.

namespace_demo/tmcast.py

@@ -17,7 +17,7 @@ from golang import sync, context
 
 
 group4 = '224.1.1.1'
-group6 = 'ff15:7079:7468:6f6e:6465:6d6f:6d63:6173'
+group6 = 'ff1e:7079:7468:6f6e:6465:6d6f:6d63:6173'
 port   =  5678
 
 def _udpsockfor(ipaddr): # -> (sk, isipv6)

namespace_demo/topo-B-A-C.sh

@@ -67,7 +67,14 @@ nsenter --net=A -- ip route add    224.0.0.0/4 dev a1   # NOTE on A 224.0.0.0/4
 nsenter --net=A -- ip route append 224.0.0.0/4 dev a2   # to _both_ a1 and a2
 
 
+# mount private /var/run so that smcrouted can be started
+# we start will start it only in A, so keeping /var/run shared to everywhere,
+# even if dirty, is ok.
+mount -t tmpfs none /var/run
+
+
 # open terminals in A B C for play
 nsenter --net=B -- xfce4-terminal --title=B &
 nsenter --net=C -- xfce4-terminal --title=C &
 nsenter --net=A -- xfce4-terminal --title=A &
+nsenter --net=A -- xfce4-terminal --title=A2 &