Contents
vi
Cisco Content Services Switch Routing and Bridging Configuration Guide
OL-4580-01
CHAPTER
3 Configuring Open Shortest Path First (OSPF) 3-1
OSPF Overview 3-2
OSPF Routing Hierarchy 3-3
Autonomous System 3-4
Areas 3-4
Backbone Area 3-4
Area Border Routers 3-5
Stub Area 3-5
Autonomous System Boundary Routers 3-5
Link-State Databases 3-6
CSS OSPF Configuration Quick Start 3-7
Global OSPF Configuration Quick Start 3-7
OSPF IP Interface Configuration Quick Start 3-9
Verifying Your Configuration 3-11
Configuring OSPF on the CSS 3-12
Configuring the OSPF Router ID 3-12
Enabling OSPF 3-13
Configuring an Area 3-13
Removing an Area 3-14
Configuring Equal-Cost Routes 3-14
Configuring Summarized Routes at an ABR 3-14
Configuring the CSS as an Autonomous System Boundary Router 3-15
Advertising a Route as an OSPF ASE Route 3-16
Advertising a Default ASE Route 3-20
Advertising Other Routes Through OSPF 3-21
Configuring OSPF on a CSS IP Interface 3-22
Configuring the CSS IP Interface as an OSPF Interface 3-23
Assigning an OSPF Area to the Interface 3-24
Enabling OSPF on the Interface 3-24
Configuring the Interface Attributes 3-24
