Re: M20 route-engine redundancy

From: Greg Ketell (gketell@juniper.net)
Date: Wed Apr 24 2002 - 17:51:56 EDT


At 02:23 PM 4/24/2002, Przemyslaw Karwasiecki wrote:
>Hello,
>
>I have M20 with two route-engines carying production traffic.
>Currently re0 is slave and re1 is master.
>
>Can I upgrade software on re0 (slave) and reboot it somehow
>without re master re-election?

You should be able to.

>I cannot affect production traffc, and I am affraid that after
>reboot, re0 will be elected as master, and failover will reset
>all BGP sessions etc. which i absolutly cannot allow to happen....

If it is that critical, don't reboot until a maintenance window. NEVER
give murphy a bigger opportunity than you have to.

>PS.
>Is there any specific requirement for PCMCIA (external) flash
>disks for M20?

Only if you are doing a full/fresh install. ie upgrading from
non-encryption to encryption sofware.

GK

>Thanks



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