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Cisco may refer to:Companies:*Cisco Systems, a computer networking company* Certis CISCO, corporatised entity of the former Commercial and Industrial Security Corporation in Singapore...

 Supervisor Engine is the heart of many of Cisco's switches. The Supervisor Engine has evolved several times. While it is the management segment of many routers, the power of the switch is often much greater than that of the Supervisor Engine because one of the features of many switches is that dozens of the functions are accelerated by ASIC

Application-specific integrated circuit

An application-specific integrated circuit is an integrated circuit customized for a particular use, rather than intended for general-purpose use. For example, a chip designed solely to run a cell phone is an ASIC...

 chips.

Abridged list of features:

• 802.1q VLAN
• Spanning Tree Protocol
• Ether Channel
• Jumbo Frames
• (E)IGRP, OSPF, RIP (2), Static Routing
• BGP, IS-IS
• QOS
• Some have Layer 3 & 4 Switching

Specifications

Supervisor Engine	Mpps	Switching Layer	Bandwidth	CPU Frequency	Max Ram	Max Flash	OS	Minimum IOS
1	15	2	1.2-32	25 MHz Motorola 68k	128MB	16MB	CatOS	N/A
2	30	2	18	150 MHz Mips R4700	128MB	16MB	CatOS	N/A
2+	48	4	64	266 MHz R4700	256MB	32MB	CatOS/IOS
3	15	4	?	150-300 MHz	256MB	?	IOS	12.1(8a)
4	48	4	64	333 MHz	512MB	64MB	IOS	12.1(12c)
5	136	4	102	400-800 MHz	512MB	?	IOS	12.2(18)
6	250	4	320	1.3 GHz	1GB	?	IOS	12.2(40)
720		5	720	400/200 (MHz?)	1GB	64MB	CatOS/IOS
32		5					IOS

Details

Supervisor Engine I

• 68EC040
  Motorola 68000
  The Motorola 68000 is a 16/32-bit CISC microprocessor core designed and marketed by Freescale Semiconductor...
  
  
• Chassis: 2900, 2948G, 2980G, 4000, 4500, 5000, 5500, 6000, 6500, 7600

Supervisor Engine II

• MIPS R4700
  R4600
  The R4600, code-named "Orion", is a microprocessor developed by Quantum Effect Design that implemented the MIPS III instruction set architecture . As QED was a design firm that did not fabricate or sell their designs, the R4600 was first licensed to Integrated Device Technology , and later to...
  
  
• Chassis: 2926, 4000, 4500, 5000, 5500, 6000, 6500, 7600

Supervisor Engine II+

• MIPS R4700
  R4600
  The R4600, code-named "Orion", is a microprocessor developed by Quantum Effect Design that implemented the MIPS III instruction set architecture . As QED was a design firm that did not fabricate or sell their designs, the R4600 was first licensed to Integrated Device Technology , and later to...
  
  
• Cisco Express Forwarding
• Chassis: 2926, 4000, 4500, 5000, 5500, 6000, 6500, 7600

Supervisor Engine III

• Cisco Express Forwarding
• Max DRAM: 256MB SD
• Redundant Capable
• Netflow accelerator card

Supervisor Engine IV

• Cisco Express Forwarding
• Max Flash: 64MB (supplemental Compact Flash optional)

Supervisor Engine V

• Cisco Express Forwarding
• Chassis: 4500

Supervisor Engine 6

• Cisco Express Forwarding
• Chassis: 4500 "E" Series

Supervisor Engine 32

• Cisco Express Forwarding
• Chassis: 6000, 6500
• A low cost, reduced version of the 720
• Policy Feature Card 3b
• MSFC 2A?

Supervisor Engine 720

• Cisco Express Forwarding
• Policy Feature Card 3A, 3B, 3BXL
• Chassis: 6500, 7600

MSFC1-3

• Multi-Layer Switch Feature Card

See also

• Cisco IOS
  Cisco IOS
  Cisco IOS is the software used on the vast majority of Cisco Systems routers and current Cisco network switches...
  
  
• Catalyst switch
  Catalyst switch
  Catalyst is the brand name for a variety of network switches sold by Cisco Systems. While commonly associated with Ethernet switches, a number of different interfaces have been available throughout the history of the brand. Cisco acquired several different companies and rebranded their products...
  
  
• Catalyst 6500
  Catalyst 6500
  The Catalyst 6500 is a modular chassis network switch manufactured by Cisco Systems since 1999, capable of delivering speeds of up to "400 million packets per second"....
  
  
• Cisco Catalyst 4500 Series Switches
  Cisco Catalyst 4500 Series Switches
  The Cisco Catalyst 4500 is a mid-range modular chassis network switch manufactured by Cisco Systems. A Cisco Catalyst 4500 comprises a chassis, power supplies, one or two supervisors, line cards and service modules. The Cisco Catalyst 4500 Series includes two series of Catalyst chassis: The Classic...