My Cisco Labs: GNS3 Duplex Mismatch Messages

My Cisco Labs: GNS3 Duplex Mismatch Messages: When Cisco devices are connected to one another and CDP is enabled (which it is by default), if one port is configured as full duplex but th...  

R3(config)#no cdp log mismatch duplex

IPv6 subnetting calculator

Per fi una calculadora per fer subnetting IPv6...
www.ipv6calculator.net/