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Interconnect Cisco SB Switch and Catalyst Switch with SFP

Cisco Small Business switches support a different series of SFP modules than the Catalyst switches. This article will give an overview of the SFP modules and how to interconnect Cisco Small Business switches with Cisco Catalyst switches with a optical link.

The Cisco Small Business SFP and Cisco traditional SFP is NOT interchangeable.  That mean, you cannot use a Cisco Small Business SFP on Cisco Catalyst switch and vice versa. Cisco Small Business SFP will not be recognized by Cisco Catalyst switch and will not function; Cisco traditional SFP may be recognized by Cisco Small Business switches and function, but this deployment is not supported by Cisco.

Cisco Small Business switches support the following SFP module.

GE Transceivers

MGBSX1

1000BASE-SX SFP transceiver, for multimode fiber, 850 nm   wavelength, support up to 550 m

MGBLX1

1000BASE-LX SFP transceiver, for single-mode fiber, 1310   nm wavelength, support up to 10 km

MGBLH1

1000BASE-LH SFP transceiver, for single-mode fiber, 1310   nm wavelength, support up to 40 km

MGBBX1

1000BASE-BX-20U SFP transceiver, for single-mode fiber,   1310 nm wavelength, support up to 20 km

MGBT1

1000BASE-T SFP transceiver for category 5 copper wire,   support up to 100 m

FE Transceivers

MFEFX1

100BASE-FX SFP transceiver, for multimode fiber, 1310 nm   wavelength, support up to 2 km

MFELX1

100BASE-LX SFP transceiver, for single-mode fiber, 1310 nm   wavelength, support up to 10 km

MFEBX1

100BASE-BX-20U SFP transceiver for single-mode fiber, 1310   nm wavelength, support up to 20 km

Traditional Cisco products including Catalyst/ISR and other equipment support the following SFP.

GE Transceivers

GLC-SX-MM

SFP-GE-S

Operates on 50 μm multimode fiber links up to 550 m and on   62.5 μm FDDI-grade multimode fibers up to 220 m.

GLC-LH-SM

SFP-GE-L

Operates on standard single-mode fiber-optic link spans of   up to 10 km and up to 550 m on any multimode fibers.

GLC-ZX-SM

SFP-GE-Z

Operates on standard single-mode fiber-optic link spans of   up to approximately 70 km in length.

GLC-BX-D

GLC-BX-U

Operates on a single strand of standard single-mode fiber.   A 1000BASE-BX10-D device is always connected to a 1000BASE-BX10-U device with   a single strand of standard single-mode fiber with an operating transmission   range up to 10 km.

GLC-T

SFP-GE-T

1000BASE-T SFP Transceiver Module for Category 5 copper   wire.

FE Transceivers

GLC-FE-100FX

GLC-GE-100FX

Operates on ordinary multimode fiber-optic (MMF) link   spans up to 2 kilometers long.

GLC-FE-100FX, For 100Mbps Ethernet ports.

GLC-GE-100FX, For Gigabit Ethernet ports.

GLC-FE-100LX

Operates on ordinary single-mode fiber-optic (SMF) link   spans up to 10 kilometers long.

GLC-FE-100BX-D

GLC-FE-100BX-U

Operates on ordinary SMF single-strand link spans up to 10   kilometers long.

GLC-FE-100EX

Operates on ordinary single-mode fiber-optic (SMF) link   spans up to 40 kilometers long.

GLC-FE-100ZX

Operates on ordinary single-mode fiber-optic (SMF) link   spans up to 80 kilometers long.

To interconnect a Small Business switch with Cisco Catalyst switch, you need to use Cisco Small Business SFP on the Small Business switches, and Cisco traditional SFP on Catalyst switches. And the SFP on both sides should follow the same IEEE standard. The mapping table is shown below.

Cisco Small Business SFP

Cisco traditional SFP

GE Transceiver

MGBSX1

GLC-SX-MM

SFP-GE-S

MGBLX1

MGBLH1

GLC-LH-SM

MGBBX1

GLC-BX-D

MGBT1

GLC-T

SFP-GE-T

FE Transceiver

MFEFX1

GLC-FE-100FX

GLC-GE-100FX

MFELX1

GLC-FE-100LX

MFEBX1

GLC-FE-100BX-D

More information about the Cisco Small Business SFP can be found at the following link

http://www.cisco.com/en/US/prod/collateral/modules/ps9934/data_sheet_c78-552203.html

More information about traditional Cisco SFP can be found at the following link

http://www.cisco.com/en/US/products/hw/modules/ps4999/products_tech_note09186a00807a30d6.shtml#model1

Version history
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Last update:
‎05-14-2013 01:06 AM
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Comments
New Member

How about the small business switch transceivers compatibility with Nexus switches? Can we consider the same compatibility table mentioned above for catalyst switches for Nexus compatibility with SB switches.

Cisco Employee

Hi Anoopsisodia. Yes, the mapping table for connecting Cisco Small Business SFP and Cisco traditional SFP also applies to Nexus switch, as long as the Cisco traditional SFP is compatible with the Nexus switch. For more information on the compatibility between Cisco traditional SFP and Nexus switches, please refer to http://www.cisco.com/c/en/us/td/docs/interfaces_modules/transceiver_modules/compatibility/matrix/GE_Tx_Matrix.html

New Member

Thanks a lot Aaron. Much Appreciated!