When you run netstat -rn you are looking at the Linux host's routing table!
Use route show to see the routing table at the gRouter.


-----Original Message-----
From: gini-boun...@cs.mcgill.ca [mailto:gini-boun...@cs.mcgill.ca] On Behalf
Of Sanket Manjul Joshipura
Sent: Sunday, September 20, 2009 10:34 PM
To: gini@cs.mcgill.ca
Subject: [gini] Routing Table

When I try to run the 'route' command on the routers in a multiple LAN
topology, it shows nothing. Yet, the the hosts on different machines can
connect to each other. How is this possible without the routers having any
entries about other networks?

If I use netstat -rn I get the following output:

Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt
Iface
132.206.54.0    0.0.0.0         255.255.255.0   U         0 0          0
eth0
0.0.0.0         132.206.54.253  0.0.0.0         UG        0 0          0
eth0

where obviously 132.206.54.0 is not any network in the topology

Sanket Joshipura
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