RE: Frame Relay

From: sam (sam@avtechusa.com)
Date: Thu Feb 27 2003 - 18:47:37 GMT-3


To all.

I got back home last night... couldn't sleep, too eager to test it out.

It worked, of course.

Thanks for dispelling my doubts.
I'm using my 4000 to inject routes into my backbone now.
(Big-Ass GRIN!)

Sam Sena

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
CCIE FUN
Sent: Thursday, February 27, 2003 2:25 PM
To: Mohamed Nizam; Cheng Qian
Cc: Vijay S Jayaraman; Larry Letterman; Bobby; ccielab@groupstudy.com;
nobody@groupstudy.com
Subject: Re: Frame Relay

sorry
I meant "it is NOT possible to include frame-relay
intf-dce WITHOUT the frame-relay switching command on
the interface". the interface won't take the dce
command until you enable frame-relay switching.
you will get an error if you try to input the dce
command.i have included the output below:
-------------------------------------------------------
R5(config)#int s2
R5(config-if)#encapsulation frame
R5(config-if)#frame-relay intf-type dce
Must enable frame-relay switching to configure DCE/NNI
R5(config-if)#
------------------------------------------------------
Yes it is possible to include frame-relay
interface-dlci on the interface with frame-relay
switching in the global config.

And you don't need to enable frame-relay switching for
back-to-back frame relay to work.

the no-keepalive command under the interface is
sufficient alongwith other commands i mentioned below.
--- Mohamed Nizam <torontocisco@yahoo.ca> wrote:
> I have tested and running in my home LAB. If you
> need I can give you access
> to check it. It is possible to have frame-relay
> interface-dlci command with
> frame-relay switching. Then it can work as a switch
> as well terminating
> Frame-relay. This is how we can make use of our
> Frame Relay as a another BB.
>
> Thanks,
>
> Mohamed Nizam
>
> A proud student of WinNET Harith.
>
> ----- Original Message -----
> From: "CCIE FUN" <ccieexam2002@yahoo.com>
> To: "Cheng Qian" <toqian@cisco.com>; "Mohamed Nizam"
> <torontocisco@yahoo.ca>
> Cc: "Vijay S Jayaraman" <vjayaram@in.ibm.com>;
> "Larry Letterman"
> <lletterm@cisco.com>; "Bobby" <bobby1@ctimail3.com>;
> <ccielab@groupstudy.com>; <nobody@groupstudy.com>
> Sent: Wednesday, February 26, 2003 1:15 AM
> Subject: Re: Frame Relay
>
>
> > Mohamed
> > The second option explained by you will not allow
> to
> > input the frame-relay intf dce command with
> > frame-relay switching global command.
> > Also with the first option you can also configure
> the
> > frame-switch switching on a interface with a DTE
> cable
> > connected to it. all the commands except the clock
> > rate will be there.
> > the clock rate command will then go and sit on the
> > router connect to the particular frame switch
> > interface.
> >
> > here is the config (2nd option)for the
> back-to-back
> > frame-relay without a actual frame-switch in
> between.
> > this is the second option
> >
> >
> > R1(s0-dce) ------------(s1-dte) R2
> >
> > router r1
> >
> > int s0
> > clock rate 64000
> > encap frame
> > ip address 1.1.1.1 255.255.255.0
> > frame-relay map ip 1.1.1.2 102 broadcast
> > no keepalive
> > no shut
> >
> >
> > router r2
> > int s1
> > ip addres 1.1.1.2 255.255.255.0
> > encap fram
> > frame-relay map ip 1.1.1.1 102 broadcast
> > no keepalive
> > no shut
> >
> >
> > with the above configs, you don't need frame-relay
> > switching command at all and also if you notice
> the
> > DLCI's are same on both sides !!
> >
> > this is tried and tested method..
> >
> > hope that helps
> >
> >
> > --- Cheng Qian <toqian@cisco.com> wrote:
> > > For your second way to setup, if you did not
> enable
> > > frame-relay switching
> > > on R6, it won't allow you to configure it with
> > > frame-relay intfp-type dce.
> > >
> > >
> > > At 08:17 AM 2/21/2003 -0500, Mohamed Nizam
> wrote:
> > > >There are two kind of Frame relay set-up.
> > > >
> > > >1. Frame relay thorough a FR-Switch. R5------
> s0-
> > > FR-S -s1----- R6.
> > > > This is what we most of the time
> > > practice. The middle router is
> > > >configured as FR- Switch. Usually we connect
> > > Cable's DCE side to FR-Sw. But
> > > >it is not mandatory. If so the config of the
> switch
> > > will be
> > > >
> > > >frame switching
> > > >
> > > >int s0
> > > > encap frame
> > > > clock rate 56000
> > > > frame intf-type dce
> > > > frame route 506 int s 1 605
> > > >
> > > >int s1
> > > > encap frame
> > > > clock rate 56000
> > > > frame intf-type dce
> > > > frame route 605 int s 0 506
> > > >
> > > >
> > > >2. Terminating Frame Relay . R5
> > > -S1--------------------S0/0-R6
> > > >
> > > > No switch is between them. Then one side
> of
> > > the link should be frame
> > > >intf-type dce. ( Cable DCE end , and thsi not
> > > necessary to be match. ) .
> > > >Also both sides DLCI numbers can be same or
> > > different.
> > > >
> > > > R5
> > > > interface Serial1
> > > > ip address 200.100.2.1 255.255.255.0
> > > > encapsulation frame-relay
> > > > frame-relay map ip 200.100.2.2 102
> broadcast
> > > >
> > > > R6
> > > > interface Serial0/0
> > > > ip address 200.100.2.2 255.255.255.0
> > > > encapsulation frame-relay
> > > > clockrate 64000
> > > > frame intf-type dce
> > > > frame-relay map ip 200.100.2.1 201
> broadcast
> > > >
> > > >
> > > >Thanks,
> > > >
> > > >Mohamed Nizam
> > > >
> > > >" A proud student of Harith"
> > > >
> > > >
> > > >----- Original Message -----
> > > >From: "Vijay S Jayaraman" <vjayaram@in.ibm.com>
> > > >To: "Larry Letterman" <lletterm@cisco.com>
> > > >Cc: "Bobby" <bobby1@ctimail3.com>;
> > > <ccielab@groupstudy.com>;
> > > ><nobody@groupstudy.com>
> > > >Sent: Friday, February 21, 2003 4:50 AM
> > > >Subject: Re: Frame Relay
> > > >
> > > >
> > > > > A frame relay back to back should work....if
> you
> > > enable "frame relay
> > > > > switching" on the dce side, add the
> "clock-rate"
> > > command on the dce
> > > > > interface, add "frame relay intf-type dce"
> to
> > > the dce end and have the
> > > > > DLCIs at both the connecting interfaces....
> > > > >
> > > > > But I doubt whether you would ever have the
> > > oppurtunity to do this in an
> > > > > actual lab because all the routers connect
> only
> > > through the frame relay
> > > > > switch and you are not allowed to touch
> > > that.....
> > > > >
> > > > >
> > > > > Regards,
> > > > > Vijay.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > "Larry Letterman"
> > > > > <lletterm@cisco.c
> > > To: "Bobby"
> > > ><bobby1@ctimail3.com>, <ccielab@groupstudy.com>
> > > > > om>
> > > cc:
> > > > > Sent by:
> > > Subject: Re: Frame Relay
> > > > > nobody@groupstudy
> > > > > .com
>
=== message truncated ===



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