Chapter 8 Management Network Connectivity

IP Addressing Scenarios

The ONS 15310-MA SDH uses OSPF protocol in internal ONS 15310-MA SDH networks for node discovery, circuit routing, and node management. You can enable OSPF on the ONS 15310-MA SDH so that the ONS 15310-MA SDH topology is sent to OSPF routers on a LAN. Advertising the ONS

15310-MA SDH network topology to LAN routers eliminates the need to enter static routes for ONS 15310-MA SDH subnetworks manually.

OSPF divides networks into smaller regions, called areas. An area is a collection of networked end systems, routers, and transmission facilities organized by traffic patterns. Each OSPF area has a unique ID number, known as the area ID. Every OSPF network has one backbone area called “area 0.” All other OSPF areas must connect to area 0.

When you enable an ONS 15310-MA SDH OSPF topology for advertising to an OSPF network, you must assign an OSPF area ID in decimal format to the network. Coordinate the area ID number assignment with your LAN administrator. All DCC-connected ONS 15310-MA SDH nodes should be assigned the same OSPF area ID.

Figure 8-8shows a network enabled for OSPF.

Figure 8-8 Scenario 6: OSPF Enabled

Router

IP Address of interface ìAî to LAN A 192.168.1.1

LAN AIP Address of interface ìBî to LAN B 192.168.2.1

Subnet Mask 255.255.255.0

 

 

 

 

 

 

 

 

Int "A"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTC Workstation

 

Int "B"

IP Address 192.168.1.100

 

 

Subnet Mask 255.255.255.0

 

 

Default Gateway = 192.168.1.1

 

 

Host Routes = N/A

 

 

LAN B

ONS 15310 #1

IP Address 192.168.2.10

Subnet Mask 255.255.255.0

Default Router = 192.168.2.1

Static Routes = N/A

SDH RING

ONS 15310 #2

IP Address 192.168.3.20

Subnet Mask 255.255.255.0

Default Router = N/A

Static Routes = N/A

ONS 15310 #3

IP Address 192.168.4.30

Subnet Mask 255.255.255.0

Default Router = N/A

Static Routes = N/A

271795

Figure 8-9shows the same network without OSPF. Static routes must be manually added to the router for CTC computers on LAN A to communicate with Nodes 2 and 3 because these nodes reside on different subnets.

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

8-10

78-19417-01

 

 

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Image 156
Cisco Systems 15310-MA manual 8shows a network enabled for Ospf

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.