From: Stephen Hemminger <stephen@networkplumber.org>
To: Fernando Gont <fgont@si6networks.com>
Cc: netdev@vger.kernel.org, David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] Implement draft-ietf-6man-rfc4941bis
Date: Sun, 12 Apr 2020 22:22:05 -0700 [thread overview]
Message-ID: <20200412222205.04cb37cc@hermes.lan> (raw)
In-Reply-To: <20200408104458.GA15473@archlinux-current.localdomain>
On Wed, 8 Apr 2020 07:44:58 -0300
Fernando Gont <fgont@si6networks.com> wrote:
> Implement the upcoming rev of RFC4941 (IPv6 temporary addresses):
> https://tools.ietf.org/html/draft-ietf-6man-rfc4941bis-09
>
> * Reduces the default Valid Lifetime to 2 days
> This reduces stress on network elements, among other things
>
> * Employs different IIDs for different prefixes
> To avoid network activity correlation among addresses configured
> for different prefixes
>
> * Uses a simpler algorithm for IID generation
> No need to store "history" anywhere
>
> Signed-off-by: Fernando Gont <fgont@si6networks.com>
> ---
> Documentation/networking/ip-sysctl.txt | 2 +-
> include/net/addrconf.h | 2 +-
> include/net/if_inet6.h | 1 -
> net/ipv6/addrconf.c | 85 +++++++++++---------------
> 4 files changed, 38 insertions(+), 52 deletions(-)
>
> diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
> index ee961d322d93..db1ee7340090 100644
> --- a/Documentation/networking/ip-sysctl.txt
> +++ b/Documentation/networking/ip-sysctl.txt
> @@ -1807,7 +1807,7 @@ use_tempaddr - INTEGER
>
> temp_valid_lft - INTEGER
> valid lifetime (in seconds) for temporary addresses.
> - Default: 604800 (7 days)
> + Default: 172800 (2 days)
You can't change defaults for existing users without a really good
argument.
next prev parent reply other threads:[~2020-04-13 5:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-08 10:44 [PATCH net-next] Implement draft-ietf-6man-rfc4941bis Fernando Gont
2020-04-12 17:50 ` Jakub Kicinski
2020-04-13 5:22 ` Stephen Hemminger [this message]
2020-04-13 6:04 ` Fernando Gont
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