cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

MS390 10 gigabit backwards compatibility

Highlighted
Here to help

MS390 10 gigabit backwards compatibility

Does anyone know if the MS390 is backwards compatible with some of the earlier 10 gigabit standards like 802.3ae  or 802.3an?

 

https://en.wikipedia.org/wiki/10_Gigabit_Ethernet

 

 

2 REPLIES 2
Kind of a big deal

Re: MS390 10 gigabit backwards compatibility

802.3ae is a bunch of standards for 10Gbe over fibre.  You can check the SFP+ compatibility guide which lists all the specific combinations.  You need an SFP+ to match the specific requirement.

https://meraki.cisco.com/lib/pdf/meraki_datasheet_sfp.pdf 

 

802.3an is 10GBaseT.  The answer is more complicated here, partly because of the number of models and the types of ports offered.  Any of the models that say they have MGig ports should work.

MGig ports can auto-negoiate 1Gb/s, 2.5Gb/s, 5Gb/s and 10Gb/s.  If you plug it into a NIC that can only support 10GBaseT it should run at that speed.

 

I say "should" because I have also heard of 10GBaseT NICs that fail to talk to auto-negotiating Mgig ports, however I have not had any first hand experience with this issue.

Highlighted
Here to help

Re: MS390 10 gigabit backwards compatibility

Thanks for the information Phillip.

I'm going to request a trial of an MS390 for the customer and I will let everyone know what I find out.

 

Welcome to the Meraki Community!
To start contributing, simply sign in with your Cisco account. If you don't yet have a Cisco account, you can sign up.