Solved

Juniper Cisco Frame-relay connection

Posted on 2009-07-08
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Last Modified: 2013-12-12
Hi,
Can anyone check the following configuration on my Cisco Frame relay switch and 2 end routers, one of the end routers is juniper and the other is cisco. I have given configurations for all the 3 routers.
The problem is that I cannot ping from Router 1(juniper) to Router 2(cisco) or vice versa. I have tried changing the keep alives for all three routers but still it doesnt work.
I have also attached the network diagram indicating all the interfaces just to make it more clearer for you guys


FRAME RELAY SWITCH (CISCO)
===========================
interface Serial1/4
 no ip address
 encapsulation frame-relay IETF
 no keepalive
 clock rate 64000
 frame-relay lmi-type ansi
 frame-relay intf-type dce
 frame-relay route 111 interface Serial1/6 222
!


interface Serial1/6
 no ip address
 encapsulation frame-relay IETF
 no keepalive
 clock rate 64000
 frame-relay lmi-type ansi
 frame-relay intf-type dce
 frame-relay route 222 interface Serial1/4 111



Router 1 (Juniper)
===============
 se-1/0/0 {
        no-keepalives;
        encapsulation frame-relay;
        unit 0 {
            point-to-point;
            dlci 111;
            family inet {
                address 10.1.1.11/24;
            }


Router 2 (Cisco)
==============
interface Serial0/1/0

 no ip address
no keepalive
 encapsulation frame-relay

!
interface Serial0/1/0.1 point-to-point

 ip address 10.1.1.10 255.255.255.0

 frame-relay interface-dlci 222 IETF  
frame-relay-Final2.jpg
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Question by:shwaqar82
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10 Comments
 
LVL 15

Expert Comment

by:bkepford
ID: 24805479
OK please post the following show commands. "show interface" and "show frame pvc" on the cisco router and on the switch. Also do a show frame-relay map on the router.

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LVL 15

Expert Comment

by:bkepford
ID: 24805541
Try changing the Juniper like so.
  family inet {

            address 10.1.1.11/24 {

                destination 10.1.1.10;

            }

Open in new window

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Expert Comment

by:bkepford
ID: 24805559
oops forgot you need one last bracket "}" to close the family inet command
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Expert Comment

by:bkepford
ID: 24805584
Also cisco by default does lmi type auot sensing and they favor the cisco type so you may want to hard cose to

        lmi {
            lmi-type ansi;
        }
and for the Cisco

frame-relay lmi-type ansi
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LVL 15

Expert Comment

by:bkepford
ID: 24805590
oops your doing no keep alives so that shouldn't be an issue but if you do turn keepalives on (which is recommended) hardcode the lmi type.
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LVL 15

Expert Comment

by:bkepford
ID: 24805696
One last thing not sure if inverse arp is on by default on Juniper so you may want to make sure it's on as you have no farme-relay map statements

unit 100 {
point-to-point;
dlci 111;
lmi {
      lmi-type ansi;
}
inverse-arp
family inet {
address 10.1.1.11/24;{
destination 10.1.1.10;
           }
      }
}

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Author Comment

by:shwaqar82
ID: 24805703
yeah but when I try doing keepalives the line protocol goes down so I have to keep them off.

I tried your configuration for juniper...still I cant ping
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LVL 15

Expert Comment

by:bkepford
ID: 24805742
lmi-type is configered under serial interface on the Juniper.

Do the show commands so we can see if you have a frame-relay map correct without that you can't ping.
 
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Author Comment

by:shwaqar82
ID: 24805953
Firstly, can you tell me how can I set inverse arp you mentioned in juniper because when I try to set the inverse arp it gives me error like there is some syntax issue or I dont know....secondly, do you know the command to see frame-relay map in juniper...I am sorry I am really new with Juniper so I dont really know that many commands
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Accepted Solution

by:
bkepford earned 500 total points
ID: 24805996
By default, inverse Frame Relay ARP is disabled. To configure a router to respond to inverse Frame Relay ARP requests, include the inverse-arp statement at the [edit interfaces interface-name unit logical-unit-number] or [edit interfaces interface-name unit logical-unit-number family inet address address multipoint-destination destination] hierarchy level:

[edit interfaces interface-name unit logical-unit-number]

inverse-arp;

and for the frame-relay map it is the same as a cisco "show frame-relay map"
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