Spectracom SecureSync User Reference Manual page 132

3.4 Network Time Protocol (NTP)
5.
Click the Submit button: The changes will be reflected in the table of the NTP Symmetric
Keys window, which is displayed after clicking the Submit button.
6.
The key(s) you have set up will now appear as options in the Symmetric Key field in both
the NTP Server screen, and the NTP Peer screen.
116
MD5 (the default)
SHA1
SHA
MDC2
MDC2
RIPEMD160
MD4
Key Str —The key string must be readable ASCII and between 1 and 16 characters
long.
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3 SecureSync User Reference Guide Rev. 18