Comment out the default IP to MAC mapping for gateway
All entries in arp table will be updated via source learning now
Modifying mac to ip mapping for topology construction at controller
Change syntax errors
Change syntax errors
Delete mapping from MAC to IP when connection loses

show switch info
Parse the name of the port to get IP address of remote rVM

Modify syntax error
ARP protocol and source routing finishes
Finish ARP protocol redesign.
The controller stores three tables in itself
for IP-MAC address resolution and port look-up.
During forwarding, the controller will set
corresponding flows on each switch en route.

Add some comments in inception_arp_config.sh