Beta Draft Confidential
Overview
CBX 500 Features
1-24/5/03 CBX 500 Multiservice WAN Switch Hardware Installation Guide
CBX 500 Features
The multiservice CBX 500 switch provides or supports the following features:
• Multiprocessor and custom silicon design for highest performance and throughput
• Quad-plane switch architecture with 128K cell buffers to ensure the highest level
of data integrity
• VPC/PVC Point-to-Point, Point-to-Multipoint, and Multipoint-to-Point Tunnel
(MPT)
• Frame Relay and Internet Protocol (IP) services based on the multi-protocol label
switching (MPLS) standard
• Rapid Upgrade
TM
, Resilient Frame Network-to-Network Interface (NNI), and
PVC Redirect capability
• Up to 16K virtual circuits (VCs) per ATM I/O module
• Up to 1000 virtual private networks (VPNs) per switch
• Up to 96K additional cell buffers per I/O module for per-VC queuing
• Advanced traffic management and connection admission control (CAC) algorithm
for increased network-resource use and efficiency
• ATM virtual channel connection (VCC) and internetworking services
• Cell rate monitoring for network accounting and design
• Guaranteed hardware multicast and Quality of Service (QoS)
• Logical multicasting on all cell-based modules (T1/E1 through OC-12c/STM-4)
• Early packet discard (EPD)/partial packet discard (PPD) on all cell-based modules
(available for non-real time traffic traversing the VBR-NRT or ABR/UBR
queues)
• Automatic protection switching (APS) intracard port redundancy on
OC-3c/STM-1 and OC-12c/STM-4 modules
• Optional redundant switch processors (SPs) with Stratum 3 holdover timing
system and modified reset latch feature, equipped with up to 128 Mbytes of RAM
for high-speed switching
• Optional redundant power supplies for high-reliability networking
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