configHosts(): don't try to configure nonexistent interfaces.

2012-05-23 13:37:02 -07:00
parent 8f310286f8
commit e1ca7196c7
1 changed files with 6 additions and 1 deletions
@@ -244,7 +244,12 @@ class Mininet( object ):
        "Configure a set of hosts."
        for host in self.hosts:
            info( host.name + ' ' )
-            host.configDefault( defaultRoute=host.defaultIntf() )
+            intf = host.defaultIntf()
+            if intf:
+                host.configDefault( defaultRoute=intf )
+            else:
+                # Don't configure nonexistent intf
+                host.configDefault( ip=None, mac=None )
            # You're low priority, dude!
            # BL: do we want to do this here or not?
            # May not make sense if we have CPU lmiting...