Using the BayStack 450 10/100/1000 Series Switch
D-8 309978-D Rev 01
LANE
BayStack 450 software version V3.1 supports the ATM Forum’s LAN Emulation
(LANE) specification V1.0 (IEEE 802.3). This version of the LANE software is
compatible with Nortel Networks Centillion switches (models C100, C1000, and
5000BH) implementation of LANE. The BayStack 450-2M3/2S3 MDA operates
only as a LAN Emulation Client (LEC). This type of operation requires the
BayStack 450-2M3/2S3 MDA to rely on the LANE services offered with Nortel
Networks Centillion switches (models C100, C1000, and 5000BH) or other
industry-standard equipment for LES, LECS, and BUS functionality.
UNI Support
Your BayStack 450-2M3/2S3 MDA supports UNI 3.0 and 3.1
For more information about UNI 3.0 and UNI 3.1, refer to ATM User-Network
Interface (UNI) Specification, Version 3.0 and ATM User-Network Interface
Interface (UNI) Specification, Version 3.1.
LECS Address Methods
Three types of LECS address location methods are available:
• The ATM Forum (default)
4700790000000000000000000000A03E00000100
•User Defined
Any 20-byte address that begins with either 37, 39, or 45.
•ILMI
Address determined by the interim local management interface (ILMI).
PHY
Your BayStack 450-2M3/2S3 MDA provides a dual-channel ATM PHY. The
ATM PHY chip implements SDH and SONET encapsulation using the ATM
transmission convergence (TC) sublayer, as specified by the ATM Forum
specification using the SONET/SDH 155.25 Mb/s STS-3c/STM-1 and the
SONET 51.84 Mb/s STS-1 formats.
This method allows ATM terminals to link to ATM switching systems that use
SONET/SDH- compatible transport mechanisms.
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