[j-nsp] EX VC mixed mode experience

[Nitzan Tzelniker]

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 4200to 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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