Daily Archives: October 4, 2015

KILL THE GNS3 LIZARD

if you are as saddened as i am about the chameleon from GNS3 mucking up your network topologies, then kill the damn thing…

here’s how:

no_friggin_newsfeed

 in your /home/user/.config/GNS3 directory run sudo gedit gns3_gui.conf and terminate the icloud login little bastard by setting hide_the_damn_lizard to “true”.

for windows it’s gns3_gui.ini…

SWITCH 300-115 1.2 Configure and verify Layer 2 protocols

1.2.b UDLD

it is not the case that udld is used on fiber ports, and loopguard is used on copper exclusively. they provide some functional differences in the network regardless of the media used. see below:

from: http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10596-84.html

loopguard_v_udld