[j-nsp] Subscriber DHCPv6 lease time for IA_NA from Radius Server

[Olivier Benghozi]

Maybe
liveness-detection method layer2-liveness-detection
and/or
overrides client-negotiation-match incoming-interface
so the binding just disappears quicker on the MX side?


> Le 11 mars 2020 à 11:29, Sebastian Wiesinger <sebastian at karotte.org> a écrit :
> 
> I'm currently testing IPv6 subscriber termination (PPP/L2TP) on an
> MX204 (18.4R2) and I have a bit of a problem with DHCPv6 IA_NA address
> allocation.
> 
> By default the lease time for the address is one day (86400 seconds)
> when the address is received by Radius.
> 
> The Cisco CPE configures this address on the Dialer interface which
> does not go down when the PPP session is cleared. So the address stays
> there for a day at least which is suboptimal.
> 
> We want to reduce the lease time so that it is detected sooner that
> the address is invalid and can be released / reused.
>