Thanks – I’m really not sure to be honest … just seen some weird bugs with LAG 
over the years and thought it might be worthwhile to eliminate for testing 
purposes.  This way you at least have one less thing to consider as the source 
of the issue.

 

I haven’t seen anything like this in 13.3R2 but just getting involved with my 
first MPC4E 100G port deployments this week so was kind of curious….

 

Cheers,

Paul

 

 

From: Giuliano Medalha [mailto:[email protected]] 
Sent: Friday, February 6, 2015 12:19 PM
To: Paul Stewart
Cc: [email protected]
Subject: Re: [j-nsp] Question about 100 Gbps MPC4E

 

Paul, we didnt do this test.

We can do it ... 

But we will need to run in ae5, because the traffic is very high today 90 Gbps 
and will rise a lot for the next few months.

The junos version is 13.3R2.

Do you think that ae5 configuration is not helping ?

We did the same test, on the same box, with 12 x 10G SFPP (MPC4E) and it works 
fine.

Thanks a lot,

Giuliano




Giuliano Cardozo Medalha
Systems Engineer
+55 (17) 3011-3811

+55 (17) 98112-5394
JUNIPER J-PARTNER ELITE
[email protected] <mailto:[email protected]> 
http://www.wztech.com.br/





​

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On Fri, Feb 6, 2015 at 3:01 PM, Paul Stewart <[email protected] 
<mailto:[email protected]> > wrote:

If you take the 100G port out of LAG does it have any impact on the issue you 
are seeing?  Can you share software version you are running?

Thanks,
Paul


-----Original Message-----
From: juniper-nsp [mailto:[email protected] 
<mailto:[email protected]> ] On Behalf Of Giuliano Medalha
Sent: Friday, February 6, 2015 4:35 AM
To: Adam Vitkovsky
Cc: [email protected] <mailto:[email protected]> 
Subject: Re: [j-nsp] Question about 100 Gbps MPC4E

Adam,

Sorry about delay to answer this post.

We are trying to connect our JUNIPER MX960 router to a IX (Internet Exchange 
Point).

Once you are connected for the first time, the guys from the IX did a simple 
test (linux script) .. similar to an limited ARP Spoofing on every single 
physical port to evaluate the number of MAC answers supported for the router 
(minimum accepted is 1200). They will connect you to L2 main matrix.

We have another board on this router ... same MPC4E with 32 x 10G SFPP 
interfaces.  When we did the same ARP Spoofing test using a LAG with 8 x 10G 
interfaces ... it works fine.

With the new MPC4E board (2 x 100G + 8 x 10G SFPP) the test is not working.
The 100G (et-x/x/x) interface configured inside an AEx logical interface does 
not answer more than 80 MACs ...

We did every single configuration possible on this board ... but nothing is 
working.

The router learns the 1200 MACs ... but the answer does not return to the pc 
machine tester.

I was thinking about some special configuration for this board to do it to 
work. JUNIPER said that there is not any special configuration needed.

Today we will do a simple test using ettercap and a switch with 10G connections 
directly to the new board to see if we got something different.

Thanks a lot,

Giuliano

Giuliano Cardozo Medalha
Systems Engineer
+55 (17) 3011-3811
+55 (17) 98112-5394
JUNIPER J-PARTNER ELITE
[email protected] <mailto:[email protected]> 
http://www.wztech.com.br/





WZTECH is registered trademark of WZTECH NETWORKS.
Copyright © 2014 WZTECH NETWORKS. All Rights Reserved.

IMPORTANTE:
As informações deste e-mail e o conteúdo dos  eventuais  documentos anexos são 
confidenciais e para conhecimento exclusivo do destinatário. Se o leitor  desta 
 mensagem  não  for o seu destinatário, fica desde já notificado de que não 
poderá  divulgar,  distribuir ou, sob qualquer forma, dar conhecimento a 
terceiros das informações e do conteúdo dos documentos anexos. Neste caso, 
favor comunicar imediatamente o remetente, respondendo este e-mail ou 
telefonando ao mesmo, e em seguida apague-o.

CONFIDENTIALITY NOTICE:
The information transmitted in this email message and any attachments are 
solely for the intended recipient and may contain confidential or privileged 
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delete the material from any computer, including any copies.

On Fri, Jan 30, 2015 at 6:53 AM, Adam Vitkovsky <[email protected] 
<mailto:[email protected]> 
> wrote:

> Hello Giuliano,
>
> I somehow did not get what is not working exactly?
> Are the ports not coming up? Is the LACP not coming up? Or you can't
> pass frames between the VLANs?
>
> adam
> > -----Original Message-----
> > From: juniper-nsp [mailto:[email protected] 
> > <mailto:[email protected]> ] On
> > Behalf Of Giuliano Medalha
> > Sent: 30 January 2015 01:13
> > To: [email protected] <mailto:[email protected]> 
> > Subject: [j-nsp] Question about 100 Gbps MPC4E
> >
> > ​People,
> >
> > We have a router (MX960) with the following MPC4E board (with SCBE2):
> >
> > http://www.juniper.net/documentation/en_US/release-
> > independent/junos/topics/reference/general/mpc4e-2x100ge-8x10ge.html
> >
> >
> > We are using it configured as aggregated ethernet AE3 (with LACP)
> > connecting to a CISCO ASR9000 router (minimum-links 1 and link-speed
> > 100g with MTU 9192) using flexible-vlan-tagging and 2 vlans (unit
> > 100 and unit 200).
> >
> > I have found some specific documents about running this board on a
> special
> > way called SA-MULTICAST.
> >
> > http://www.juniper.net/techpubs/en_US/junos14.2/topics/task/configur
> > ati on/interfaces-mpc4e-100-ge-interop-sa-multicast.html
> >
> > My question is ... there is some special way to configure this board
> > to talk with CISCO ASR9000 board ? Does cisco needs this king of
> > configuration on juniper to work ?
> >
> > Something like 2 aggregated of 50 Gbps interfaces ? et-4/0/1:0
> > et-4/0/1:1
> >
> > Do you have something similar in your backbones ? Its necessary to
> > do some special config or adjustment ?
> >
> > There is some MAC-LEARNING limit configured by default on this board ?
> >
> > Could you please help me how to find the correct way to put it to work ?
> >
> > Thanks a lot,
> >
> > Giuliano
> > _______________________________________________
> > juniper-nsp mailing list [email protected] 
> > <mailto:[email protected]> 
> > https://puck.nether.net/mailman/listinfo/juniper-nsp
>
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