Browse Prior Art Database

BGP4/IDRP for IP---OSPF Interaction (RFC1745)

IP.com Disclosure Number: IPCOM000003995D
Original Publication Date: 1994-Dec-01
Included in the Prior Art Database: 2000-Sep-12
Document File: 16 page(s) / 41K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

K. Varadhan: AUTHOR [+3]

Abstract

This memo defines the various criteria to be used when designing an Autonomous System Border Router (ASBR) that will run either BGP4 or IDRP for IP with other ASBRs external to the AS and OSPF as its IGP.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 7% of the total text.

Network Working Group K. Varadhan

Request for Comments: 1745 OARnet & ISI

Category: Standards Track S. Hares

NSFnet/Merit

Y. Rekhter

T.J. Watson Research Center, IBM Corp.

December 1994

BGP4/IDRP for IP---OSPF Interaction

Status of this Memo

This document specifies an Internet standards track protocol for the

Internet community, and requests discussion and suggestions for

improvements. Please refer to the current edition of the "Internet

Official Protocol Standards" (STD 1) for the standardization state

and status of this protocol. Distribution of this memo is unlimited.

Abstract

This memo defines the various criteria to be used when designing an

Autonomous System Border Router (ASBR) that will run either BGP4 or

IDRP for IP with other ASBRs external to the AS and OSPF as its IGP.

Table of Contents

1. Introduction ................................................. 2

2. Reachability Information Exchange ............................ 4

2.1. Exporting OSPF information into BGP/IDRP .................. 4

2.2. Importing BGP/IDRP information into OSPF ................... 6

3. BGP/IDRP Identifier and OSPF router ID ....................... 7

4. Setting OSPF tags, ORIGIN and PATH attributes ................ 8

4.1. Configuration parameters for setting the OSPF tag .......... 10

4.2. Manually configured tags ................................... 10

4.3. Automatically generated tags ............................... 11

4.3.1. Tag = ...... 11

4.3.2. Tag = ...... 11

4.3.3. Tag = ...... 12

4.3.4. Tag = ...... 12

4.3.5. Tag = ...... 12

4.3.6. Tag = ...... 13

4.4. Miscellaneous tag settings ................................. 14

5. Setting OSPF Forwarding Address and BGP NEXT_HOP attribute ... 14

6. Changes from the BGP 3 - OSPF interactions document .......... 15

7. Security Considerations ...................................... 16

8. Acknowledgements ............................................. 16

9. Bibliography ................................................. 16

10. Appendix .................................................... 18

11. Authors' Present Addresses .................................. 19

1. Introduction

This document defines the various criteria to be used when designing

an Autonomous System Border Router (ASBR) that will run BGP4

[RFC1654] or IDRP for IP [IDRP]...