Re: Frame Relay : expecting static .. why dynamic.

From: Taufik Kurniawan <ktaufik_at_gmail.com>
Date: Wed, 15 Jul 2009 11:25:08 +0400

Thanks for all enlightenments ...
It is faster to get the answer here that googling ... :)

I think everyone is correct ....

------------------

R1:
s0/0
ip add
frame interface-d 102
no frame inv

r1(config-if)#
*Mar 1 00:18:03.639: Serial0/0(i): dlci 102(0x1861), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:18:03.643: Serial0/0: FR ARP input
*Mar 1 00:18:03.647: Serial0/0: frame relay INARP received
*Mar 1 00:18:03.651: Serial0/0: inarp received on 102
*Mar 1 00:18:03.651: datagramstart = 0x7DFFE6E, datagramsize = 34
*Mar 1 00:18:03.655: FR encap = 0x18610300
*Mar 1 00:18:03.655: 80 00 00 00 08 06 00 0F 08 00 02 04 00 08 00 00
*Mar 1 00:18:03.667: 0A 00 00 02 30 91 00 00 00 00 01 02 00 40
*Mar 1 00:18:03.675:
*Mar 1 00:18:03.679: FR: Sending INARP Reply on interface Serial0/0 dlci
102 for link 7(IP)

R2:
s0/0
ip add
frame interface-d 201
frame inv

r2(config-if)#
*Mar 1 00:17:47.291: Serial0/0: preparing IP inarp on 201
*Mar 1 00:17:47.295: Serial0/0(o): dlci 201(0x3091), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:17:47.295: FR: Sending INARP Request on interface Serial0/0 dlci
201 for link 7(IP)
*Mar 1 00:17:47.315: broadcast dequeue
*Mar 1 00:17:47.315: Serial0/0(o):Pkt sent on dlci 201(0x3091), pkt encaps
0x300 0x8000 0x0 0x806 (ARP), datagramsize 34
*Mar 1 00:17:47.555: Serial0/0(i): dlci 201(0x3091), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:17:47.559: Serial0/0: FR ARP input
*Mar 1 00:17:47.559: Serial0/0: frame relay INARP received
*Mar 1 00:17:47.559: Serial0/0: inarp received on 201
*Mar 1 00:17:47.559: datagramstart = 0x7E0036E, datagramsize = 34
*Mar 1 00:17:47.563: FR encap = 0x30910300
*Mar 1 00:17:47.563: 80 00 00 00 08 06 00 0F 08 00 02 04 00 09 00 00
*Mar 1 00:17:47.563: 0A 00 00 01 30 91 0A 00 00 02 02 02 00 40
*Mar 1 00:17:47.563:

Connection established ... !!!

R1:
s0/0
ip add
frame interface-d 102
no frame inv
shut
r1(config-if)#do sh frame pvc

PVC Statistics for interface Serial0/0 (Frame Relay DTE)

              Active Inactive Deleted Static
  Local 0 0 1 0
  Switched 0 0 0 0
  Unused 0 0 0 0

DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = DELETED, INTERFACE = Serial0/0

  input pkts 52 output pkts 50 in bytes 4468
  out bytes 4400 dropped pkts 0 in pkts dropped 0

  out pkts dropped 0 out bytes dropped 0
  in FECN pkts 0 in BECN pkts 0 out FECN pkts 0
  out BECN pkts 0 in DE pkts 0 out DE pkts 0
  out bcast pkts 0 out bcast bytes 0
  5 minute input rate 0 bits/sec, 0 packets/sec
  5 minute output rate 0 bits/sec, 0 packets/sec
  pvc create time 00:19:54, last time pvc status changed 00:01:37

