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Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 20 Security Reference
20.4.2 Shared Secrets
The stronger your shared secret, the more secure are the attributes (for example, those used for
passwords and encryption keys) that are encrypted with it. An example of a strong shared secret is
8d#>9fq4bV)H7%a3.
Table 20-5
Shared Secret Character Groups
Group
Examples
Letters (uppercase and lowercase)
A, B, C, D and a, b, c, d
Numerals
0, 1, 2, 3
Symbols (all characters not defined as letters or
numerals)
Exclamation point (!), asterisk (*), colon (:)
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