Chapter 8 Management Network Connectivity

TCP/IP and OSI Networking

Table 8-7

TCP/IP and OSI Protocols

 

 

 

 

 

 

 

 

 

 

 

OSI Model

 

IP Protocols

OSI Protocols

 

 

IP-OSI Tunnels

 

 

 

 

 

 

 

 

 

Layer 7

 

TL1

TARP1

TL1 (over

 

Application

 

FTP

 

 

 

OSI)

 

 

 

 

 

 

FTAM2

 

 

 

HTTP

 

 

 

 

 

 

 

 

ACSE3

 

 

 

Telnet

 

 

 

Layer 6

 

IIOP

 

 

AdministrativeS

 

Presentation

 

 

 

 

tate4

 

 

 

 

 

 

 

 

Layer 5

 

 

 

 

 

Session

 

Session

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Layer 4

 

TCP

 

 

TP (Transport)

IP-over-CLNS5

Transport

 

UDP

 

 

 

Class 4

tunnels

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Layer 3

 

IP

CLNP6

 

 

 

Network

 

OSPF

ES-IS7

 

 

 

 

 

 

 

IS-IS8

 

 

 

Layer 2 Data

 

PPP

PPP

 

 

 

link

 

 

 

LAP-D9

 

 

 

Layer 1

 

DCC, LAN, fiber,

DCC, LAN, fiber, electrical

 

Physical

 

electrical

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.TARP = TID Address Resolution Protocol

2.FTAM = File Transfer and Access Management

3.ACSE = association-control service element

4.Administrative State = Presentation layer

5.CLNS = Connectionless Network Layer Service

6.CLNP = Connectionless Network Layer Protocol

7.ES-IS = End System-to-Intermediate System

8.IS-IS = Intermediate System-to-Intermediate System

9.LAP-D = Link Access Protocol on the D Channel

8.6.1Point-to-Point Protocol

Point-to-Point protocol (PPP) is a data link (Layer 2) encapsulation protocol that transports datagrams over point-to-point links. Although PPP was developed to transport IP traffic, it can carry other protocols including the OSI Connectionless Network Protocol (CLNP). PPP components used in the transport of OSI include:

High-level data link control (HDLC)—Performs the datagram encapsulation for transport across point-to-point links.

Link control protocol (LCP)—Establishes, configures, and tests point-to-point connections.

CTC automatically enables IP over PPP whenever you create an RS-DCC or MS-DCC. The RS-DCC or MS-DCC can be provisioned to support OSI over PPP.

Cisco ONS 15310-MA SDH Reference Manual, Release 9.1 and Release 9.2

 

78-19417-01

8-23

 

 

 

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Image 169
Cisco Systems 15310-MA manual Point-to-Point Protocol, OSI Model IP Protocols OSI Protocols IP-OSI Tunnels

15310-MA specifications

Cisco Systems has established itself as a leader in the networking domain, offering a wide array of solutions to meet the needs of modern businesses. Among its impressive product lineup are the Cisco 15310-CL and 15310-MA routers, designed to provide advanced network performance and reliability.

The Cisco 15310-CL is a versatile platform that primarily serves as a carrier-class router aimed at supporting high-speed data and voice services. It is built to handle the demands of large enterprises and service providers, offering a robust design that ensures maximum uptime and performance. One of its standout features is its modular architecture, which enables users to customize their configurations based on specific application needs. This scalability allows for future expansion without the need for a complete hardware overhaul.

Key technologies integrated into the Cisco 15310-CL include high-density Ethernet interfaces and a comprehensive suite of Layer 2 and Layer 3 protocol support. The device is capable of supporting multiple types of connections, including TDM, ATM, and Ethernet. This flexibility makes it an ideal choice for organizations that require seamless migration between various service types. Moreover, with features such as MPLS (Multiprotocol Label Switching) support and advanced Quality of Service (QoS) mechanisms, the router ensures that critical applications receive the necessary bandwidth and low latency required for optimal performance.

In contrast, the Cisco 15310-MA focuses on access solutions, providing a cost-effective entry point for businesses looking to enhance their network capabilities. It is well-suited for smaller offices or branch locations that need reliable connectivity without the expense and complexity associated with larger systems. The device supports a range of access methods and provides essential features like firewall capabilities, VPN support, and comprehensive security measures to protect sensitive data.

Both models benefit from Cisco's commitment to security and manageability, offering features like enhanced encryption protocols and user authentication mechanisms that help safeguard networks against threats. Additionally, they can be managed through Cisco’s intuitive software tools, simplifying configuration and monitoring tasks for IT administrators.

The Cisco 15310-CL and 15310-MA are ideal solutions for businesses seeking to enhance their network infrastructure, ensuring firms can keep pace with evolving technology demands while maintaining a focus on security and performance. Their combination of advanced features, modular capabilities, and robust support makes them valuable assets in the networking landscape.