BORDER GATEWAY PROTOCOL The Border Gateway Protocol (BGP) has Attribute Types as listed here. Value Code Reference ----- --------------------------------- --------- 1 ORIGIN [RFC1771] 2 AS_PATH [RFC1771] 3 NEXT_HOP [RFC1771] 4 MULTI_EXIT_DISC [RFC1771] 5 LOCAL_PREF [RFC1771] 6 ATOMIC_AGGREGATE [RFC1771] 7 AGGREGATOR [RFC1771] 8 COMMUNITY [RFC1997] 9 ORIGINATOR_ID [RFC1998] 10 CLUSTER_LIST [RFC1998] 11 DPA [Chen] 12 ADVERTISER [RFC1863] 13 RCID_PATH / CLUSTER_ID [RFC1863] 14 MP_REACH_NLRI [RFC2283] 15 MP_UNREACH_NLRI [RFC2283] 16 EXTENDED COMMUNITIES [Rosen] ... 255 reserved for development References [RFC1771] Rekhter, Y., and Li, T., "A Border Gateway Protocol 4 (BGP-4)", RFC 1771, March 1995. [RFC1997] Chandra, R., Traina, P., and T. Li, "BGP Communities Attribute", RFC 1997, August 1996. [RFC1998] Bates, T., Chandra, R, "BGP Route Reflection An alternative to full mesh IBGP", RFC 1998, June 1996. [RFC1863] Haskin, D., "A BGP/IDRP Route Server alternative to a full mesh routing", RFC 1863, October 1995. [RFC2283] Bates, T., et al., "Multiprotocol Extensions for BGP-4", RFC 2283, February 1998. People [Chen] Chen, E., Bates, T., "Destination Preference Attribute for BGP", Work in progress, March 1996. [Rosen] Eric Rosen , March 1999. (draft-ramachandra-bgp-ext-communities-00.txt) []