Dell PowerConnect M6348 Cli Reference Manual page 578

preferred-lifetime — Preferred lifetime for delegated prefix. (Range: 0-4294967295 seconds)
•
Default Configuration
preferred-lifetime
2592000 seconds is the default value for . 604800 seconds is the default value
valid-lifetime
for .
Command Mode
IPv6 DHCP Pool Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example defines a Multiple IPv6 prefix and client DUID within a pool for
distributing to specific DHCPv6 Prefix delegation clients.
console(config)#ipv6 dhcp pool addrpool
console(config-dhcp6s-pool)#prefix-delegation 2020:1::1/64
00:01:00:09:f8:79:4e:00:04:76:73:43:76
service dhcpv6
Use the service dhcpv6 command in Global Configuration mode to enable DHCPv6
configuration on the router.
Syntax
service dhcpv6
no service dhcpv6
Default Configuration
Enabled is the default state.
Command Mode
Global Configuration mode
User Guidelines
This command has no user guidelines.
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