[j-nsp] frame-relay encap on POS between Juniper and Cisco

[R Che]

I configured frame relay encapsulation on POS interface between Juniper and Cisco routers. physical layer is up, but my pings don't get through. When I changed to ppp or cisco-hdlc, pings went through. so I don't think there is an issue with sonet layer.
 
here is my config on Juniper:
dce;
clocking internal;
encapsulation frame-relay;
sonet-options {
    rfc-2615;
}
unit 100 {
    point-to-point;
    dlci 100;
    family inet {
        address 81.1.1.2/24;
    }
}

and this is my config on Cisco:
interface POS8/1/0
 no ip address
 encapsulation frame-relay IETF
 no ip mroute-cache
 no keepalive
 crc 32
 pos scramble-atm
 pos flag c2 22
!
interface POS8/1/0.100 point-to-point
 ip address 81.1.1.1 255.255.255.0
 no keepalive
 frame-relay interface-dlci 100
!

 

		
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