BGP nei soft-reconfiguration

Unanswered Question
Apr 22nd, 2009

Can I apply 'BGP nei soft-reconfiguration' to my neighbours in the CCIE lab so that they can learn configuration faster. Is it safe to do this.

I have this problem too.
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Giuseppe Larosa Wed, 04/22/2009 - 22:59

Hello Just,

in a lab environment you can use the old clear ip bgp * without no risk to have impact in a production network.

In general you can do what is not explicitly forbidden but adding unrequested commands require some time.

Hope to help


hasmurizal Thu, 04/23/2009 - 00:09

the other way you may want to clear BGP routing table updates is to use;

"clear ip bgp x.x.x.x in" where x.x.x.x is your neighbor ip address. this way your router will prompt the neighbour router to re-sent bgp table update. much more safer in the production network.

guruprasadr Thu, 04/23/2009 - 00:23

Hi Just,

In Production Environment Perspective:

-Occupies additional memory for storing routing update information.

Recommendations: -

-Use the dynamic soft reset method for resetting the BGP table using: clear ip bgp - - - - soft in/out

Hope I am Informative.


Best Regards,

Guru Prasad R


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