Changes between Version 18 and Version 19 of Tutorials/g0WmLTE/Tutorial2

Timestamp:

Jul 5, 2012, 3:55:09 PM (12 years ago)

Author:

jeffrabi

Comment:

No More Cheating

Tutorials/g0WmLTE/Tutorial2

@@ -70 +70 @@
 defGroup('first_node', 'node1-1.sb4.orbit-lab.org') do |node|
   node.net.x0.profile = '51'
+  node.net.x0.ip = '10.41.14.1'
+  node.net.x0.netmask = '255.255.0.0'
+  node.net.x0.up
   node.addApplication("test:app:wimaxcu_app") do |app|
     app.measure('status_link')
@@ -79 +82 @@
  * As those familiar with ''Ruby'' will note, this method receives additional instructions from a block. Here, ''node'' is a dummy variable referring to the group itself, although the exact behavior of ''Ruby'' blocks is outside the scope (pun intended) of this discussion.
 
-Here, ''net.x0.profile'' configures the WiMAX network profile default as 51. 
+ * Here, ''net.x0.profile'' configures the WiMAX network profile default as 51. The node will prefer this network when searching for available connections.
+
+ * ''net.x0.ip'', ''net.x0.netmask',, and ''net.x0.up'' all perform the eponymous ''ifconfig'' operations.
 
 ''addApplication'' gives a group instructions to use the defined application in the specified manner. The principle parameter is the URI of the predefined application. 
@@ -105 +110 @@
 
 Here, ''app.measure'' is interesting because it is only one of the possible measurements that can be taken by the iperf app. For the others, see the ''iperf.rb'' code.
-
-{{{
-#!ruby
-  node.exec('ifconfig', ['wmx0 10.41.14.1 netmask 255.255.0.0 up'])
-}}}
-
-''node.exec'' launches a program from the terminal. Specifically, this execution launches ifconfig and configure the WiMAX card manually. This is a useful demonstration of how to 'force' certain behavior from the nodes.
 ----
 == Launch Experiment ==