I would think that LMI is disabled and no keepalive is
set on the point-to-point interfaces therefore even
though PVC is down . Interface still show up up . My
advice is that you should always turn on LMI unless it
is a simplex link for the case of a satellite
receive-only downlink
regards,
suaveguru
--- MADMAN wrote:
> The reason that both serial interfaces stay up is
> because the routers
> are talking LMI their repective switches no
> problemo. On a link between
> the US and Asia thaere are most likely other
> switches and network
> devices so if you did a sh frame pvc you would see
> your PVC is either
> inactive or deleted.
>
> Dave
>
> Jim Bond wrote:
> >
> > Nice try, but no, keepalive is not disabled. By
> the
> > way, sometimes, interface will go "down"...
> >
> > --- Ole Drews Jensen wrote:
> > > I don't know if this is the problem, but if you
> have
> > > keepalives disabled
> > > with the 'no keepalive' command, the link will
> stay
> > > up even though the PVC
> > > goes down.
> > >
> > > A 'show conf' from both routers would help.
> > >
> > > Hth,
> > >
> > > Ole
> > >
> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > Ole Drews Jensen
> > > Systems Network Manager
> > > CCNA, MCSE, MCP+I
> > > RWR Enterprises, Inc.
> > > [EMAIL PROTECTED]
> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > http://www.RouterChief.com
> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > NEED A JOB ???
> > > http://www.oledrews.com/job
> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >
> > >
> > > -----Original Message-----
> > > From: Jim Bond [mailto:[EMAIL PROTECTED]]
> > > Sent: Thursday, September 20, 2001 4:56 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: frame relay question [7:20609]
> > >
> > >
> > > Hello,
> > >
> > > We have AT&T frame line between US and Asia.
> > > Sometimes
> > > frame line is not available (therefore ISDN
> backup
> > > kicked in). But the weird thing is on both side
> > > frame
> > > routers, show serial interface says up. I
> couldn't
> > > ping between the 2 frame routers. Worse, on the
> > > syslog
> > > server, the link down was not captured 'cause
> the
> > > serial were still "up".
> > >
> > > What can I do to collect some fact and data so I
> can
> > > yell at AT&T?
> > >
> > > Thanks in advance.
> > >
> > > Jim
> > >
> > >
> __________________________________________________
> > > Terrorist Attacks on U.S. - How can you help?
> > > Donate cash, emergency relief information
> > >
> >
>
http://dailynews.yahoo.com/fc/US/Emergency_Information/
> > [EMAIL PROTECTED]
> >
> > __________________________________________________
> > Terrorist Attacks on U.S. - How can you help?
> > Donate cash, emergency relief information
> >
>
http://dailynews.yahoo.com/fc/US/Emergency_Information/
> --
> David Madland
> Sr. Network Engineer
> CCIE# 2016
> Qwest Communications Int. Inc.
> [EMAIL PROTECTED]
> 612-664-3367
>
> "Emotion should reflect reason not guide it"
[EMAIL PROTECTED]
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