Re: keep alive on the tunnel interface

From: John Wayne (john.wayne.ccie@gmail.com)
Date: Fri Sep 19 2008 - 01:57:10 ART


IP SLA works too

On Thu, Sep 18, 2008 at 4:19 PM, David Prall <dcp@dcptech.com> wrote:

> I've always done it on both ends. What good is it if it isn't configured on
> both ends.
>
> --
> http://dcp.dcptech.com
>
>
> > -----Original Message-----
> > From: Ivan Walker [mailto:ivan@itpro.co.nz]
> > Sent: Thursday, September 18, 2008 3:58 PM
> > To: David Prall
> > Cc: 'ccie'; ccielab@groupstudy.com
> > Subject: Re: keep alive on the tunnel interface
> >
> > According to
> > http://www.cisco.com/en/US/tech/tk827/tk369/technologies_tech_
> > note09186a008040a17c.shtml
> > -> "The tunnel keepalive mechanism functions even if the far tunnel
> > endpoint does not support keepalives." that is not correct.
> >
> > David Prall wrote:
> > > Yes, must be configured on both ends. The tunnel keepalive
> > command requires
> > > timers.
> > >
> > > David
> > >
> > > --
> > > http://dcp.dcptech.com
> > >
> > >
> > >
> > >> -----Original Message-----
> > >> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> > >> Behalf Of ccie
> > >> Sent: Thursday, September 18, 2008 3:11 PM
> > >> To: ccielab@groupstudy.com
> > >> Subject: keep alive on the tunnel interface
> > >>
> > >> Hi expert,
> > >>
> > >> If I have tunneling interface between two routers, does the
> > >> keep alive on
> > >> this interface send a periodic keep alive from the tunnel
> > >> source to the
> > >> tunnel destination. E.g. does the up of the tunnel interface
> > >> mean that there
> > >> is a reach ability between the tunnel source and the tunnel
> > >> destination.
> > >>
> > >> Regards,
> > >>
> > >> Amin
> > >>
> > >>
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> > >>
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> > >
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>
>
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