Hi All Thank you for your support, most probably what we are gonna do is: - try turning GRES/NSR on/off - upgrade to 10.4R8.5 or 10.4R9 Currently we are waiting JTAC response. I'll let you once it is solved.
Thank you again Mohammad Salbad -----Original Message----- From: Stefan Fouant [mailto:sfou...@shortestpathfirst.net] Sent: Wednesday, February 15, 2012 11:08 PM To: Daniel Roesen Cc: Morgan McLean; juniper-nsp@puck.nether.net; Mohammad Subject: Re: MX960 Redundant RE problem I was referring more to a bug in hardware... Bad memory, etc. Stefan Fouant JNCIE-SEC, JNCIE-SP, JNCIE-ER, JNCI Technical Trainer, Juniper Networks Follow us on Twitter @JuniperEducate Sent from my iPad On Feb 15, 2012, at 1:56 PM, Daniel Roesen <d...@cluenet.de> wrote: > On Wed, Feb 15, 2012 at 12:24:50PM -0500, Stefan Fouant wrote: >> The cool thing is the Backup RE is actually listening to all the >> control plane messages coming on fxp1 destined for the Master RE and >> formulating it's own decisions, running its own Dijkstra, BGP Path >> Selection, etc. This is a preferred approach as opposed to simply >> mirroring routing state from the Primary to the Backup is because it >> eliminates fate sharing where there may be a bug on the Primary RE, >> we don't want to create a carbon copy of that on the Backup. > > I don't really buy that argument. Running the same code with the same > algorithm against the same data usually leads to the same results. > You'll get full bug redundancy - I'd expect RE crashing simultaneously. > Did NSR protect from any of the recent BGP bugs? > > The advantage I see are less impacting failovers in case of a) > hardware failures of active RE, or b) data structure corruption > happening on both REs [same code => same bugs], but eventually leading > to a crash of the active RE sooner than on the backup RE, or c) race > conditions being triggered sufficiently differently timing-wise so > only active RE crashes. > > Am I missing something? > > Best regards, > Daniel > > -- > CLUE-RIPE -- Jabber: d...@cluenet.de -- dr@IRCnet -- PGP: 0xA85C8AA0 _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp