Troubleshooting OSPFv3 Configuration 45935 IPV 6 IS-IS C ONFIGURATIONIntroduction to IPv6 IS-IS 461Configuring IPv6 IS-IS Basic Functions 461Configuring IPv6 IS-IS Routing Information Control 462Displaying and Maintaining IPv6 IS-IS 463IPv6 IS-IS Configuration Example 46436 IPV 6 BGP CONFIGURATIONIPv6 BGP Overview 467Configuration Task List 468Configuring IPv6 BGP Basic Functions 469Controlling Route Distribution and Reception 471Configuring IPv6 BGP Route Attributes 474Tuning and Optimizing IPv6 BGP Networks 476Configuring a Large Scale IPv6 BGP Network 478Displaying and Maintaining IPv6 BGP Configuration 482IPv6 BGP Configuration Examples 483Troubleshooting IPv6 BGP Configuration 48637 R OUTING POLICY C ONFIGURATIONIntroduction to Routing Policy 489Defining Filtering Lists 490Configuring a Routing Policy 492Displaying and Maintaining the Routing Policy 495Routing Policy Configuration Example 495Troubleshooting Routing Policy Configuration 49738 IPV 6 B ASICS C ONFIGURATIONIPv6 Overview 499IPv6 Basics Configuration Task List 508Configuring Basic IPv6 Functions 508Configuring IPv6 NDP 510Configuring PMTU Discovery 513Configuring IPv6 TCP Properties 514Configuring ICMPv6 Packet Sending 514Configuring IPv6 DNS 515Displaying and Maintaining IPv6 Basics Configuration 516IPv6 Configuration Example 517Troubleshooting IPv6 Basics Configuration 52039 D UAL STACK C ONFIGURATIONDual Stack Overview 521Configuring Dual Stack 521