VLSM – Review – Example
VLSM table Major Network = 10.15.0.0/22 11111111.11111111.11111100.00000000 Number of networks = 2^ 6 = 64 Network Address Usable Host Range […]
Category: Routing and Switching
OSI Model High-Level Review
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a communication system or network […]
DHCP
DHCP stands for Dynamic Host Configuration Protocol. It’s a network protocol used to automatically assign IP addresses and other network […]
Traceroute
Traceroute from PC1 (192.168.13.2) to PC2 (192.168.62.2) Note to self: The process repeats for each router in the path. Even […]
VLSM – Review
Example Exponent Number of Hosts * -2 Notation Bits Subnet Mask 2^1 2 /31 11111111.11111111.11111111.11111110 255.255.255.254 2^2 4 /30 11111111.11111111.11111111.11111100 […]
Slowly working my way through INE’s CCIE R&S workbook
Eve-ng Physical Topology
Spanning-tree Communication – Bridge Protocol Data Units (BPDU)
Because STP is involved in loop detection, many people refer to the catastrophic loops as “Spanning Tree loops.” This is […]
Spanning Tree Basics – Part 3
Spanning-tree from the view point of DL-1 and DL2 The interface associated to lowest path cost is more preferred. The […]
Spanning Tree Basics – Part 2 – The STP root
In part one we looked at the simplest spanning tree decision that a switch can make when it has a […]
Spanning Tree Basics – Part 1
Locating Root Ports After the switches have identified the root bridge, they must determine their root port (RP). The root […]