Ash,
The serial interface is up/downing because, as you noted, there is no DCE
clocking configured. The URL you are looking at shows the routers connected
to a frame relay cloud. That represents the presence of at least one
frame relay switch. In real life it would be a network of many switches.
To do frame relay labs you will have to configure another router to act as a
frame relay switch. Cisco built into their routers the ability to do frame
relay switching specifically for labs.
I use a 2520 (four serial ports) which makes an excellent lab frame relay
switch. For some good starter frame relay labs I highly recommend the All
in one CCIE Lab guide 2nd edition by Hutnik.
Dave Swink
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Ash Aslam
Sent: Wednesday, October 17, 2001 10:51 PM
To: [EMAIL PROTECTED]
Subject: Frame Relay Basics - Inverse-arp problem [7:23321]
Hi there,
I am trying to set-up the following Frame Relay config's on my routers:
http://www.cisco.com/warp/public/125/14.html#14-A
I am having a problem in not being able to see anything when I issue the
following command:
Spicey#show frame-relay map
In the above URL the output is listed as:
Spicey#show frame-relay map
Serial0 (up): ip 3.1.3.2 dlci 140(0x8C,0x20C0), dynamic,
broadcast,, status defined, active
The serial 0 on my Spicey Router just keeps going up, down, up down, etc.
etc every 10 secs or so. The serial cable is connected and checked ok via
show controllers serial 0 as DTE.
The DCE clocking is not configured, nor is there a Frame Relay Switch in the
URL config's. I can't quite understand how the dynamic mapping is taking
place in the URL and why I am not seeing Inverse-arp working?
Any responses appreciated.
Thanks Regards,
Ash
Message Posted at:
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