Motorola WS5100 Series Reference Manual page 134

4-52 WS5100 Series Switch System Reference Guide
5. Select the Broadcast Key Rotation
MUs.
Only broadcast key changes when required by associated MUs to reduce the transmissions of sensitive
key information. This value is enabled by default.
6. Refer to the
encryption-key changes to MUs.
Set key broadcasts to a shorter interval (at least 60 seconds) for tighter security on wireless connections.
Set key broadcasts to a longer interval (at most, 86400 seconds) to extend key times for wireless
connections. The default is 7200 seconds.
7. Configure the
ASCII Passphrase
256-bit Key
Default (hexadecimal) 256-bit keys for WPA/TKIP include:
• 1011121314151617
• 18191A1B1C1D1E1F
• 2021222324252627
• 28292A2B2C2D2E2F
checkbox to enable the broadcasting of encryption-key changes to
Update broadcast keys every
Key Settings field as needed to set an ASCII Passphrase and key values.
To use an ASCII passphrase (and not a hexadecimal value), select the checkbox
and enter an alphanumeric string of 8 to 63 characters. The alphanumeric string
allows character spaces. The
passphrase saves the administrator from entering the 256-bit key each time keys
are generated.
To use a hexadecimal value (and not an ASCII passphrase), select the checkbox
and enter 16 hexadecimal characters into each of the four fields displayed.
field to specify a time period (in seconds) for broadcasting
switch
converts the string to a numeric value. This