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- Network Working Group B. Manning
- Request for Comments: 2042 ISI
- Category: Informational January 1997
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- Registering New BGP Attribute Types
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- Status of this Memo
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- This memo provides information for the Internet community. This memo
- does not specify an Internet standard of any kind. Distribution of
- this memo is unlimited.
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- Process:
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- This document describes the process for creating new BGP attribute
- type codes. Basic attribute type codes are described in RFC 1771,
- pages 12 through 15. These, and new attribute type codes that are
- used in the Internet are registered with the IANA.
-
- The actual process will involve the documentation of such attribute
- type codes in an RFC. There is no intention of segmenting the code
- space into public/private or IP/OSI or any other sectioning.
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- As each attribute type code is in the process of being developed, it
- will use an octet value of 255, which will be reserved for this use.
- At the time an attribute type code is assigned a number by the IANA,
- the documetnation and code base will be updated to reflect the
- authorized attribute type code value.
-
- IANA maintained values will be published in the periodically updated
- Assigned Numbers RFC [6]. Requests for assignment of a new attribute
- type code should be sent to the IANA (IANA@IANA.ORG) with a subject
- that includes the phrase "BGP Attribute Type".
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- Manning Informational [Page 1]
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- RFC 2042 BGP Atrribute Types January 1997
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- Currently in use attribute type codes are listed below:
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- Value Code Reference
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- 1 ORIGIN [1]
- 2 AS_PATH [1]
- 3 NEXT_HOP [1]
- 4 MULTI_EXIT_DISC [1]
- 5 LOCAL_PREF [1]
- 6 ATOMIC_AGGREGATE [1]
- 7 AGGREGATOR [1]
- 8 COMMUNITY [2]
- 9 ORIGINATOR_ID [3]
- 10 CLUSTER_LIST [3]
- 11 DPA [4]
- 12 ADVERTISER [5]
- 13 RCID_PATH / CLUSTER_ID [5]
- ...
- 255 reserved for development
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- Security Considerations
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- Security issues are not discussed in this memo.
-
- References
-
- [1] Rekhter, Y., and Li, T., "A Border Gateway Protocol 4 (BGP-4)",
- RFC 1771, March 1995.
-
- [2] Chandra, R., Traina, P., and T. Li, "BGP Communities
- Attribute", RFC 1997, August 1996.
-
- [3] Bates, T., Chandra, R, "BGP Route Reflection An alternative
- to full mesh IBGP", RFC 1998, June 1996.
-
- [4] Chen, E., Bates, T., "Destination Preference Attribute for BGP",
- Work in progress, March 1996.
-
- [5] Haskin, D., "A BGP/IDRP Route Server alternative to a full mesh
- routing", RFC 1863, October 1995.
-
- [6] Reynolds, J., and J. Postel, "Assigned Numbers", STD 2, RFC 1700,
- ISI, October 1994.
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- Manning Informational [Page 2]
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- RFC 2042 BGP Atrribute Types January 1997
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- Author's Address
-
- Bill Manning
- USC/ISI
- 4676 Admiralty Way
- Marina del Rey, CA. 90292
-
- Phone: 01.310.822.1511
- EMail: bmanning@isi.edu
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- Manning Informational [Page 3]
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