Cisco WS-CE500 Administration Manual page 90

Networking
Configuring IPv6 Addressing
STEP 4
Cisco SA500 Series Security Appliances Administration Guide
• IPv6 Prefix Length: Enter a decimal value that indicates the number of
contiguous, higher order bits of the address that make up the network
portion of the address.
• Prefix Lifetime: Enter the maximum number of seconds that the requesting
router is allowed to use the prefix.
Click Apply to save your settings.
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