Mam dziwny problem z leciwą technologią, jaką jest FR. Robiłem to w życiu dziesiątki razy, ale tu mi nie działa :-/. Elementem nowym jest ISR 4431 (15.5(2)S1). Mianowicie, muszę zrobić FR switching. Połączenia fizyczne wykonane są prawidłowo (kable DTE/DCE back-to-back):
Kod: Zaznacz cały
R1 -DCE--------------DTE- R2 -DCE--------------DTE- R3
Se0/1/1.100 Se0/1/1 Se0/1/0 Se0/1/0.100
Kod: Zaznacz cały
R1#sh run int se 0/1/1
interface Serial0/1/1
description R2 Se0/1/1
no ip address
encapsulation frame-relay IETF
clock rate 8000000
frame-relay lmi-type ansi
frame-relay intf-type dce
R1#sh run int se 0/1/1.100
interface Serial0/1/1.100 point-to-point
ip address 10.10.10.2 255.255.255.252
frame-relay interface-dlci 100 IETF
Kod: Zaznacz cały
R2#sh run int se 0/1/1
interface Serial0/1/1
description R1 Se0/1/1
no ip address
encapsulation frame-relay IETF
frame-relay lmi-type ansi
frame-relay route 100 interface Serial0/1/0 100
R2#sh run int se 0/1/0
interface Serial0/1/0
description R3 Se0/1/0
no ip address
encapsulation frame-relay IETF
clock rate 8000000
frame-relay lmi-type ansi
frame-relay intf-type dce
frame-relay route 100 interface Serial0/1/1 100
Kod: Zaznacz cały
R3#sh run int se 0/1/0
interface Serial0/1/0
description R2 Se0/1/0
no ip address
encapsulation frame-relay IETF
frame-relay lmi-type ansi
R3#sh run int se 0/1/0.100
interface Serial0/1/0.100 point-to-point
ip address 10.10.10.1 255.255.255.252
frame-relay interface-dlci 100 IETF
Kod: Zaznacz cały
R1#sh frame-relay pvc 100
PVC Statistics for interface Serial0/1/1 (Frame Relay DCE)
DLCI = 100, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/1/1.100
R2#sh frame-relay pvc 100
PVC Statistics for interface Serial0/1/0 (Frame Relay DCE)
DLCI = 100, DLCI USAGE = SWITCHED, PVC STATUS = ACTIVE, INTERFACE = Serial0/1/0
PVC Statistics for interface Serial0/1/1 (Frame Relay DTE)
DLCI = 100, DLCI USAGE = SWITCHED, PVC STATUS = ACTIVE, INTERFACE = Serial0/1/1
R2#show frame-relay route
Input Intf Input Dlci Output Intf Output Dlci Status
Serial0/1/0 100 Serial0/1/1 100 active
Serial0/1/1 100 Serial0/1/0 100 active
R3#show frame-relay pvc 100
PVC Statistics for interface Serial0/1/0 (Frame Relay DTE)
DLCI = 100, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0/1/0.100