[AusNOG] Megaport - Link Negotiation

[James Braunegg]

Dear Greg

I’m not talking about running a 1gbit SFP in a 10gbit SFP+ port…. This works ;-)

I’m talking about running a physical 10gbit SFP+ adaptor in a SFP+ port 10gbit Device physical connected to  a 1gbit SFP device which also works.

Our End (Brocade MLXe)   10gbitSFP+ <---- Connected to-----> 1gbit SFP  (Customer or ISP or Upstream equipment) = 1gbit link

Megaport use Brocade MLXe … we also use Brocade MLXe

Kindest Regards

James Braunegg
P:  1300 769 972  |  M:  0488 997 207 |  D:  (03) 9751 7616
E:   james.braunegg at micron21.com<mailto:james.braunegg at micron21.com>  |  ABN:  12 109 977 666
W:  www.micron21.com/ddos-protection<http://www.micron21.com/ddos-protection>   T: @micron21


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From: Greg Macsok [mailto:Greg.Macsok at capricorn.coop]
Sent: Thursday, April 24, 2014 6:43 PM
To: James Braunegg; Skeeve Stevens
Cc: ausnog at lists.ausnog.net
Subject: RE: [AusNOG] Megaport - Link Negotiation

I think the argument was that the Megaport platform (switches ?) didn’t support 1G SFP’s in 10G SFP+ ports?

We are also running 1G LR & Ethernet SFP’s in 10G ports on our Nexus 7k’s without issue.

Greg

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of James Braunegg
Sent: Thursday, 24 April 2014 4:08 PM
To: Skeeve Stevens
Cc: ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>
Subject: Re: [AusNOG] Megaport - Link Negotiation

Dear Skeeve

I beg to differ…….

Please find an example and screen capture below demonstrating that running 10gbit fibre SFP+ into a 1gbit SFP port is possible and does work.

http://micron21.com/ausnog-10gbit.php

Kindest Regards

James Braunegg
P:  1300 769 972  |  M:  0488 997 207 |  D:  (03) 9751 7616
E:   james.braunegg at micron21.com<mailto:james.braunegg at micron21.com>  |  ABN:  12 109 977 666
W:  www.micron21.com/ddos-protection<http://www.micron21.com/ddos-protection>   T: @micron21


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From: Skeeve Stevens [mailto:skeeve+ausnog at eintellegonetworks.com]
Sent: Thursday, April 24, 2014 3:01 PM
To: James Braunegg
Cc: Joseph Goldman; ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>
Subject: Re: [AusNOG] Megaport - Link Negotiation

I don't believe this is true James.


...Skeeve

Skeeve Stevens - eintellego Networks Pty Ltd
skeeve at eintellegonetworks.com<mailto:skeeve at eintellegonetworks.com> ; www.eintellegonetworks.com<http://www.eintellegonetworks.com/>

Phone: 1300 239 038; Cell +61 (0)414 753 383 ; skype://skeeve

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[http://eintellegonetworks.com/logos/ein09.png]

The Experts Who The Experts Call
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On Thu, Apr 24, 2014 at 2:02 PM, James Braunegg <james.braunegg at micron21.com<mailto:james.braunegg at micron21.com>> wrote:
Dear All

If you have a Single mode 10gbit SFP+ (used in say a Brocade MLXe router, like what Megaport use)

And plug this into a 1gbit SFP single mode (at the other end, i.e. your equipment) the service will connect and work at 1gbit perfectly ;-)

Kindest Regards

James Braunegg
P:  1300 769 972  |  M:  0488 997 207 |  D:  (03) 9751 7616
E:   james.braunegg at micron21.com<mailto:james.braunegg at micron21.com>  |  ABN:  12 109 977 666
W:  www.micron21.com/ddos-protection<http://www.micron21.com/ddos-protection>   T: @micron21


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This message is intended for the addressee named above. It may contain privileged or confidential information. If you are not the intended recipient of this message you must not use, copy, distribute or disclose it to anyone other than the addressee. If you have received this message in error please return the message to the sender by replying to it and then delete the message from your computer.

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net<mailto:ausnog-bounces at lists.ausnog.net>] On Behalf Of Joseph Goldman
Sent: Thursday, April 24, 2014 1:56 PM
To: ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>
Subject: Re: [AusNOG] Megaport - Link Negotiation

Are you asking if its possible, or have you noticed a fault where your current connection has negotiated down to 1gbps?
On 24/04/14 13:52, Dylan Chidgey wrote:
Hi AUSNOG,

I am wondering if anyone peering with Megaport has negotiated down to Gigabit on their inter-connect?

Thanks

Dylan.



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