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Web OS 10.0 Application Guide
4
Contents
212777-A, February 2002
VLANs and Spanning Tree Protocol 49
Bridge Protocol Data Units (BPDUs) 50
Multiple Spanning Trees 51
VLANs and Default Gateways 58
Segregating VLAN Traffic 58
Configuring the Local Network 60
Configuring Default Gateways per VLAN 60
VLANs and Jumbo Frames 63
Isolating Jumbo Frame Traffic using VLANs 63
Routing Jumbo Frames to Non-Jumbo Frame VLANs 64
Chapter 3: Port Trunking 65
Overview 65
Statistical Load Distribution 66
Built-In Fault Tolerance 66
Port Trunking Example 67
Chapter 4: OSPF 69
OSPF Overview 69
Types of OSPF Areas 70
Types of OSPF Routing Devices 71
Neighbors and Adjacencies 72
The Link-State Database 72
The Shortest Path First Tree 73
Internal Versus External Routing 73
OSPF Implementation in Web OS 74
Configurable Parameters 74
Defining Areas 75
Interface Cost 77
Electing the Designated Router and Backup 77
Summarizing Routes 77
Default Routes 78
Virtual Links 79
Router ID 80
Authentication 80
Host Routes for Load Balancing 82
OSPF Features Not Supported in This Release 82