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back to back wic card

alex goshtaei
Level 1
Level 1

Hi All,

I have two routers trying to connect them back to back but interface status on both router is in "down" state. am I missing something? thanks for any help. also I am using T1 crossover  cable pinout  (1,2 > 4,5 )

Alex

ROUTER-A

interface Serial0/0/0
description == Frame Relay
no ip address
encapsulation frame-relay
service-module t1 clock source internal
service-module t1 timeslots 1-24
!
interface Serial0/0/0.1 point-to-point
description == FR To HQ
ip address 177.0.101.2 255.255.255.0
snmp trap link-status
frame-relay interface-dlci 101

ROUTER-B:

interface Serial0/2/0
description == Frame Relay
no ip address
encapsulation frame-relay
service-module t1 timeslots 1-24
!
interface Serial0/2/0.1 point-to-point
description == FR To BR1
ip address 177.0.101.1 255.255.255.0
frame-relay interface-dlci 101
!
interface Serial0/2/0.2 point-to-point
description == FR To BR2
ip address 177.0.201.1 255.255.255.0
frame-relay interface-dlci 201

1 Reply 1

Reza Sharifi
Hall of Fame
Hall of Fame

Hi,

When connecting serial cables back to back, you need add clock rate command to the DCE side of the connection.

You can find out witch side is DCE by using "sh inter sex/x contro"

http://www.cisco.com/en/US/tech/tk713/tk730/technologies_configuration_example09186a0080094502.shtml

HTH

Review Cisco Networking for a $25 gift card