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Can a 10GE Optical Interface Use a GE Optical Module?

VTP, Portfast, Spanning Tree and all the other switch related stuff.

Can a 10GE Optical Interface Use a GE Optical Module?

Postby jorna » Wed Jul 20, 2016 10:58 pm

Fixed Switches
10GE XFP interfaces cannot use GE optical modules. Only 10GE SFP+ interfaces on switches of certain models and versions can use GE optical modules. For details, see Table 1.

Table 1 10GE interface support for GE optical modules Series
Support for 10GE Interface
Support for GE Optical Module on 10GE Optical Interface

S2700
Not supported
NA

S2750

S3700

S5700-LI
Supported (fixed interfaces of the models with an X in product names, for example, S5700-28X-LI-AC)
Supported

S5700S-LI
Not supported
Not supported

S5700-SI
Supported by all models except the TP models(fixed interfaces or interfaces on 10GE interface cards)
Supported

S5700-EI
Supported (10GE interface cards)
Not supported

S5700-HI
Supported (10GE interface cards)
Supported

S5710-LI
Supported (10GE interface cards)
Supported

S5710-EI
Supported (fixed interfaces or interfaces on 10GE interface cards)
Supported

S5710-HI
Supported (fixed interfaces or interfaces on 10GE interface cards)
Supported on fixed 10GE interfaces, not on 10GE interface cards

S5720-HI
Supported (fixed interfaces or interfaces on 10GE interface cards)
Supported on fixed 10GE interfaces, not on 10GE interface cards

S6700
Supported (fixed interfaces)
Supported

On the S6700 of V100R006C00SPC800, when a GE optical module is installed on a 10GE optical interface, the interface speed automatically changes to 1000 Mbit/s and the interface works in non-auto-negotiation mode. If the 10GE interface connects to a GE interface, the GE interface must also work in non-auto-negotiation mode. Otherwise, the two interfaces cannot go Up. After patch V100R006SPH005 is loaded, the 10GE optical interface with a GE optical module installed can be switched to the auto-negotiation mode using the negotiation auto command. The interface can then communicate with an optical interface that works at 1000 Mbit/s in auto-negotiation mode.

In versions later than V100R006C00SPC800, a 10GE interface automatically works at 1000 Mbit/s in auto-negotiation mode after a GE optical module is installed.


Modular Switches
10GE interfaces on the following cards support GE optical modules:

S7700: ES1D2X16SFC0, ES1D2X40SFC0
S9700: EH1D2X16SFC0, EH1D2X40SFC0, EH1D2X48SEC0
jorna
Cisco 2611
 
Posts: 53
Joined: Tue Jul 07, 2015 1:23 am

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