Ethernet to Gigabit port converter for Cisco 3560?

Answered Question
Mar 10th, 2010

Hi,

We have two buildings which are connected by OFC. I have a Cisco 3560 switch where all my vlan configuration is done. I need all vlan's to be available in our second building also. But I think we need a Giga port to communicate between the ofc-ethernet converters in the two buildings.

Is there a converter to convert an ethernet port in cisco 3560 to Gigabit port so that I can make this port trunk and get all vlan info in the second building?

Appreciate any response.

Thanks in advance.

Ribin Jones S.B

I have this problem too.
0 votes
Correct Answer by cdelafuente31 about 6 years 8 months ago

Hello,

You can use the copper SFP + media converter or the F.O SFP without media converter. I.E.:

3560 - SFP (1000BASE-T) ---------- Media converter ------ F.O.------ Media converter ------- Cisco 500

3560 - SFP (1000BASE-LX or SX) ---------- F.O. ------------ Media converter ------- Cisco 500

If you choose the second option, the protocol used by the SFP (1000BASE-SX, 1000BASE-LX…) must match with the one used by the media converter in the other end.

You won’t have any problems with VLANs regardless the SFP you choose.

Best regards,

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cdelafuente31 Wed, 03/10/2010 - 03:16

Hi Ribin,

I don't know a port converter for Cisco 3560, but I think that a possible alternative is a 10/100BASE-T/100BASE-FX media converter instead the 1Gb media converter. I think these converters aren't very expensive.

Best Regards,

César.

Ganesh Hariharan Wed, 03/10/2010 - 03:31

Hi,

We have two buildings which are connected by OFC. I have a Cisco 3560 switch where all my vlan configuration is done. I need all vlan's to be available in our second building also. But I think we need a Giga port to communicate between the ofc-ethernet converters in the two buildings.

Is there a converter to convert an ethernet port in cisco 3560 to Gigabit port so that I can make this port trunk and get all vlan info in the second building?

Appreciate any response.

Thanks in advance.

Ribin Jones S.B

Hi Ribin,

Check out the below link hope to help!!

http://www.cisco.com/en/US/docs/switches/lan/catalyst3750e_3560e/hardware/install/notes/1757202.html#wp92781

Ganesh.H

ribin.jones Wed, 03/17/2010 - 02:24

Hi,

Thanks for the replies.

I have 2 SFP ports in this switch and these are shown as GigabitEthernet0/1 and GigabitEthernet0/2 as I run sh ip int brief. What can I do with this?

- Ribin

cdelafuente31 Wed, 03/17/2010 - 02:45

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Hello,

You can install a GLC-T= (1000BASE-T SFP transceiver module for Category 5 copper wire)


But if you can install two GLC-SX-MM= (or the single mode version, it depends the FO you have installed), one in each edge switch, you don’t have to use the media converter.

Best regards,

ribin.jones Wed, 03/17/2010 - 03:32

So, I need to use GLC-T= (1000BASE-T SFP transceiver module for  Category 5 copper wire) or the module for Optical wire?

In the other end, I have a media converter and the out is connected to the Cisco 500 series Express switch.

My thinking is that, if I use the transeiver module in the L3 switch end, I can make this port trunk and get all vlan info to the Cisco Express 500 series switch. Am I correct? Please correct me if I am wrong.

- Ribin

Correct Answer
cdelafuente31 Wed, 03/17/2010 - 04:07

Hello,

You can use the copper SFP + media converter or the F.O SFP without media converter. I.E.:

3560 - SFP (1000BASE-T) ---------- Media converter ------ F.O.------ Media converter ------- Cisco 500

3560 - SFP (1000BASE-LX or SX) ---------- F.O. ------------ Media converter ------- Cisco 500

If you choose the second option, the protocol used by the SFP (1000BASE-SX, 1000BASE-LX…) must match with the one used by the media converter in the other end.

You won’t have any problems with VLANs regardless the SFP you choose.

Best regards,

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