Hmm, I haven't seen any issues going directly from 9.2R3.5 straight to 
10.0S1.1, but everyone's mileage may vary.

-b


-----Original Message-----
From: Dan Farrell [mailto:[email protected]] 
Sent: Monday, August 09, 2010 1:20 PM
To: Bill Blackford; 'Stefan Fouant'
Cc: 'juniper-nsp'
Subject: RE: [j-nsp] virtual-chassis and interfaces

That difference in JUNOS is HUGE!!!

I had 9.2 or something on an EX3200 that I just fubar'd because I forgot the 
warnings and attempted to upgrade directly to 10.0S.1 . Oh boy.

If you receive 9x loaded switches shipped from Juniper/your vendor, upgrade to 
10x before doing anything else.

Dan

-----Original Message-----
From: Bill Blackford [mailto:[email protected]] 
Sent: Saturday, August 07, 2010 9:46 AM
To: 'Stefan Fouant'; Dan Farrell
Cc: 'juniper-nsp'
Subject: RE: [j-nsp] virtual-chassis and interfaces

I just received a pair, individually set the root-auth and sys login info, then 
attached VCP cables, powered back up and as stated had to create the config. 
Interfaces on the second FPC. 

As a side note: I also noticed that these shipped with 10.1R1.8. Just three 
months ago, another set shipped with 9.2 something.

-b


-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Stefan Fouant
Sent: Saturday, August 07, 2010 6:01 AM
To: 'Dan Farrell'
Cc: 'juniper-nsp'
Subject: Re: [j-nsp] virtual-chassis and interfaces

> -----Original Message-----
> From: Dan Farrell [mailto:[email protected]]
> Sent: Saturday, August 07, 2010 7:20 AM
> To: Stefan Fouant
> Cc: snort bsd; juniper-nsp
> Subject: Re: [j-nsp] virtual-chassis and interfaces
> 
> I see the same thing on fresh configs - once I define something on one 
> of those interfaces, it shows up.

What I've seen in my experience is that if you create a virtual-chassis from a 
factory default configuration, i.e. take them out of the box, stack them, 
connect the VCP cables, and then power them up one by one in the desired order 
of member-id - everything will work perfectly and the configurations should 
have all interfaces defined.  

If there is some other configuration other than factory-default, well then, it 
seems the act of connecting it to the virtual-chassis has the tendency to blow 
away any of the respective interfaces in the configuration referencing the new 
member-id whose interfaces are being brought into the configuration.
As I mentioned previously, this is just for the configurations - the interfaces 
are still in fact active and will show up with a 'show interfaces terse'.

What I will usually do if I've already got interfaces and such configured on a 
standalone device and I want to bring that into a virtual-chassis, as a 
precautionary measure I will save the configuration into a text file.  This way 
if the interfaces are blown away I can simply edit the text file, do a simple 
find and replace function to reset the FPC portion of the respective interfaces 
to the proper member-id, and then do a 'load merge' operation.

Stefan Fouant, CISSP, JNCIEx2
www.shortestpathfirst.net
GPG Key ID: 0xB5E3803D

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