From 9e371b0ba7f5344b071ff813b7dddade8ba7f8c4 Mon Sep 17 00:00:00 2001 From: Fernando Fernandez Mancera Date: Sat, 14 Feb 2026 18:25:43 +0100 Subject: [PATCH] ipv6: addrconf: reduce default temp_valid_lft to 2 days This is a recommendation from RFC 8981 and it was intended to be changed by commit 969c54646af0 ("ipv6: Implement draft-ietf-6man-rfc4941bis") but it only changed the sysctl documentation. Signed-off-by: Fernando Fernandez Mancera Reviewed-by: Eric Dumazet Link: https://patch.msgid.link/20260214172543.5783-1-fmancera@suse.de Signed-off-by: Jakub Kicinski --- include/net/addrconf.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/net/addrconf.h b/include/net/addrconf.h index 78e8b877fb25..9e96776945e5 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -8,7 +8,8 @@ #define MIN_VALID_LIFETIME (2*3600) /* 2 hours */ -#define TEMP_VALID_LIFETIME (7*86400) /* 1 week */ +/* TEMP_VALID_LIFETIME default value as specified in RFC 8981 3.8 */ +#define TEMP_VALID_LIFETIME (2*86400) /* 2 days */ #define TEMP_PREFERRED_LIFETIME (86400) /* 24 hours */ #define REGEN_MIN_ADVANCE (2) /* 2 seconds */ #define REGEN_MAX_RETRY (3) -- 2.30.2