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Frame Relay Lab - Unable to ping - Newbie

 
 
Pink_Floyd
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Posts: n/a
 
      10-02-2006
Hi Folks,

I am a newbie and am learning to configure Frame Relay on my home lab.
I would appreciate your time and effort if you could kindly guide me in
the right direction. I have three routers (One 2521, and two 2503's). I
shall refer to them as R1, R2 and R3 respectively. The final objective
is to reach from R1 to R3. I am first testing connectivity between R1
and R2. R1's DLCI to R2 seems to be deleted inspite of using
frame-relay map

R1 is configured as a frame relay dte device.
R2 is configured as a frame relay dce device. frame-relay switching is
turned ON at the global level.
R3 is configured as a frame relay dte device.

+------------+ +------------+
+------------+
| R1 |<------------>| R2 |<------------>| R3 |
+-------------+ Cab 1 +------------+ Cab 2 +------------+

The three routers are connected via DTE-DCE cables. (I am simulating a
Frame Relay cloud).

Cab 1 ==> The cable with the DTE end is on R1. The cable with the DCE
end is on R2
Cab 2 ==> The cable with the DTE end is on R3. The cable with the DCE
end is on R2.

R1 serial interface has an ip of 10.0.0.1 / 8
R2 serial interface has an ip of 10.0.0.2 / 8

My interfaces on R1 and R2 are up. I am trying to ping from R1 to R2.
LMI exchanges look good.

------------------------------------------------------------------------------------------------------------------------------------------------------
**** SHOW INTERFACE ON R1 *****
2521_R1#show interface serial
05:03:59: %SYS-5-CONFIG_I: Configured from console by console 1
Serial1 is up, line protocol is up
Hardware is HD64570
Internet address is 10.0.0.1/8
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME-RELAY, loopback not set
Keepalive set (10 sec)
LMI enq sent 1062, LMI stat recvd 977, LMI upd recvd 0, DTE LMI up
LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
LMI DLCI 1023 LMI type is CISCO frame relay DTE
FR SVC disabled, LAPF state down
Broadcast queue 0/64, broadcasts sent/dropped 7/5, interface
broadcasts 0
Last input 00:00:09, output 00:00:09, output hang never
Last clearing of "show interface" counters 03:24:55
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 1158 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
990 packets input, 14864 bytes, 0 no buffer
------------------------------------------------------------------------------------------------------------------------------------------------------
**** SHOW IP ROUTE ON R1 *****
2521_R1#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B -
BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS
inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route

Gateway of last resort is not set

C 1.0.0.0/8 is directly connected, Loopback0
C 10.0.0.0/8 is directly connected, Serial1
S 0.0.0.0/32 is directly connected, Loopback0
2521_R1#
------------------------------------------------------------------------------------------------------------------------------------------------------
**** SHOW FRAME RELAY MAP ON R1 *****
2521_R1#show frame-relay map
Serial1 (up): ip 10.0.0.2 dlci 102(0x66,0x1860), static,
CISCO, status defined, active
Serial1 (up): ip 200.200.200.200 dlci 100(0x64,0x1840), static,
CISCO, status defined, inactive
------------------------------------------------------------------------------------------------------------------------------------------------------

@@@@@@@@ R2 @@@@@@@@@

R2_2503#no debug frame-relay packet
Frame Relay packet debugging is off
R2_2503#show interface serial 0
Serial0 is up, line protocol is up
Hardware is HD64570
Description: ****FRAME RELAY SWITCHING INTERFACE ****
Internet address is 10.0.0.2/8
MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation FRAME-RELAY, loopback not set
Keepalive set (10 sec)
LMI enq sent 0, LMI stat recvd 0, LMI upd recvd 0
LMI enq recvd 1025, LMI stat sent 1025, LMI upd sent 0, DCE LMI up
LMI DLCI 1023 LMI type is CISCO frame relay DCE
FR SVC disabled, LAPF state down
Broadcast queue 0/64, broadcasts sent/dropped 0/0, interface
broadcasts 0
Last input 00:00:01, output 00:00:01, output hang never
Last clearing of "show interface" counters 03:15:39
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/1/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 1158 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec

R2_2503#show frame-relay map
Serial0 (up): ip 10.0.0.1 dlci 103(0x67,0x1870), static,
CISCO, status defined, active
R2_2503#

------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------------------
2521_R1#ping 10.0.0.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
......
Success rate is 0 percent (0/5)
2521_R1#
------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------------------------------------------

Once again thank you for your time. Much appreciated!!

- Tintin

 
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Pink_Floyd
Guest
Posts: n/a
 
      10-02-2006
I am also trying to ping my local interface serial 1 but get am unable
to do so....


