Friday, September 17, 2010

Loopbooks in MAC

Ran into an issue today attempting to configure GNS3 for a routing lab. I was looking for a way to add another loopback interface on the mac. I did not find an answer. I attempted using ifconfig, but I get this error:

sudo ifconfig lo1 create
Password:
ifconfig: SIOCIFCREATE2: Invalid argument

Strange, the GUI does not support creating real interfaces, only virtual ones which is not good in binding with GNS3 because the appliciation wont detect it :-/ still stuck.

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