no shut

r1(config-if)#no shut
r1(config-if)#
*Mar 1 00:27:48.027: %LINK-3-UPDOWN: Interface Serial0/0, changed state to
up
*Mar 1 00:27:49.027: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up
*Mar 1 00:28:11.583: Serial0/0(i): dlci 102(0x1861), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:28:11.587: Serial0/0: FR ARP input
*Mar 1 00:28:11.591: Serial0/0: frame relay INARP received
*Mar 1 00:28:11.595: Serial0/0: inarp received on 102
*Mar 1 00:28:11.595: datagramstart = 0x7E000EE, datagramsize = 34
*Mar 1 00:28:11.599: FR encap = 0x18610300
*Mar 1 00:28:11.599: 80 00 00 00 08 06 00 0F 08 00 02 04 00 08 00 00
*Mar 1 00:28:11.611: 0A 00 00 02 30 91 00 00 00 00 01 02 00 40
*Mar 1 00:28:11.619:
*Mar 1 00:28:11.623: FR: Sending INARP Reply on interface Serial0/0 dlci
102 for link 7(IP)

R2:
s0/0
ip add
frame inv

shut
r2(config-if)#do sh frame pvc

r2(config-if)#
no shut

r2(config-if)#no shut
r2(config-if)#
*Mar 1 00:27:35.131: %LINK-3-UPDOWN: Interface Serial0/0, changed state to
up
*Mar 1 00:27:36.131: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up
*Mar 1 00:27:55.203: Serial0/0: preparing IP inarp on 201
*Mar 1 00:27:55.207: Serial0/0(o): dlci 201(0x3091), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:27:55.211: FR: Sending INARP Request on interface Serial0/0 dlci
201 for link 7(IP)
*Mar 1 00:27:55.275: broadcast dequeue
*Mar 1 00:27:55.275: Serial0/0(o):Pkt sent on dlci 201(0x3091), pkt encaps
0x300 0x8000 0x0 0x806 (ARP), datagramsize 34
*Mar 1 00:27:55.455: Serial0/0(i): dlci 201(0x3091), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:27:55.459: Serial0/0: FR ARP input
*Mar 1 00:27:55.463: Serial0/0: frame relay INARP received
*Mar 1 00:27:55.467: Serial0/0: inarp received on 201
*Mar 1 00:27:55.467: datagramstart = 0x7E0022E, datagramsize = 34
*Mar 1 00:27:55.471: FR encap = 0x30910300
*Mar 1 00:27:55.471: 80 00 00 00 08 06 00 0F 08 00 02 04 00 09 00 00
*Mar 1 00:27:55.471: 0A 00 00 01 30 91 0A 00 00 02 02 02 00 40
*Mar 1 00:27:55.471:

same thing happen ..
connection established .. !!!

Now ....

R1:
s0/0
ip add
frame interface-d 102
no frame inv

R2:
s0/0
ip add
no frame inv

r1(config-if)#no shut
r1(config-if)#
*Mar 1 00:33:36.547: %LINK-3-UPDOWN: Interface Serial0/0, changed state to
up
*Mar 1 00:33:37.547: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up

r2(config-if)#no shut
r2(config-if)#
*Mar 1 00:33:23.091: %LINK-3-UPDOWN: Interface Serial0/0, changed state to
up
*Mar 1 00:33:24.091: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up

Now ....

R1:
s0/0
ip add
frame interface-d 102
no frame inv

R2:
s0/0
ip add
frame inv

r1(config-if)#no shut
r1(config-if)#
*Mar 1 00:39:21.419: %LINK-3-UPDOWN: Interface Serial0/0, changed state to
up
*Mar 1 00:39:22.419: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up
*Mar 1 00:39:44.215: Serial0/0(i): dlci 102(0x1861), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:39:44.219: Serial0/0: FR ARP input
*Mar 1 00:39:44.219: Serial0/0: frame relay INARP received
*Mar 1 00:39:44.223: Serial0/0: inarp received on 102
*Mar 1 00:39:44.223: datagramstart = 0x7A019CE, datagramsize = 34
*Mar 1 00:39:44.227: FR encap = 0x18610300
*Mar 1 00:39:44.227: 80 00 00 00 08 06 00 0F 08 00 02 04 00 08 00 00
*Mar 1 00:39:44.239: 0A 00 00 02 30 91 00 00 00 00 01 02 00 40
*Mar 1 00:39:44.251:
*Mar 1 00:39:44.251: FR: Sending INARP Reply on interface Serial0/0 dlci
102 for link 7(IP)

