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Yes you can, just login to the redundant engine and perform the
software upgrade. When you upgrade the master however, it is
unavoidable for BGP to be reset. However, it won't fail over to the
secondary (unless you want it to), as it comes back faster than the
failover threshold.
Tony
- -----Original Message-----
From: Przemyslaw Karwasiecki [mailto:karwas@ifxcorp.com]
Sent: Wednesday, April 24, 2002 4:23 PM
To: juniper-nsp@puck.nether.net
Subject: M20 route-engine redundancy
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?
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....
Thank you,
PRzemek
PS.
Is there any specific requirement for PCMCIA (external) flash
disks for M20?
Thanks
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