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Nortel Networks 42C4911 manual Port-based Network Access Control

Models: 42C4911

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Alteon OS Application Guide

LDAP Authentication and Authorization 53

Secure Shell and Secure Copy 55

End User Access Control 61

Chapter 2: Port-based Network Access Control 67

Extensible Authentication Protocol over LAN 68 802.1x Authentication Process 69

802.1x Port States 71 Supported RADIUS Attributes 72 Configuration Guidelines 73

Chapter 3: VLANs 75

Overview 76

VLANs and Port VLAN ID Numbers 77

VLAN Numbers 77

PVID Numbers 77

VLAN Tagging 80

VLAN Topologies and Design Considerations 84

VLAN configuration rules 84

Example 1: Multiple VLANs with Tagging Adapters 85

Protocol-based VLANs 87

Port-based vs. Protocol-based VLANs 88

PVLAN Priority Levels 88

PVLAN Tagging 88

PVLAN Configuration Guidelines 89

Configuring PVLAN 89

Chapter 4: Ports and Trunking 93

Overview 94

Statistical Load Distribution 95

Built-In Fault Tolerance 95

Before you configure static trunks 95

Trunk group configuration rules 96

Port Trunking Example 97

Configurable Trunk Hash Algorithm 100

Link Aggregation Control Protocol 101

Configuring LACP 103

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42C4911, January 2007

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Nortel Networks 42C4911 manual Port-based Network Access Control
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42C4911 specifications

Nortel Networks 42C4911 is a key hardware component designed to meet the needs of modern telecommunications infrastructure. As part of Nortel's extensive portfolio, the 42C4911 has made a significant impact on network design and operation, particularly in enterprises requiring reliable and efficient communication solutions.

One of the standout features of the 42C4911 is its modularity. This allows for flexible configurations and upgrades, enabling organizations to adapt to changing technology requirements and business demands. The design philosophy behind the 42C4911 emphasizes scalability, allowing users to start with a basic setup and expand it as their networking needs grow. This feature is particularly appealing to medium and large enterprises that anticipate increased data and communication requirements over time.

In terms of technology, the 42C4911 supports various telecommunications standards, making it versatile for multiple applications. It typically integrates with other Nortel equipment and can work with third-party devices, ensuring seamless interoperability across different platforms. This is critical as organizations look to create unified communications systems that can handle voice, data, and video traffic efficiently.

The 42C4911 is known for its robust performance and reliability. It is designed to operate continuously under demanding conditions, which is essential for organizations that rely on constant connectivity for their operations. Its built-in redundancy features help safeguard against potential failures, thus enhancing the overall stability of the network. This reliability is further complemented by Nortel's commitment to high-quality manufacturing standards, ensuring that users receive a durable and efficient product.

Security is another major consideration for any networking device, and the 42C4911 provides advanced security features to protect sensitive data. With increasing cybersecurity threats, organizations prioritize devices that offer strong encryption and access control mechanisms. The 42C4911 addresses these needs while facilitating secure communication channels for users, which is essential in today's increasingly interconnected world.

Overall, the Nortel Networks 42C4911 stands out as a versatile and powerful component in the telecommunications landscape. Its modular design, compatibility with diverse technologies, reliability, and emphasis on security make it an appealing choice for organizations looking to enhance their networks. As companies continue to navigate the complexities of communication, devices like the 42C4911 play a crucial role in ensuring that they remain connected and efficient.