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Re: IPv6 certification - IPv6 Router Advertisement Lifetime 0 and Reachable time 10 seconds

Nick Hilliard <nick@foobar.org> Mon, 25 January 2021 15:09 UTC

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Subject: Re: IPv6 certification - IPv6 Router Advertisement Lifetime 0 and Reachable time 10 seconds
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
Cc: ipv6@ietf.org
References: <CAGeZV=Q=awxFd=vsfBiBC2vt7o3Wkm9ECMSi+UU90ATKmHY32Q@mail.gmail.com> <BAB67E82-9BE8-4E7A-8548-5475E93FD137@employees.org> <CAGeZV=T4B5m7RYrKL4a4peQjZAoJiUqNv7V=0iaz5VdWeSTKng@mail.gmail.com> <08841dc2-9a4e-dacb-174a-a8f4cdfca1c7@gmail.com> <b0b05fa4-532f-98cd-ac41-28cc716a23df@foobar.org> <9ea964a1-4722-c8b4-5c95-e0883b162bf1@gmail.com>
From: Nick Hilliard <nick@foobar.org>
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Date: Mon, 25 Jan 2021 15:09:31 +0000
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Alexandre Petrescu wrote on 25/01/2021 14:44:
> YEs, it means to not install rhis router now as a default router, but 
> maybe do it later.

it means:

>     A Lifetime of 0 indicates that the router is not a
>     default router and SHOULD NOT appear on the default
>     router list.

+ other stuff like:

>    Note that system management may disable a router's IP forwarding
>    capability (i.e., changing the system from being a router to being a
>    host), a step that does not necessarily imply that the router's
>    interfaces stop being advertising interfaces.  In such cases,
>    subsequent Router Advertisements MUST set the Router Lifetime field
>    to zero.

Can you point the bit where RA Lifetime = 0 means "maybe do it later"?

Nick

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