[j-nsp] EX VC mixed mode experience

[Riccardo S]

Is there a way to have more details about PSN 2013-03-868 ?

Tks

From: nitzan.tzelniker at gmail.com
Date: Sat, 2 Mar 2013 21:06:07 +0200
Subject: Re: [j-nsp] EX VC mixed mode experience
To: amos at oasis-tech.net
CC: dim0sal at hotmail.com; juniper-nsp at puck.nether.net

The case with the 4550 in VC is PSN 2013-03-868
Nitzan





On Fri, Mar 1, 2013 at 7:58 PM, Amos Rosenboim <amos at oasis-tech.net> wrote:


We have deployed a mixed mode 4500/4200 small VC as a part of mobile network core and it is running smoothly so far.

We don't have significant throughput, and we don't run any fancy features.

It's simply serves as L2 port extension for MX routers.



We have also tried to deploy mixed mode between 4550 and 4200 for an ISP and had serious issues with arp replies not being forwarded from the 4200 to hosts on the 4550.



JTAC are working on this and we rolled back to using the switches as standalone and interconnected the switches using a LAG.





Amos



Sent from my iPhone



On 1 Mar 2013, at 17:52, "Riccardo S" <dim0sal at hotmail.com<mailto:dim0sal at hotmail.com>> wrote:







I'm wondering if anybody have info or experience in a scenario

with mixed virtual-chassis (6 equipments between 4500 and 4200) with high density

(more or less 70) of 10GBs ports.



Since these architecture should be placed in a

very sensitive position (servers and storage managing online systems of an important airport),

I'd like to have some "informal" feedbacks if any problems or whatelse have been experienced by somebody...



Why chose this design ? only costs...



Tks



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