[j-nsp] M20 redundancy config?

[MPuras at solunet.com]

Hi Bill,

I would also look into configuring system processes for failover in case you
have a deamon failure.


ex.
[edit system]
processes {
    routing failover other-routing-engine;
}

in the above example, if the routing deamon (rpd) on RE0 (master) fails it
would cause a switchover to the other RE.




Thanks, 

Mario Puras 
SoluNet Technical Support
Mailto: mpuras at solunet.com
Direct: (321) 309-1410  
888.449.5766 (USA) / 888.SOLUNET (Canada) 



-----Original Message-----
From: billp [mailto:billp at wjp.net]
Sent: Friday, May 23, 2003 9:13 AM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] M20 redundancy config?


After looking through all the docs and notes, I have come up with
the following config to enable reduncancy on an M20 (installed
dual RE and dual SSB):

chassis {
    redundancy {
        routing-engine 0 master;
        routing-engine 1 backup;
        ssb 0 preferred;
        failover on-loss-of-keepalives;
    }
}

I also use "commit sync" when committing configs, and try and
do a "request system snapshot" on both RE's individually, 
occasionally.

Question is- is this the proper configuration and operational
way to ensure redundancy in case of an RE or SSB failure?

Is there a better 'best practice'?

Any input appreciated.  Any other ideas/methods to increase
reliability/failover/etc would also be appreciated.

thanks
bill

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