Changes between Version 19 and Version 20 of NetServTutorialInstruction

Timestamp:

03/09/12 19:29:22 (13 years ago)

Author:

jae@cs.columbia.edu

Comment:

--

NetServTutorialInstruction

@@ -228 +228 @@
 == (Optional) Process Layer 2 frames in !NetServ ==
 
-1. Rebuild !NetServ for layer 2 frame processing.
+1. Rebuild !NetServ for layer 2 frame processing and run it.
 
 {{{
 cd /netserv-root/core/linux
+sudo su
+.  setenv-i386-ubuntu
 NETSERV_TRANSPORT=tap make all
+./run-controller.sh  conf-default.xml
 }}}
 
 2. Set up the newly created TAP interface.
 
-{{{
-ip link set netserv101 up
-ip add 10.0.0.1/24 dev netserv101
+  Open a new terminal window and type the following:
+
+{{{
+sudo ip link set netserv101 up
+sudo ip add 10.0.0.1/24 dev netserv101
 }}}
 
@@ -262 +267 @@
 }}}
 
-6. Ping a fake address in the TAP subnet.
+6. Ping a fake IP host address in the TAP subnet.
 
 {{{
@@ -268 +273 @@
 }}}
 
+  Take a look at the !NetServ terminal window, you will see ARP requests being intercepted.
+  You can stop the ping by pressing <CTRL>+C in its terminal window.
+
 7. Set up a manual ARP table entry for the fake address.
 
 {{{
-arp -s 10.0.0.99 01:02:03:04:05:06
-}}}
-
-8. Watch UDP echo replying to the ping request.
+sudo arp -s 10.0.0.99 01:02:03:04:05:06
+}}}
+
+8. Ping again the fake IP host address.
+
+{{{
+ping 10.0.0.99
+}}}
+
+  Now you can see that !NetServ is replying to your ping requests!
 
 9. Remove UDP echo and install it again.
 
+  By removing the UDP echo module the ping will stop receiving replies.
+
 == Please take a quick survey ==