[j-nsp] IS-IS bug in 7.3?

Gordon Smith gsmith at wxc.co.nz
Wed Sep 21 20:48:45 EDT 2005


Fantastic!!

Thanks for that Harry, that's exactly what it is  :-)

Cheers,
Gordon
 

> -----Original Message-----
> From: Harry Reynolds [mailto:harry at juniper.net] 
> Sent: Thursday, 22 September 2005 12:45 p.m.
> To: Gordon Smith; juniper-nsp at puck.nether.net
> Subject: RE: [j-nsp] IS-IS bug in 7.3?
> 
> Sound like you are the DID. As I recall, the configurable 
> timers are for non-dis. Once elected DIS they are cut by 1/3 
> to promote rapid recovery from DID failure. This has been the 
> case for several version, since 4.x at least. Any chance you 
> can confirm by setting a low priority, say a value of 1? This 
> should force another router with default pri of 64 to 
> supersede DIS functions. I suspect that you have a priority 
> tie and MAC address is coming into play making it seem like a 
> version thing.
> 
> HTHs
> 
> 
> From docs:
> 
> Modifying the Hello Interval
> Routers send hello packets at a fixed interval on all 
> interfaces to establish and maintain neighbor relationships. 
> This interval is advertised in the hello interval field in 
> the hello packet. By default, a designated intersystem (DIS) 
> router sends hello packets every 3 seconds, and a non-DIS 
> router sends hello packets every
> 9 seconds.
> 
>  



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