Nortel Discovery Protocol

The Nortel Discovery Protocol (NDP) is a Data Link Layer (OSI Layer 2) network protocol for discovery of Nortel (now acquired by Avaya and Ciena) devices. The device and topology information is graphically displayed by the Avaya Enterprise Switch Manager software.

The Nortel Discovery Protocol had its origin in the SynOptics Network Management Protocol (SONMP), developed before the SynOptics and Wellfleet merger in 1994. The protocol was rebranded as the Bay Network Management Protocol (BNMP) and some protocol analyzers referenced it as the Bay Discovery Protocol (BDP). Four years later, in 1998, Bay Networks was acquired by Nortel and renamed to Nortel Discovery Protocol. Possibly changing to Avaya Discovery Protocol (ADP)

The IEEE 802.1AB or Link Layer Discovery Protocol that is supported on most Nortel equipment is a standards based (vendor-neutral) protocol that supports multi-vendor environments.^[1]

Historical names

• Bay Discovery Protocol (BDP)
• Bay Topology Protocol
• Bay Network Management Protocol (BNMP)
• Nortel Management MIB (NMM)
• Nortel Topology Discovery Protocol (NTDP)
• SynOptics Network Management Protocol (SONMP)

See also

• Avaya

References

1. ^ Ethernet Switch Software Release 5.0 for Ethernet Routing Switch 5500 family is Available Now

Further reading

• Boardman, Bruce. "Layer 2 Layout: Layer 2 Discovery Digs Deep". Network World Inc. / IDG / Wayback Machine. Archived from the original on 3 Jan 2007. http://web.archive.org/web/20070103130656/http://www.networkcomputing.com/channels/netsysmanagement/showArticle.jhtml?articleID=16000481. Retrieved 31 Aug 2011. 
• Baker, Max; Miller, Eric. "Perl5 Interface to SynOptics Network Management Protocol (SONMP) using SNMP". Source Forge / Wayback Machine. Archived from the original on 5 July 2008. http://web.archive.org/web/20080705102446/http://snmp-info.sourceforge.net/doc/Info/SONMP.html. Retrieved 29 July 2011. 

External links

• Nortel Bay Topology Discovery Packets -Retrieved 29 July 2011

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