[j-nsp] GRES on EX-Virtual chassis

[Luca Salvatore]

If you have only two devices then yes, no-split-detection is very very good idea.
If both devices have the same priority I believe that the one that boots first will be the master

Luca

From: Muruganandham M [mailto:sedhuanand at gmail.com]
Sent: Thursday, 4 October 2012 12:56 PM
To: Luca Salvatore
Cc: Eugeniu Patrascu; juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] GRES on EX-Virtual chassis

Thanks all for your tips.

When we have both nodes with the same priority 255, will there be any change in the mastership when both nodes powered off and powered on together?

Further, is it mandatory to enable the "no-split-detection" in this case?

Thanks.

On Thu, Oct 4, 2012 at 8:03 AM, Luca Salvatore <Luca at ninefold.com<mailto:Luca at ninefold.com>> wrote:
I always configure my VC-EX switches all with priority 255.
If they have different priorities you can't manually failover and as mentioned other weird stuff happens.

Luca


-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net<mailto:juniper-nsp-bounces at puck.nether.net> [mailto:juniper-nsp-bounces at puck.nether.net<mailto:juniper-nsp-bounces at puck.nether.net>] On Behalf Of Eugeniu Patrascu
Sent: Thursday, 4 October 2012 3:46 AM
To: Muruganandham M
Cc: juniper-nsp at puck.nether.net<mailto:juniper-nsp at puck.nether.net>
Subject: Re: [j-nsp] GRES on EX-Virtual chassis

On Wed, Oct 3, 2012 at 8:51 AM, Muruganandham M <sedhuanand at gmail.com<mailto:sedhuanand at gmail.com>> wrote:
> Hello,
>
>        I am referring the following link.
>
> http://www.juniper.net/techpubs/en_US/junos10.3/topics/task/configurat
> ion/virtual-chassis-gres-cli.html
>
> Is it mandatory to configure the mastership-priority to 255 to enable
> GRES on the VC ?

IIRC, when you have a two switch EX4200 VC, it's mandatory to set the priority manually to 255 on both members, otherwise weird stuff might happen. I run a pair like this and it's been stable for more than a year now.

Eugeniu
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--
Thanks
Muruganandham M