setting preferred and valid lifetimes, T1 and T2, using dhclient.conf

Mudric, Dusan (Dusan) dmudric at avaya.com
Wed Jun 17 20:15:56 UTC 2015


Hi DHCPv6 experts,

I need help finding out how to set dhcpd6 client's IA_NA address preferred and valid lifetimes, and IA_NA T1 and T2, using dhclient.conf configuration file.

rfc3315#section-22.4
" If the time at which the addresses in an IA_NA are to be renewed is to be left to the discretion of the client, the server sets T1 and T2 to 0."

The Internet Systems Consortium DHCP Client uses hard coded default values:
- T1=3600, 
- T2=5400, 
- Preferred lifetime=7200, and 
- Valid lifetime=7500.

Which http://linux.die.net/man/5/dhclient.conf options can be used to change these values when the server sets T1=T2=0?

Thanks,
Dusan Mudric.


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