From fbe3c71689848cda545a79c7e4a912e263cbf05b Mon Sep 17 00:00:00 2001 From: Jukka Rissanen Date: Fri, 1 Dec 2023 14:52:18 +0200 Subject: [PATCH] doc: migration-guide: 3.6: IPv4 TTL and IPv6 hoplimit changes Add information about IPv4 TTL and IPv6 hoplimit changes between unicast and multicast packets. Signed-off-by: Jukka Rissanen --- doc/releases/migration-guide-3.6.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/doc/releases/migration-guide-3.6.rst b/doc/releases/migration-guide-3.6.rst index 812beba9a703abd..e67ce66e38e9c06 100644 --- a/doc/releases/migration-guide-3.6.rst +++ b/doc/releases/migration-guide-3.6.rst @@ -157,6 +157,10 @@ Networking a NULL pointer. IGMPv3 can be enabled using the Kconfig ``CONFIG_NET_IPV4_IGMPV3``. (:github:`65293`) +* The network stack uses now separate IPv6 TTL (time-to-live) value for multicast packets. Before + the same TTL value was used for unicast and multicast packets. The IPv6 hop limit value is also + changed so that unicast and multicast packets can have different hop limit values. + Other Subsystems ================