From 9e3c51bae244a315e928543409b37e2c33799fe5 Mon Sep 17 00:00:00 2001 From: Christoffer Hansen Date: Sun, 18 Feb 2018 14:11:27 +0100 Subject: [PATCH] ospf link behavior --- chapter/layer3.tex | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/chapter/layer3.tex b/chapter/layer3.tex index 7fc8d7b..b57d2a5 100644 --- a/chapter/layer3.tex +++ b/chapter/layer3.tex @@ -66,6 +66,13 @@ The exchange of routing updates is done with \gls{ospf} own method. Directly using IP protocol 89 and multicast address 224.0.0.5 for link-local updates and 224.0.0.6 for updates to all designated routers in an \gls{ospf} domain. +\textit{P2P} links just exchange updates to each other. +On \textit{broadcast} segments of the network. The routers present elects a +designated +router to handle the exchange of routing information updates. And a backup +designated router is elected should the primary fail at some point. So as to +avoid instability in the exchange of updates. + \subsection{Timers} \subsection{Filtering}