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Need help with frame relay switch configuration

asimkamran
Level 1
Level 1

Hello everybody,

Here's my setup:

R1 (Hub) has two serial connections to FR switch, R2 and R3 each have one serial connection to FR switch.

Now my question is how can go about assigning the DLCIs? When I try to apply the following command frame-relay route 221 interface serial 1/0 101 and frame-relay route 221 interface serial 1/0 101

it doesn't acccept it saying that you can't have two dlci's assigned to same interface.

If anybody can refer me to any configuration doc for this same scenario I would appreciate.

3 Replies 3

miguel.rosario
Level 1
Level 1

You can only use one dlci per interface at least that you create sub-interface you can asign two dlci or more per interface.

SunilKhanna
Level 1
Level 1

Configuration on FRAMERELAY-SWITCH

hostname FRAMERELAY-SWITCH

frame-relay switching

interface Serial1/1

description Frame-Relay Connection to R1

no ip address

encapsulation frame-relay IETF

clock rate 64000

no frame-relay inverse-arp

frame-relay lmi-type ansi

frame-relay intf-type dce

frame-relay route 100 interface Serial1/2 200

!

interface Serial1/2

description Frame-Relay Connection to R2

no ip address

encapsulation frame-relay IETF

clock rate 64000

no frame-relay inverse-arp

frame-relay lmi-type ansi

frame-relay intf-type dce

frame-relay route 200 interface Serial1/1 100

!

Configuration on HOST R1

interface Serial1/0

description frame-relay connection

ip address 192.12.12.1 255.255.255.252

encapsulation frame-relay IETF

frame-relay map ip 192.12.12.2 100 broadcast

no frame-relay inverse-arp

Configuration on HOST R1

interface Serial1/0

description frame-relay connection

ip address 192.12.12.2 255.255.255.252

encapsulation frame-relay IETF

frame-relay map ip 192.12.12.1 200 broadcast

no frame-relay inverse-arp

Verification

HOST_R2#ping 192.12.12.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.12.12.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 56/56/60 ms

FRAMERELAY-SWITCH#show frame-relay route

Input Intf      Input Dlci      Output Intf     Output Dlci     Status

Serial1/1       100             Serial1/2       200             active

Serial1/2       200             Serial1/1       100             active

Regards, Sunil Khanna
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