Networking

From AMCPU Wiki

• SNMP is used for polling devices for data and writing configuration to them from a Network Management System.

• Here is some common Cisco reference material such as IOS and PIX commands

• Configurations of networking on many operating systems to be used as a quick reference

• Check out the academic edition of OPNET ITGuru which is free to download for personal use. It is an excellent way to learn about networks through simulation and modification of almost any networking parameter that you can think of.

Contents 1 OSI abstraction model: 1.1 Layer 1 - Physical: 1.2 Layer 2 - Data Link: 1.3 Layer 3 - Network: 1.4 Layer 4 - Transport: 1.5 Layer 5-7:

OSI abstraction model:

Layer 1 - Physical:

• SONET
• CAT5 Cabling - Twisted pair configurations for patch cables, crossovers, and straight-throughs

Layer 2 - Data Link:

• Ethernet - IEEE802.3
• ATM
• Frame Relay
• MPLS
• WiFi
• WiMAX
• Bluetooth

Layer 3 - Network:

• Routing Protocols - Link State and Distance Vector

Layer 4 - Transport:

• TCP

Layer 5-7:

Check out the Systems Administration page for the configuration and management of applications that support these layers of the OSI model