Cisco BPX 8650, Installation And Configuration Manual

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5-5
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.30, Part Number 78-12907-01 Rev. E0, May 2005
Chapter 5 BXM Card Sets: T3/E3, 155, and 622
BXM Capabilities
BXM Capabilities
The following are the major features of the BXM cards:
•
Connections supported per card:
– 16,000 to 60,000 connections per card depending on configuration (see Table 5-1).
•
BXM, T3/E3 ATM with 8 or 12 ports, either T3 at a 44.736 Mbps rate, or E3 at a 34.368 rate
(see Table 5-1).
•
BXM, OC-3/STM-1 ATM: 4 or 8 ports, with each port operating at a 155.52 Mbps rate, maximum
cell transfer rate of 1,412,832 cells per second (full OC-12 rate) per card (see Table 5-1).
•
BXM, OC-12/STM-4 ATM: 1 or 2 ports, with each port operating at a 622.08 Mbps rate, maximum
cell transfer rate of 1,412,832 cells per second (full OC-12 rate) per card (see Table 5-1).
• Selective Cell Discard.
•
Cell Memory
– Up to 512K ingress (receive) cell buffers depending on card configuration (see Table 5-1).
–
Up to 512K egress (transmit) cell buffers depending on card configuration (see Table 5-1).
•
CBR, rt-VBR, nrt-VBR, ABR, and UBR service classes.
•
For MFJ firmware and above, channel statistics level 0 is no longer supported for BXM-155-4,
BXM-155-8, BXM-622, BXM-622-2, BXM-T3-12, BXM-T3-8, BXM-E3-8, and BXM-E3-12
models. However, it is still supported for all the other models (BXM-155-8DX, BXM-155-8D,
BXM-155-4DX, BXM-155-4D, BXM-622-2DX, BXM-622-2D, BXM-622-DX, BXM-T3-12EX,
BXM-T3-12E, BXM-T3-8E, BXM-E3-12EX, BXM-E3-12E, and BXM-E3-8E).
• ATM cell structure and format per ATM Forum UNI v3.1
•
Loopback support.
• 1:1 card redundancy using Y-cable configuration.
•
AP1 1:1 or APS 1+1
•
A BXM card may be configured for either network or port operation.
•
Virtual Path (VP) as well as Virtual Circuit (VC) connections.
• ATM PVC, SVC, and SPVC connections.
•
ATM Forum UNI 4.0 signalling for SVCs and SPVCs. For information on SVC and SPVC support,
refer to the
Cisco SES PNNI Controller Software Configuration Guide .
• Multiple Protocol Label Switching (MPLS). For information on MPLS, refer to the Cisco MPLS
Controller Configuration Guide .
ATM Layer
•
UNI and NNI port options conforming to ATM Forum UNI v3.1 specification.
• ATM cell structure and format supported per ATM UNI v3.1 and ITU I.361.
•
Header Error Correction (HEC) field calculation and processing supported per ITU I.432.
• Usage Parameter Control using single and dual leaky bucket algorithm, as applicable, to control
admission to the network per ATM Forum 4.0 Traffic Management.