[c-nsp] ghost

[Rodney Dunn]

It's been a while but the problems I always saw with ghost
was the TTL being set to 1 which caused punts.

If you don't want it off the vlan put an ACL in to block it on
ingress. If you want it off the vlan make sure the TTL isn't 1.


On Sat, Oct 28, 2006 at 12:22:44PM -0400, Brant I. Stevens wrote:
> Is it a multicast Ghost session, or unicast?  My guess (based on the CPU
> increase) is the former, in which case, you should verify that IGMP snooping
> is available on that platform, and if it is, enable it.
> 
> 
> On 10/28/06 6:02 AM, "Shaun" <mailinglists at unix-scripts.com> wrote:
> 
> > Doesnt matter if i do 10 or 1, they all go jump up.  I have not checked cpu
> > yet while it's happening, i assume i should do that.
> > 
> > ~Shaun
> > ----- Original Message -----
> > From: "Lajber Zoltan" <lajbi at lajli.gau.hu>
> > To: "Shaun" <mailinglists at unix-scripts.com>
> > Cc: <cisco-nsp at puck.nether.net>
> > Sent: Saturday, October 28, 2006 2:08 AM
> > Subject: Re: [c-nsp] ghost
> > 
> > 
> >> Hi,
> >> 
> >> On Sat, 28 Oct 2006, Shaun wrote:
> >> 
> >>> image to a server it causes my monitor to go nuts because suddenly all
> >>> trunked 2950's ping times start jumping into the 500ms area.  What's
> >>> causing
> >>> this and how can i fix it?
> >> 
> >> 2950 dont like ghost sessions, if more than 10 machine on, they die.
> >> Change to 2960 for example.
> >> 
> >> Bye,
> >> -=Lajbi=----------------------------------------------------------------
> >> LAJBER Zoltan               Szent Istvan Egyetem,  Informatika Hivatal
> >>  Experience is something you don't get until just after you need it
> >> 
> > 
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> 
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