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CISCO 3560G with SFP-10G-SR

Posted on 2011-04-24
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Last Modified: 2012-05-11
Quick one,

Can the SFP-10G-SR transciever work with a Cisco 3560G serise switch?  I have two SFP+ that I want to connect  a 10G fiber.  Only I am not sure the switch will work with the 10G transciever.

Thanks

Frank
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Question by:Frankkadaf
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lrmoore earned 320 total points
ID: 35456373
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by:Frankkadaf
ID: 35456376
Will it downgrade or just not work at all?
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by:koudry
koudry earned 180 total points
ID: 35456506
Hello,

The Cisco 3560 switch is a basic switch. It has from 8 to 48 10/100 ports and up to 4 SFP-based Gigabit Ethernet ports depending on the models. Bellow is a summary of models:

-------------------------
Cisco Catalyst 3560-8PC: 8 Ethernet 10/100 ports with PoE and 1 dual-purpose 10/100/1000 and SFP port; compact form factor with no fan

• Cisco Catalyst 3560-12PC: 12 Ethernet 10/100 ports with PoE and 1 dual-purpose 10/100/1000 and SFP port; compact form factor with no fan

• Cisco Catalyst 3560-24TS: 24 Ethernet 10/100 ports and 2 Small Form-Factor Pluggable (SFP)-based Gigabit Ethernet ports; 1 rack unit (RU)

• Cisco Catalyst 3560-48TS: 48 Ethernet 10/100 ports and 4 SFP-based Gigabit Ethernet ports; 1RU

• Cisco Catalyst 3560-24PS: 24 Ethernet 10/100 ports with PoE and 2 SFP-based Gigabit Ethernet ports; 1 RU

• Cisco Catalyst 3560-48PS: 48 Ethernet 10/100 ports with PoE and 4 SFP-based Gigabit Ethernet ports; 1RU

• Cisco Catalyst 3560G-24TS: 24 Ethernet 10/100/1000 ports and 4 SFP-based Gigabit Ethernet ports; 1RU

• Cisco Catalyst 3560G-48TS: 48 Ethernet 10/100/1000 ports and 4 SFP-based Gigabit Ethernet ports; 1RU

• Cisco Catalyst 3560G-24PS: 24 Ethernet 10/100/1000 ports with PoE and 4 SFP-based Gigabit Ethernet ports; 1RU

• Cisco Catalyst 3560G-48PS: 48 Ethernet 10/100/1000 ports with PoE and 4 SFP-based Gigabit Ethernet ports; 1RU


Source of information:

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5528/product_data_sheet09186a00801f3d7d.html
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The 10GBASE-X SFP-10G-SR transciever will never work on the Cisco 3560 because this transciever needs a 10G module (WS-X6704-10GE) which can be found on high end / core devcies such as Cisco 7606-S router, Cisco 6509-E switch etc.

I am not sure what your objective is, but the 10G transcievers are used on the core network routers. If you need that level of traffic capacity, then you are looking at acquring a Cisco 7600 router or Cisco 6500 switch which costs a fortune.  I cannot give any more information unless you want me to.


See also:

Cisco Catalyst 6500 Series10 Gigabit Ethernet Modules Data Sheet @ http://www.cisco.com/en/US/solutions/collateral/ns340/ns517/ns224/ns668/net_business_benefit0900aecd805348f3.html

Cisco Catalyst 6500 Series Switches - Data sheet @ http://www.cisco.com/en/US/products/hw/switches/ps708/products_data_sheets_list.html

Cisco 7600 Series Routers @ http://www.cisco.com/en/US/products/hw/routers/ps368/

Good luck

koudry
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Expert Comment

by:lrmoore
ID: 35456660
>just not work at all
Correct.
A 10G SFP will never work in a 1G SFP port
3560G only has 1G SFP ports
3560X has 4 ports that can be either 2 x 10G or 4 x 1G depending on the SFP.
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Author Comment

by:Frankkadaf
ID: 35456743
Can link aggregation be done over two 1g SFP transformers via minigboc ports? That way I can switch out the SFP's and to 1g.
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by:koudry
ID: 35457017
Hello,

I am not familiar with the concept of "minigboc ports" but below is a paragraph I can read from my CCNP SWITCH exam book:

"Finally, Cisco has extended the concept of Fast EtherChannel to bundle several Gigabit Ethernet links to act as a single physical connection.  With Gigabit EtherChannel (GEC), thow to eight full-duplex Gigabit Ethernet connections can be aggregated, for a single logical link of up to 16-Gbps throughput."

So if I understand very well, you can use the gigabit port (and this should work whether you are using SFP or not) to make up a channel of up to 16-Gbps.

see also:

Cisco EtherChannel Technology @ http://www.cisco.com/en/US/tech/tk389/tk213/technologies_white_paper09186a0080092944.shtml

VLAN Mapping to Gigabit EtherChannel (GEC) Member Links @ http://www.cisco.com/en/US/docs/ios/lanswitch/configuration/guide/lsw_cfg_gecvlan.html

EtherChannel for the Cisco Cable Modem Termination System  @ http://www.cisco.com/en/US/docs/ios/cable/configuration/guide/cmts_etherchan.pdf

Thanks.
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Expert Comment

by:koudry
ID: 35457035
Hello,

I have found some info on "Mini gbic"

"A gigabit interface converter (GBIC) is a standard for transceivers, commonly used with Gigabit Ethernet and fibre channel"

I never knew they are called Minigbic. I always call them SFP which is generic. Thanks very for this info. I like to learn new stuff.

Thanks.
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Author Comment

by:Frankkadaf
ID: 35457088
Sorry it was a typo from my cell phone. I was trying to type mini gbic ports, small form factor for SFP transceivers.

Thanks for the info on the LA! Up to 16gb is impressive!
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