[j-nsp] Ex Series VC with *both* high-speed backbone *and* link-aggregation

[Paul Zugnoni]

Short answer: You can mix the VCP ports, but you cannot LAG them.

You can have an EX4200 using the back-of-chassis 32Gbps VCP-dedicated ports at the same time using your front-of-chassis XFP or SFP+ also as VCP-configured ports. It's also nice to know that even while doing this, you can use remaining front-of-chassis optical ports as configured inet or switched ports.

I've also had success forming a VC between EX4200s' SFP+ VCP ports through a DWDM network over 30 miles away, though I wouldn't recommend this for a permanent reliable solution.

Paul Zugnoni

On Jan 3, 2012, at 09:36 , Dave Peters wrote:

Hi all--

This is simple, but I can't find definitive proof online . . .

Can I set up a Juniper EX series virtual chassis using a high-speed backbone on one floor of a building and then connect that VC to another switch (or two) via link-aggregation on the SFP ports?

I'm not sure you can mix the VC connections, is all.  Can I use both the stacking backbone on one floor and the SFP links on another floor in the same virtual chassis?

Thanks much.

--
Dave Peters
Technical Director
Terabit Systems
2565 3rd Street  #218
San Francisco, CA  94107

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