Pink_Floyd wrote:
> Hi Folks,
>
> I am a newbie and am learning to configure Frame Relay on my home lab.
> I would appreciate your time and effort if you could kindly guide me in
> the right direction. I have three routers (One 2521, and two 2503's). I
> shall refer to them as R1, R2 and R3 respectively. The final objective
> is to reach from R1 to R3. I am first testing connectivity between R1
> and R2. R1's DLCI to R2 seems to be deleted inspite of using
> frame-relay map
>
> R1 is configured as a frame relay dte device.
> R2 is configured as a frame relay dce device. frame-relay switching is
> turned ON at the global level.
> R3 is configured as a frame relay dte device.
>
> +------------+ +------------+
> +------------+
> | R1 |<------------>| R2 |<------------>| R3 |
> +-------------+ Cab 1 +------------+ Cab 2 +------------+
>
> The three routers are connected via DTE-DCE cables. (I am simulating a
> Frame Relay cloud).
>
> Cab 1 ==> The cable with the DTE end is on R1. The cable with the DCE
> end is on R2
> Cab 2 ==> The cable with the DTE end is on R3. The cable with the DCE
> end is on R2.
>
> R1 serial interface has an ip of 10.0.0.1 / 8
> R2 serial interface has an ip of 10.0.0.2 / 8
>
> My interfaces on R1 and R2 are up. I am trying to ping from R1 to R2.
> LMI exchanges look good.
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> **** SHOW INTERFACE ON R1 *****
> 2521_R1#show interface serial
> 05:03:59: %SYS-5-CONFIG_I: Configured from console by console 1
> Serial1 is up, line protocol is up
> Hardware is HD64570
> Internet address is 10.0.0.1/8
> MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
> reliability 255/255, txload 1/255, rxload 1/255
> Encapsulation FRAME-RELAY, loopback not set
> Keepalive set (10 sec)
> LMI enq sent 1062, LMI stat recvd 977, LMI upd recvd 0, DTE LMI up
> LMI enq recvd 0, LMI stat sent 0, LMI upd sent 0
> LMI DLCI 1023 LMI type is CISCO frame relay DTE
> FR SVC disabled, LAPF state down
> Broadcast queue 0/64, broadcasts sent/dropped 7/5, interface
> broadcasts 0
> Last input 00:00:09, output 00:00:09, output hang never
> Last clearing of "show interface" counters 03:24:55
> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: weighted fair
> Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> Conversations 0/1/256 (active/max active/max total)
> Reserved Conversations 0/0 (allocated/max allocated)
> Available Bandwidth 1158 kilobits/sec
> 5 minute input rate 0 bits/sec, 0 packets/sec
> 5 minute output rate 0 bits/sec, 0 packets/sec
> 990 packets input, 14864 bytes, 0 no buffer
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> **** SHOW IP ROUTE ON R1 *****
> 2521_R1#show ip route
> Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B -
> BGP
> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
> i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS
> inter area
> * - candidate default, U - per-user static route, o - ODR
> P - periodic downloaded static route
>
> Gateway of last resort is not set
>
> C 1.0.0.0/8 is directly connected, Loopback0
> C 10.0.0.0/8 is directly connected, Serial1
> S 0.0.0.0/32 is directly connected, Loopback0
> 2521_R1#
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> **** SHOW FRAME RELAY MAP ON R1 *****
> 2521_R1#show frame-relay map
> Serial1 (up): ip 10.0.0.2 dlci 102(0x66,0x1860), static,
> CISCO, status defined, active
> Serial1 (up): ip 200.200.200.200 dlci 100(0x64,0x1840), static,
> CISCO, status defined, inactive
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
> @@@@@@@@ R2 @@@@@@@@@
>
> R2_2503#no debug frame-relay packet
> Frame Relay packet debugging is off
> R2_2503#show interface serial 0
> Serial0 is up, line protocol is up
> Hardware is HD64570
> Description: ****FRAME RELAY SWITCHING INTERFACE ****
> Internet address is 10.0.0.2/8
> MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec,
> reliability 255/255, txload 1/255, rxload 1/255
> Encapsulation FRAME-RELAY, loopback not set
> Keepalive set (10 sec)
> LMI enq sent 0, LMI stat recvd 0, LMI upd recvd 0
> LMI enq recvd 1025, LMI stat sent 1025, LMI upd sent 0, DCE LMI up
> LMI DLCI 1023 LMI type is CISCO frame relay DCE
> FR SVC disabled, LAPF state down
> Broadcast queue 0/64, broadcasts sent/dropped 0/0, interface
> broadcasts 0
> Last input 00:00:01, output 00:00:01, output hang never
> Last clearing of "show interface" counters 03:15:39
> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> Queueing strategy: weighted fair
> Output queue: 0/1000/64/0 (size/max total/threshold/drops)
> Conversations 0/1/256 (active/max active/max total)
> Reserved Conversations 0/0 (allocated/max allocated)
> Available Bandwidth 1158 kilobits/sec
> 5 minute input rate 0 bits/sec, 0 packets/sec
> 5 minute output rate 0 bits/sec, 0 packets/sec
>
> R2_2503#show frame-relay map
> Serial0 (up): ip 10.0.0.1 dlci 103(0x67,0x1870), static,
> CISCO, status defined, active
> R2_2503#
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> 2521_R1#ping 10.0.0.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
> .....
> Success rate is 0 percent (0/5)
> 2521_R1#
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> ------------------------------------------------------------------------------------------------------------------------------------------------------
> ------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Once again thank you for your time. Much appreciated!!
>
> - Tintin


 
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Martin Gallagher
Guest
Posts: n/a
 
      10-03-2006
On Sun, 01 Oct 2006 19:18:44 -0700, Pink_Floyd wrote:

> I am also trying to ping my local interface serial 1 but get am unable
> to do so....
>


It is an attribute of serial interfaces, on Cisco devices at least, that
you can't ping the local interface if the link itself isn't working, i.e.
the "ping" has to travel to the far end of the link and be returned to you.

