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rwagner
Beginner

Config-Register

I have been going through the config-register and I know the following to be true:

0x210X = 9600 baud

0x212X = 19200 baud

0x312X = 57600 baud

0xXXX0 = ROM

0xXXX1 = Bootstrap

0xXXX2 = Normal

The problem is the ignore value of 0x2142.

My question is "Does anyone know why it is 0x2142?"  If 2 is normal NVRAM then does that mean that the prefix of 0x214X is the ignore value?  What is special about it?  I am just really curious about how this value was selected to be the ignore value.  If anyone knows of any resources about config-register values and how they relate please let me know.

1 ACCEPTED SOLUTION

Accepted Solutions

0xXX2X = bit 5 set = 19200

0xX8XX = bit 11 set = 4800

0x1XXX = bit 12 set = 1200

See also http://www.cisco.com/en/US/docs/routers/access/1800/1841/software/configuration/guide/b_creg.html, Table 4.

When all bits are cleared (0) it is the default rate of 9600.

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4 REPLIES 4
rwagner
Beginner

Someone just replied to another post on another site.

The value of 0xXX4X is the ignore NVRAM Value.

here is the link i was looking for:

http://www.cisco.com/en/US/products/hw/routers/ps133/products_tech_note09186a008022493f.shtml