Chapter 9 Configuring IEEE 802.1Q Tunneling and Layer 2 Protocol Tunneling on the ML-Series Card

Understanding VLAN-Transparent and VLAN-Specific Services

bridge-group 40

Example 9-2 ML_Series B Configuration

no ip routing

bridge 30 protocol ieee bridge 40 protocol ieee

!

!

interface FastEthernet0 no ip routing

mode dot1q-tunnel

bridge-group 30

!

interface FastEthernet1 mode dot1q-tunnel

bridge-group 40

!

interface POS0

!

interface POS0.1 encapsulation dot1Q 30 bridge-group 30

!

interface POS0.2 encapsulation dot1Q 40 bridge-group 40

Understanding VLAN-Transparent and VLAN-Specific Services

The ML-Series card supports combining VLAN-transparent services and one or more VLAN-specific services on the same port. All of these VLAN-transparent and VLAN-specific services can be point-to-point or multipoint-to-multipoint.

This allows a service provider to combine a VLAN-transparent service, such as IEEE 802.1Q tunneling (QinQ), with VLAN-specific services, such as bridging specific VLANs, on the same customer port. For example, one customer VLAN can connect to Internet access and the other customer VLANs can be tunneled over a single provider VLAN to another customer site, all over a single port at each site. Table 9-1outlines the differences between VLAN-transparent and VLAN-specific services.

Table 9-1 VLAN-Transparent Service Versus VLAN-Specific Services

VLAN-Transparent Services

VLAN-Specific Services

 

 

Bridging only

Bridging or routing

 

 

One service per port

Up to 254 VLAN-specific services per port

 

 

Applies indiscriminately to all VLANs on the

Applies only to specified VLANs

physical interface

 

 

 

Note VLAN-transparent service is also referred to as Ethernet Wire Service (EWS). VLAN-specific service is also referred to as QinQ tunneling trunk UNI in Metro Ethernet terminology.

Cisco ONS 15310-CL, ONS 15310-MA, and ONS 15310-MA SDH Ethernet Card Software Feature and Configuration Guide, R9.1 and R9.2

9-6

78-19415-01

 

 

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Cisco Systems ONS 15310-CL manual VLAN-Transparent Services VLAN-Specific Services, Example 9-2 MLSeries B Configuration
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ONS 15310-CL, ONS 15310-MA, Cisco ONS 15310-MA specifications

Cisco Systems has long been a leader in networking and telecommunications technology, and among its impressive lineup of products, the Cisco ONS 15310 series stands out as an essential solution for optical networking. This series includes models such as the ONS 15310-MA, ONS 15310-CL, and ONS 15310-CA, each designed to meet the diverse needs of service providers and enterprises seeking to enhance their optical transport networks.

The Cisco ONS 15310-MA is an advanced multi-service platform designed for metropolitan area networks. It facilitates the seamless transport of data, voice, and video over optical networks. One of its main features is its ability to support a variety of interfaces, including Ethernet, SONET/SDH, and Wavelength Division Multiplexing (WDM), allowing users to integrate multiple services into a single platform. Additionally, the ONS 15310-MA supports advanced traffic management and Quality of Service (QoS) features to prioritize critical applications and ensure consistent performance.

The ONS 15310-CL variant is tailored for more specific applications, providing enhanced capabilities aimed at delivering carrier-grade services. It features a robust architecture that accommodates high-capacity traffic without compromising reliability. This model emphasizes low power consumption and a compact design, making it suitable for deployment in space-constrained environments. The ONS 15310-CL also supports a wide range of optical interfaces, making it highly flexible for various network configurations.

In terms of technologies, the Cisco ONS 15310 series leverages Optical Transport Network (OTN) capabilities, providing high efficiency and greater bandwidth utilization. OTN technology enables efficient error correction and adds resilience to the network through its built-in protection mechanisms. Furthermore, the series supports seamless integration with existing IP/MPLS networks, creating a cohesive infrastructure as organizations evolve their networking requirements.

One of the defining characteristics of the ONS 15310 series is its focus on scalability. Network operators can start with a modest deployment and gradually expand capacity as demand grows. This adaptability is complemented by Cisco's comprehensive management and monitoring tools, providing operators with real-time insights into network performance and facilitating proactive management.

In conclusion, the Cisco ONS 15310-MA and ONS 15310-CL models represent sophisticated solutions for modern optical networks. With their versatile features, advanced technologies, and robust design, they empower service providers and enterprises to build resilient, high-capacity networks that meet the demands of today’s data-driven world.
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