All things related to multicast

[Marshall Eubanks <>]

Well, we are running

multicasttech-2>show version     
Cisco Internetwork Operating System Software 
IOS (tm) 7200 Software (C7200-JO3S56I-M), Version 12.1(5)T1,  RELEASE
SOFTWARE (fc1)

so it is not clear here why a fix from November shouldn't be in...

Marshall

Havard Eidnes wrote:
> 
> > > Bad SA from RP 141.142.12.1 for (141.142.214.8, 233.2.171.1)
> > >
> > > The most recent full warning is
> > >
> > > *Feb  4 10:18:41: %PIM-6-SA_ENCAP_INVALID: Bad SA from RP 141.142.12.1
> > > for (141.142.214.8, 233.2.171.1); additional info = 14 0 0 14 7000D58
> > > 7000D58 FFFF 0
> >
> > This is a known issue; check the wg-multicast archives for last
> > November for a discussion.  At that time the problem was reported
> > to be related to the way Junipers send SA messages, and that
> > router at NCSA happens to be a Juniper.
> >
> > The Cisco bug ID is said to be CSCdr49641, fixed in lots of recent
> > releases. What are you running?
> 
> I'm also seeing similar log messages, and I'm running 12.0(14.6)S1
> on this particular box, so it should have the fix for the above
> mentioned bug-ID.
> 
> Here's a few of my recent messages:
> 
> 006606: Feb  5 21:29:56: %PIM-6-SA_ENCAP_INVALID: Bad SA from RP 
> 141.142.12.1 for (69.0.0.32, 218.77.0.0); additional info = 2020 E73FB61E 
> 8D8EDC47 2020 629DABCC 629DABCC FFFF 0
> 006607: Feb  5 21:36:47: %PIM-6-SA_ENCAP_INVALID: Bad SA from RP 
> 141.142.12.1 for (69.0.0.32, 126.82.0.0); additional info = 2020 E73FB61E 
> 8D8EDC47 2020 629DF580 629DF580 FFFF 0
> 006608: Feb  5 21:37:48: %PIM-6-SA_ENCAP_INVALID: Bad SA from RP 
> 141.142.12.1 for (69.0.0.87, 229.192.0.0); additional info = 2020 E904C801 
> 8D8E1995 2020 629DABCC 629DABCC FFFF 0
> 006609: Feb  5 21:48:28: %PIM-6-SA_ENCAP_INVALID: Bad SA from RP 
> 141.142.12.1 for (141.142.214.8, 233.2.171.1); additional info = 14 0 0 14 
> 6278196C 6278196C FFFF 0
> 
> It would seem that the first two are SAs for non-multicast groups(!).
> 
> The last one seems to be the multicast beacon group; perhaps no
> wonder we're having trouble receiving sources there...
> 
> Is there anyone else here with a bit more clue about what is
> actually causing these events?
> 
> Regards,
> 
> - Havard

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