Chapter 9 Management Network Connectivity

9.2.6 Scenario 6: Using OSPF

Figure 9-8

 

Scenario 6: OSPF Not Enabled

 

 

 

 

 

 

 

 

 

 

 

 

 

Router

 

 

 

 

 

 

 

 

 

 

 

 

 

IP Address of interface “A” to LAN A 192.168.1.1

 

 

 

 

 

 

 

 

 

 

 

 

 

IP Address of interface “B” to LAN B 192.168.2.1

 

 

 

 

 

 

LAN A

 

 

Subnet Mask 255.255.255.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Static Routes = Destination 192.168.3.20 Next Hop

192.168.2.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Destination 192.168.4.30 Next Hop

192.168.2.10

 

 

 

 

 

 

 

 

 

 

Int "A"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Int "B"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTC Workstation

 

 

 

 

 

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 15600 #1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IP Address 192.168.2.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Subnet Mask 255.255.255.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default Router = 192.168.2.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Static Routes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Destination = 192.168.1.100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mask = 255.255.255.255

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Next Hop = 192.168.2.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cost = 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SONET RING

ONS 15600 #2

IP Address 192.168.3.20

Subnet Mask 255.255.255.0

Default Router = N/A

Static Routes = N/A

ONS 15600 #3

IP Address 192.168.4.30

Subnet Mask 255.255.255.0

Default Router = N/A

81204

Static Routes = N/A

 

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, that can range from 0 to 4,294,967,295. Every OSPF network has one backbone area called “area 0.” All other OSPF areas must connect to area 0.

When you enable ONS 15600 OSPF topology for advertising to an OSPF network, you must assign an OSPF area ID in decimal format to the ONS 15600 network. Coordinate the area ID number assignment with your LAN administrator. All DCC-connected ONS 15600s should be assigned the same OSPF area ID.

The ONS 15600 supports the multiple OSPF area feature, which allows the ability to configure and support multiple OSPF areas in each DCC-connected topology. A node is in a single OSPF area if all of its DCC or LAN interfaces are in the same OSPF area, while a node is in multiple OSPF areas if it has DCC or LAN interfaces in two or more OSPF areas. If the ONS 15600 has interfaces (DCC or LAN) in multiple OSPF areas, at least one ONS 15600 interface (DCC or LAN) must be in the backbone area 0.

Cisco ONS 15600 Reference Manual, R7.2

9-10

Page 169 Page 171
Page 170
Image 170
Cisco Systems ONS 15600 manual Scenario 6 Ospf Not Enabled
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ONS 15600 specifications

Cisco Systems ONS 15600 is a highly versatile optical networking platform designed to meet the demands of modern telecommunications and data services. This multiservice edge platform supports various transmission mediums and offers a wide array of features that enable efficient data transport. Ideal for service providers and large enterprises, the ONS 15600 is engineered to provide scalable and reliable optical transport solutions.

One of the notable features of the ONS 15600 is its capability to support multiple protocols, including SONET/SDH, Ethernet, OTN, and legacy TDM services. This flexibility allows users to tailor their networks according to specific service requirements while ensuring interoperability with existing infrastructure. The platform is designed to facilitate seamless service migration, accommodating both legacy and next-generation services.

The modular architecture of the ONS 15600 enhances its scalability. It allows for easy expansion by incorporating additional line cards or interface modules without requiring significant downtime. This modularity ensures that service providers can evolve their networks over time, responding to increasing bandwidth demands and new service offerings with ease.

Incorporating advanced technologies, the ONS 15600 employs Dense Wavelength Division Multiplexing (DWDM), significantly increasing the capacity of fiber networks by allowing multiple signals to be transmitted simultaneously over a single optical fiber. This capability helps to optimize fiber utilization and reduce operational costs. In addition, the platform supports Optical Transport Network (OTN) for improved error detection and correction, contributing to higher reliability and performance.

Another key characteristic of the ONS 15600 is its robust management capabilities. The platform can be managed through Cisco's Optical Networking Manager (ONM), providing a centralized interface for network configuration, monitoring, and troubleshooting. This enhances operational efficiency and minimizes downtime, allowing service providers to focus on delivering quality services to their customers.

The ONS 15600 also prioritizes security, offering various features like encryption and access control to safeguard sensitive data during transmission. With its combination of scalability, flexibility, and security, the Cisco ONS 15600 stands out as a reliable choice for organizations looking to enhance their optical networking capabilities while meeting the evolving demands of the digital landscape. Its commitment to quality and performance makes it a cornerstone of modern optical networks.
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