r2(config-if)#no shut
r2(config-if)#
*Mar 1 00:39:07.831: %LINK-3-UPDOWN: Interface Serial0/0, changed state to
up
*Mar 1 00:39:08.831: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0/0, changed state to up
*Mar 1 00:39:27.867: Serial0/0: preparing IP inarp on 201
*Mar 1 00:39:27.871: Serial0/0(o): dlci 201(0x3091), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:39:27.875: FR: Sending INARP Request on interface Serial0/0 dlci
201 for link 7(IP)
*Mar 1 00:39:27.923: broadcast dequeue
*Mar 1 00:39:27.923: Serial0/0(o):Pkt sent on dlci 201(0x3091), pkt encaps
0x300 0x8000 0x0 0x806 (ARP), datagramsize 34
*Mar 1 00:39:28.103: Serial0/0(i): dlci 201(0x3091), pkt encaps 0x0300
0x8000 0x0000 0x806 (ARP), datagramsize 34
*Mar 1 00:39:28.107: Serial0/0: FR ARP input
*Mar 1 00:39:28.107: Serial0/0: frame relay INARP received
*Mar 1 00:39:28.111: Serial0/0: inarp received on 201
*Mar 1 00:39:28.111: datagramstart = 0x7A00D4E, datagramsize = 34
*Mar 1 00:39:28.115: FR encap = 0x30910300
*Mar 1 00:39:28.115: 80 00 00 00 08 06 00 0F 08 00 02 04 00 09 00 00
*Mar 1 00:39:28.127: 0A 00 00 01 30 91 0A 00 00 02 02 02 00 40
*Mar 1 00:39:28.127:

------------------

2009/7/14 Scott Morris <smorris_at_ine.com>

> Why were you expecting static? You need to use the "frame-relay map"
> command if you want a static mapping. The "frame-relay interface-dlci"
> command simply says "this dlci goes here" and has nothing to do with static
> mapping.
>
> HTH,
>
>
>
>
> *Scott Morris*, CCIE*x4* (R&S/ISP-Dial/Security/Service Provider) #4713,
>
> JNCIE-M #153, JNCIS-ER, CISSP, et al.
>
> JNCI-M, JNCI-ER
>
> evil_at_ine.com
>
>
> Internetwork Expert, Inc.
>
> http://www.InternetworkExpert.com
>
> Toll Free: 877-224-8987
>
> Outside US: 775-826-4344
>
>
> Knowledge is power.
>
> Power corrupts.
>
> Study hard and be Eeeeviiiil......
>
>
>
>
> Taufik Kurniawan wrote:
>
> Hi All,
>
> FR newbie questions :
>
> Playing around with FR.
>
> R1 :
>
> int s0/0.1020 mul
> ip add 10.0.0.1 255.255.255.252
> frame inter-dlci 102
>
>
> R2 :
>
> int s0/0
> ip add 10.0.0.2 255.255.255.252
> encap frame
> frame inter-dlci 201
> no frame inv
>
>
> r1#sh frame map
> Serial0/0.1020 (up): ip 10.0.0.2 dlci 102(0x66,0x1860), dynamic,
> broadcast,
> CISCO, status defined, active
>
>
> r2#sh frame map
> Serial0/0 (up): ip 10.0.0.1 dlci 201(0xC9,0x3090), dynamic,
> broadcast,
> CISCO, status defined, active
>
> why did i get dynamic in R2 ?
>
> thanks for enlightment ...
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at: http://www.groupstudy.com/list/CCIELab.html

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Received on Wed Jul 15 2009 - 11:25:08 ART

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