Sybex 5th Ed (pg 547) indicates that you can run frame-relay back-to-back using the following example...
RouterA
interface Serial0/0
ip address 192.168.99.1 255.255.255.252
no ip directed-broadcast
encapsulation frame-relay
clockrate 64000
frame-relay interface-dlci 100
frame-relay lmi-type ansi
RouterB
interface Serial0/0
ip address 192.168.99.2 255.255.255.252
no ip directed-broadcast
encapsulation frame-relay
frame-relay interface-dlci 100
frame-relay lmi-type ansi
However, the connection doesn't come up using this setup (line up, protocol down)...should this config have actually worked?
I did some research and found the below config which worked...apparently you have to disable LMI's on the serial interface with the 'no keepalive' command...
Router A
interface Serial0/0
no ip address
no ip directed-broadcast
encapsulation frame-relay
no keepalive
clockrate 64000
!
interface Serial0/0.1 point-to-point
ip address 192.168.99.1 255.255.255.252
no ip directed-broadcast
frame-relay interface-dlci 100
Router B
interface Serial0/0
no ip address
no ip directed-broadcast
encapsulation frame-relay
no keepalive
!
interface Serial0/0.1 point-to-point
ip address 192.168.99.2 255.255.255.252
no ip directed-broadcast
frame-relay interface-dlci 100
