
Router#sho ver
Cisco IOS Software, C870 Software (C870-ADVSECURITYK9-M), Version 12.3(8)YI1, RE LEASE SOFTWARE (fc1)
Synched to technology version 12.3(10.3)T2
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Fri 22-Apr-05 14:57 by ealyon
ROM: System Bootstrap, Version 12.3(8r)YI, RELEASE SOFTWARE
ROM: Cisco IOS Software, C870 Software (C870-ADVSECURITYK9-M), Version 12.3(8)YI 1, RELEASE SOFTWARE (fc1)
Router uptime is 10 hours, 3 minutes
System returned to ROM by reload
System image file is "flash:c870-advsecurityk9-mz.123-8.YI1.bin"
Last reload reason: Reload command
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Importers, exporters, distributors and users are responsible for
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If you require further assistance please contact us by sending email to
Cisco 871W (MPC8272) processor (revision 0x100) with 236544K/25600K bytes of mem ory.
Processor board ID FHK094012GQ
MPC8272 CPU Rev: Part Number 0xC, Mask Number 0x10
5 FastEthernet interfaces
1 802.11 Radio
128K bytes of non-volatile configuration memory.
24576K bytes of processor board System flash (Intel Strataflash)
Configuration register is 0x2142
11-04-2009 02:25 AM
Appreciate you looking at it.
11-04-2009 07:41 AM
The config-register is modified to do a password recovery. When its set to 0x2142, each time you reload therouter it just cleans up the config. After we get a fresh config, we boot into and set a new password and copy the config over. After this is done, we have to change the config-register to 0x2102 so that it retains the config even after the device is reloaded.
Hope this helps!!
11-04-2009 03:15 PM
The information you provided to me helped tremendously. I appreciate you taking the time to first provide insight to the problem and also give the reason it was doing what it did. Thank you very much!
Scott
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