Re: [Isis-wg] LSP Purges

[Qin Wu <[e-mail]>]

Right, my fault, thanks for kindly reminder.

Regards!
-Qin
-----Original Message-----
From: Les Ginsberg (ginsberg) [mailto:[e-mail]] 
Sent: Wednesday, September 25, 2013 3:07 PM
To: Qin Wu; Anshuman; [e-mail]
Subject: RE: [Isis-wg] LSP Purges

Hmmm...this seems an opportune moment to remind folks NOT to "see RFC1142" - look at ISO 10589 instead.

http://datatracker.ietf.org/doc/draft-ietf-isis-rfc1142-to-historic/

(Apologies Qin - you are not the first and likely not the last...)

   Les


> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On Behalf Of
> Qin Wu
> Sent: Tuesday, September 24, 2013 11:07 PM
> To: Anshuman; [e-mail]
> Subject: Re: [Isis-wg] LSP Purges
> 
> See RFC1142, when IS resigns as Designated IS, it will initiate a purge, when
> adjacency is taken down, the IS can initiate purge,
> When lifetime field is zero, the IS will initiate a purge.
> 
> In worse case, it will cause purge storm, RFC6232 provides a way to locate
> who flooded the purged LSP.
> 
> Regards!
> -Qin
> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On Behalf Of
> Anshuman
> Sent: Wednesday, September 25, 2013 1:40 PM
> To: [e-mail]
> Subject: Re: [Isis-wg] LSP Purges
> 
> Hi,
> 
> ANd i understand that an IS can initiate a purge if it finds a corrupted LSP.
> What are the other scenarios? Why would somebody explicitly want to purge the
> LSP?
> 
> Thanks, Anshuman
> 
> 
> ----- Original Message -----
> > From: Anshuman <[e-mail]>
> > To: "[e-mail]" <[e-mail]>
> > Cc:
> > Sent: Wednesday, 25 September 2013, 10:47
> > Subject: [Isis-wg] LSP Purges
> >
> > Hi,
> >
> > As per http://tools.ietf.org/html/rfc6232, its usually an implementation
> issue
> > that results in an IS initiating a purge of LSPs that some other IS had
> > generated.
> >
> > I am trying to understand a valid scenario when an IS would want to purge
> LSPs
> > generated by some other IS.
> >
> > In fact, i would like to understand when somebody would issue a command
> like
> > "clear isis database purge" (on Juniper).
> >
> > Thanks, Anshuman
> > _______________________________________________
> > Isis-wg mailing list
> > [e-mail]
> > https://www.ietf.org/mailman/listinfo/isis-wg
> >
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