X-Git-Url: https://git.realraum.at/?a=blobdiff_plain;f=doc%2FNetwork.mdwn;h=7f9634b544df7b9197d480dd81612e92adc00712;hb=33c54ab6078c9eb6e870fa8a6db8043031da40ce;hp=689766cc9c7b8ad009986070434b8a12fbb43b77;hpb=bd48a51b417c3df7b7113bcfc565a5d4c3765d6a;p=noc.git

diff --git a/doc/Network.mdwn b/doc/Network.mdwn
index 689766c..7f9634b 100644
--- a/doc/Network.mdwn
+++ b/doc/Network.mdwn
@@ -26,6 +26,16 @@ We use a number of conventions to make things more consistent:
 - The gateway for a network is on the last IP for the subnet.
 
 
+### Routing and firewall rules
+
+This network diagram represents networks, and the connection flows between them:
+an arrow from A to B means that a connection can be opened from network A to
+network B.  In all cases, a subset of ICMP (ECHO, ...) is allowed.
+
+Note that any given system might have interfaces in several of these networks.
+
+[[!img Network/overview.svg alt="r³ network overview"]]
+
 
 ## WiFi