Preliminary Data Sheet
Epoch MultiLayer Switch Chipset
APPLICATIONS
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WAN edge routers
MultiService platforms
RAS platforms
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Group Switch/Router
DSLAMs
LAN PBX core
FEATURES AND BENEFITS
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MultiMedia-ready integrated switch on a chip
Process Layer 3 and Layer 4 of the IP stack
1.4 Million packets/flow classifications per second; full Layer 4 flow recognition
Up to 16 ports supported with powerful flexible built-in parsing function
QoS Support for VoIP and other MultiMedia flows
Differentiated Services per port (DS)
Eight queues per output port enabling efficient MultiMedia integration of voice (VoIP), video, and data
Two scheduling algorithms selectable on a per port basis.
IPv6 and other protocols supported through processor interface
No Head-of-line blocking
Layer 2 switch-through support at wire speed
Firewall assist on a per packet or per flow basis
Flow aging support
DISTINCTIVE CHARACTERISTICS
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Wire speed Layer 3/Layer 4 switching for IPv4, IP Multicast, and IPX
Header manipulation and checksum recalculation at wire speeds
Support for Layer 3 CIDR (best prefix match)
Per Flow and per IP or IPX address filtering options
Behavior Aggregate Classification (BAC) and Microflow static/dynamic flow classification
64K default priority assignments with processor override for specific flows
Eight levels of Weighted RR or eight levels of priority
L3 to L2 support for IP to MAC address translation
Destination and/or Source Port monitoring
Generic 32 bit processor interface
66 MHz clock
3.3 Volt power with 5 Volt tolerant I/O pins
IEEE 1149.1 (JTAG) boundary scan logic
456 PBGA Package
Related MUSIC Documentation:
Epoch Host Processor Software Development Manual
MUAC Routing CoProcessor (RCP) Family Data Sheet
AN-N25 Fast IPv4 and IPv4 CIDR Address Translation and Filtering Using the MUAC Routing CoProcessor (RCP)
Application Note
AN-N27 Using MUSIC Devices and RCPs for IP Flow Recognition Application Note
MUSIC Semiconductors, the MUSIC logo, and the phrase "MUSIC Semiconductors" are
Registered trademarks of MUSIC Semiconductors. MUSIC and Epoch are trademarks of
MUSIC Semiconductors.
October 10, 2000 Rev. 2.7 Draft
MUSIC [ MUSIC SEMICONDUCTORS ]