Also, on frame relay interfaces you need a frame relay map for the local
address, or you will get encapsulation failures when you try to ping it,
i.e.

! On R1
interface Serial1
frame-relay map ip 10.0.0.1 102
!

You also appear to have mismatched DLCIa at the two routers.

2521_R1#show frame-relay map
Serial1 (up): ip 10.0.0.2 dlci 102(0x66,0x1860), static,
CISCO, status defined, active

R2_2503#show frame-relay map
Serial0 (up): ip 10.0.0.1 dlci 103(0x67,0x1870), static,
CISCO, status defined, active

It's also a good idea to include the actual router configurations along
with appropriate debugs etc. so anyone who might be inclined to reply
doesn't have to reconstruct it first. That, and learning to trim
responses, and not to top post.

--
Rgds,
Martin
 
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Pink_Floyd
Guest
Posts: n/a
 
      10-05-2006
Hi Martin,

First of all I would like to thank you for taking time out of your
schedule and helping me out with my configs.

I shall revisit my router configs per your recommendations and post my
thoughts on the issue.

Regards,
- PinkFloyd
Martin Gallagher wrote:
> On Sun, 01 Oct 2006 19:18:44 -0700, Pink_Floyd wrote:
>
> > I am also trying to ping my local interface serial 1 but get am unable
> > to do so....
> >

>
> It is an attribute of serial interfaces, on Cisco devices at least, that
> you can't ping the local interface if the link itself isn't working, i.e.
> the "ping" has to travel to the far end of the link and be returned to you.
>
> Also, on frame relay interfaces you need a frame relay map for the local
> address, or you will get encapsulation failures when you try to ping it,
> i.e.
>
> ! On R1
> interface Serial1
> frame-relay map ip 10.0.0.1 102
> !
>
> You also appear to have mismatched DLCIa at the two routers.
>
> 2521_R1#show frame-relay map
> Serial1 (up): ip 10.0.0.2 dlci 102(0x66,0x1860), static,
> CISCO, status defined, active
>
> R2_2503#show frame-relay map
> Serial0 (up): ip 10.0.0.1 dlci 103(0x67,0x1870), static,
> CISCO, status defined, active
>
> It's also a good idea to include the actual router configurations along
> with appropriate debugs etc. so anyone who might be inclined to reply
> doesn't have to reconstruct it first. That, and learning to trim
> responses, and not to top post.
>
> --
> Rgds,
> Martin


 
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Pink_Floyd
Guest
Posts: n/a
 
      10-05-2006
Hi Martin,
I realized my mistake at configuring the routers and corrected the
same. I finally have my DLCI's active. However, I am now able to ping
end-to-end as well as locally.

Thanks a bunch for your help and guidance ... hope I can be of some
help...

Rgds,

- PinkFloyd

Pink_Floyd wrote:
> Hi Martin,
>
> First of all I would like to thank you for taking time out of your
> schedule and helping me out with my configs.
>
> I shall revisit my router configs per your recommendations and post my
> thoughts on the issue.
>
> Regards,
> - PinkFloyd
> Martin Gallagher wrote:
> > On Sun, 01 Oct 2006 19:18:44 -0700, Pink_Floyd wrote:
> >
> > > I am also trying to ping my local interface serial 1 but get am unable
> > > to do so....
> > >

> >
> > It is an attribute of serial interfaces, on Cisco devices at least, that
> > you can't ping the local interface if the link itself isn't working, i.e.
> > the "ping" has to travel to the far end of the link and be returned to you.
> >
> > Also, on frame relay interfaces you need a frame relay map for the local
> > address, or you will get encapsulation failures when you try to ping it,
> > i.e.
> >
> > ! On R1
> > interface Serial1
> > frame-relay map ip 10.0.0.1 102
> > !
> >
> > You also appear to have mismatched DLCIa at the two routers.
> >
> > 2521_R1#show frame-relay map
> > Serial1 (up): ip 10.0.0.2 dlci 102(0x66,0x1860), static,
> > CISCO, status defined, active
> >
> > R2_2503#show frame-relay map
> > Serial0 (up): ip 10.0.0.1 dlci 103(0x67,0x1870), static,
> > CISCO, status defined, active
> >
> > It's also a good idea to include the actual router configurations along
> > with appropriate debugs etc. so anyone who might be inclined to reply
> > doesn't have to reconstruct it first. That, and learning to trim
> > responses, and not to top post.
> >
> > --
> > Rgds,
> > Martin


 
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