Category: CCNA 200-125

CCNA 2.5.c: How to configure Dynamic Trunking Protocol (DTP)

 How to configure Dynamic Trunking Protocol (DTP). It’s good to know, especially if you’re wondering how switchports automatically negotiate before you even configure them. I recommend understanding how it works and then turning it off completely with the “switchport nonegotiate” command. Turning it off helps you maintain more control over your switches and what’s […]


CCNA-1.12: Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment (LAB)

IPv6 addressing is designed differently than IPv4.  Subnetting is used in IPv4 to more efficiently use the small number of available addresses. IPv6 has a large enough address space without subnetting to accommodate devices for the foreseeable future.  The local area subnet always uses 64 bits for the routing prefix and 64 bits for the […]


CCNA 1.10: Compare and contrast IPv4 address types

Understand the different IPv4 address types. Loopback – this IP points back to the device’s TCP/IP stack.  Pinging it tells you whether TCP/IP has been installed and is running. Layer 2 broadcasts – Layer 2 broadcast traffic stays within a local area network (LAN) boundary; known as the broadcast domain. Layer 2 broadcast traffic is […]


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