Figures

Figure 8-11

Path-Protected Mesh Network

8-12

 

 

 

 

 

 

Figure 8-12

PPMN Virtual Ring

8-13

 

 

 

 

 

 

 

 

Figure 9-1

Scenario 1: CTC and ONS 15600s on Same Subnet

9-3

 

 

 

 

Figure 9-2

Scenario 2: CTC and ONS 15600s Connected to Router

9-4

 

 

 

Figure 9-3

Scenario 3: Using Proxy ARP 9-5

 

 

 

 

 

 

Figure 9-4

Scenario 4: Default Gateway on a CTC Computer

9-6

 

 

 

 

Figure 9-5

Scenario 5: Static Route with One CTC Computer Used as a Destination

9-7

 

Figure 9-6

Scenario 5: Static Route with Multiple LAN Destinations

9-8

 

 

 

Figure 9-7

Scenario 6: OSPF Enabled

9-9

 

 

 

 

 

 

 

Figure 9-8

Scenario 6: OSPF Not Enabled

9-10

 

 

 

 

 

 

Figure 9-9

Proxy Server Gateway Settings

9-12

 

 

 

 

 

 

Figure 9-10

ONS 15600 Proxy Server with GNE and ENEs on the Same Subnet

9-13

 

 

Figure 9-11

Scenario 7: ONS 15600 Proxy Server with GNE and ENEs on Different Subnets

9-14

Figure 9-12

Scenario 7: ONS 15600 Proxy Server With ENEs on Multiple Rings

9-15

 

 

Figure 9-13

Nodes Behind a Firewall

9-17

 

 

 

 

 

 

 

Figure 9-14

CTC Computer and ONS 15600s Residing Behind Firewalls 9-17

 

 

 

Figure 9-15

Scenario 8: Dual GNEs on the Same Subnet

9-18

 

 

 

 

 

Figure 9-16

Scenario 8: Dual GNEs on Different Subnets

9-19

 

 

 

 

 

Figure 9-17

Viewing the ONS 15600 Routing Table 9-21

 

 

 

 

 

 

Figure 9-18

Proxy and Firewall Tunnels for Foreign Terminations 9-25

 

 

 

Figure 9-19

Foreign Node Connection to an ENE Ethernet Port

9-26

 

 

 

 

Figure 9-20

ISO-DCC NSAP Address

9-30

 

 

 

 

 

 

 

Figure 9-21

Level 1 and Level 2 OSI Routing

9-32

 

 

 

 

 

 

Figure 9-22

Manual TARP Adjacencies

9-36

 

 

 

 

 

 

Figure 9-23

T–TD Protocol Flow

9-37

 

 

 

 

 

 

 

 

Figure 9-24

FT–TD Protocol Flow

9-37

 

 

 

 

 

 

 

Figure 9-25

IP-over-CLNS Tunnel Flow

9-39

 

 

 

 

 

 

 

Figure 9-26

IP Over CLNS Tunnel Scenario 1: ONS NE to Other Vender GNE 9-41

 

 

Figure 9-27

IP Over CLNS Tunnel Scenario 2: ONS Node to Router

9-42

 

 

 

Figure 9-28

IP-Over-CLNS Tunnel Scenario 3: ONS Node to Router Across an OSI DCN

9-44

 

Figure 9-29

OSI/IP Scenario 1: IP OSS, IP DCN, ONS GNE, IP DCC, and ONS ENE

9-45

 

Figure 9-30

OSI/IP Scenario 2: IP OSS, IP DCN, ONS GNE, OSI DCC, and Other Vendor ENE

9-46

Figure 9-31

OSI/IP Scenario 3: IP OSS, IP DCN, Other Vendor GNE, OSI DCC, and ONS ENE

9-48

Figure 9-32

OSI/IP Scenario 3 with OSI/IP-over-CLNS Tunnel Endpoint at the GNE 9-49

 

Figure 9-33

OSI/IP Scenario 4: Multiple ONS DCC Areas

9-50

 

 

 

 

 

Cisco ONS 15600 Reference Manual, R7.2

xvii

Page 16 Page 18
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Cisco Systems ONS 15600 manual Path-Protected Mesh Network Ppmn Virtual Ring, Xvii
Page 16 Page 18

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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