RE: Frame-relay Unwanted DLCI's on the interface

From: Martin Kiefer (martin@kiefer.dk)
Date: Fri Mar 30 2007 - 08:13:07 ART


Hi.

You can reload your routers as often as it is necessary. Don't worry about
that.

/Martin

> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> CCIE 19999
> Sent: Friday, March 30, 2007 12:35 PM
> To: Lab Dude; Shamin
> Cc: Cisco certification
> Subject: Re: Frame-relay Unwanted DLCI's on the interface
>
> In your experience if you reload the routers for numerous times, would
> it
> harm the hardware. I believe the hardware in production environment is
> not
> meant to restart many times a day. I am a bit scared to do this in my
> home
> lab.
>
> Any guidelines welcome.
> Regards,
> RS
>
> ----- Original Message -----
> From: "Lab Dude" <ccielabdude@gmail.com>
> To: "Shamin" <ccie.xpert@gmail.com>
> Cc: "Cisco certification" <ccielab@groupstudy.com>
> Sent: Friday, March 30, 2007 7:59 PM
> Subject: Re: Frame-relay Unwanted DLCI's on the interface
>
>
> > Shutdown your interfaces connected to FR cloud, save your config and
> > reload
> > on ALL routers in your network connected to FR cloud. This should fix
> it
> > 100% of the time. This is a quick way to get rid of this problem
> without
> > messing around with the config, and spending loads of time t'shooting
> the
> > network. You can do it first thing when going through your lab
> questions,
> > or
> > when doing switching section (it shouldnt matter whether it takes 5
> > minutes
> > for the routers to come up, as you'd be busy doing other things).
> >
> > Alternatively, save your config, change encapsulation to something
> other
> > than FR (e.g PPP), shut the interface down, change the encap back to
> FR,
> > and
> > put your maps on etc, and unshut the interface. This could fix it as
> well.
> >
> > In the actual lab, you'll need to make sure that there are no
> unwanted
> > mappings (0.0.0.0 or any other dynamically learnt ones to unwanted
> DLCIs),
> > otherwise it'd screw your L2 topology, hence screwing up everything
> else
> > you
> > build on top.
> >
> > Goodluck!
> >
> > On 3/30/07, Shamin <ccie.xpert@gmail.com> wrote:
> >
> >> Hi all,
> >>
> >> I am trying to remove the unwanted DLCI's from the interface s0/0 of
> R2.
> >> Did
> >> the no frame-relay inverse-arp command. But still the DLCI's are
> shown
> >> mapping to 0.0.0.0 . After a restart of the router, these entries
> will
> >> be
> >> removed. In the actual lab, do we have to make sure that these
> entries
> >> are
> >> not shown in the sh frame map output if they specifically say that,
> no
> >> other
> >> DLCI's other than the ones specified should be used. If it is so, is
> >> there
> >> a
> >> method to do this without restarting the routers?.
> >>
> >> Rack1R2#sr int s0/0
> >> Building configuration...
> >>
> >> Current configuration : 192 bytes
> >> !
> >> interface Serial0/0
> >> ip address 157.1.123.2 255.255.255.0
> >> encapsulation frame-relay
> >> frame-relay map ip 157.1.123.1 203
> >> frame-relay map ip 157.1.123.3 203
> >> no frame-relay inverse-arp
> >> end
> >>
> >>
> >>
> >>
> >> Rack1R2#sh frame map
> >> Serial0/0 (up): ip 0.0.0.0 dlci 213(0xD5,0x3450)
> >> broadcast,
> >> CISCO, status defined, inactive
> >> Serial0/0 (up): ip 0.0.0.0 dlci 205(0xCD,0x30D0)
> >> broadcast,
> >> CISCO, status defined, inactive
> >> Serial0/0 (up): ip 0.0.0.0 dlci 204(0xCC,0x30C0)
> >> broadcast,
> >> CISCO, status defined, inactive
> >> Serial0/0 (up): ip 0.0.0.0 dlci 201(0xC9,0x3090)
> >> broadcast,
> >> CISCO, status defined, active
> >> Serial0/0 (up): ip 157.1.123.1 dlci 203(0xCB,0x30B0), static,
> >> CISCO, status defined, active
> >> Serial0/0 (up): ip 157.1.123.3 dlci 203(0xCB,0x30B0), static,
> >> CISCO, status defined, active
> >>
> >> Rack1R2(config)#do sh frame pvc | in DLCI
> >> DLCI = 201, DLCI USAGE = LOCAL, PVC STATUS = DELETED, INTERFACE =
> >> Serial0/0.1
> >> DLCI = 203, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
> >> Serial0/0
> >> DLCI = 204, DLCI USAGE = LOCAL, PVC STATUS = DELETED, INTERFACE =
> >> Serial0/0.1
> >> DLCI = 205, DLCI USAGE = LOCAL, PVC STATUS = INACTIVE, INTERFACE =
> >> Serial0/0
> >> DLCI = 213, DLCI USAGE = LOCAL, PVC STATUS = DELETED, INTERFACE =
> >> Serial0/0.1
> >> Rack1R2(config)#
> >>
> >>
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