1. Задание

 

2.FR маршруты:

frame-relay switching
!
interface Serial0
 encapsulation frame-relay
 clockrate 19200
 frame-relay intf-type dce
 frame-relay route 102 interface Serial1 201
!
interface Serial1
 encapsulation frame-relay
 clockrate 19200
 frame-relay intf-type dce
 frame-relay route 201 interface Serial0 102
 frame-relay route 203 interface Serial2 302
!
interface Serial2
 encapsulation frame-relay
 clockrate 19200
 frame-relay intf-type dce
 frame-relay route 302 interface Serial1 203

3. R1
!
interface Loopback0
 ip address 10.70.10.1 255.255.255.0
!
interface Serial0/0/0
 encapsulation frame-relay
!
interface Serial0/0/0.102 point-to-point
 ip address 10.70.12.2 255.255.255.252
 frame-relay interface-dlci 102  
!
interface Serial0/0/1
 description TO_R2_SECOND_ROUTE
 ip address 10.70.21.2 255.255.255.252
 clock rate 192004.

4. R2
interface Loopback0
 ip address 10.70.20.1 255.255.255.0
!
interface Serial0/0/0
 encapsulation frame-relay
!
interface Serial0/0/0.201 point-to-point
 ip address 10.70.12.1 255.255.255.252
 frame-relay interface-dlci 201  
!        
interface Serial0/0/0.203 point-to-point
 ip address 10.70.23.1 255.255.255.252
 frame-relay interface-dlci 203  
!
interface Serial0/0/2
 ip address 10.70.21.1 255.255.255.252
!

5. R3
interface Loopback0
 ip address 10.70.30.1 255.255.255.0
!
interface Serial0/0/0
 encapsulation frame-relay
!
interface Serial0/0/0.302 point-to-point
 ip address 10.70.23.2 255.255.255.252
 frame-relay interface-dlci 302  
!

Frame Point-to-Point Sub-Interfaces

Необходим тогда, когда каждый Spoke  должен видеть только Hub



FR
frame-relay switching
!
interface Serial1
 encapsulation frame-relay
 clockrate 19200
 frame-relay intf-type dce
 frame-relay route 122 interface Serial2 221
 frame-relay route 123 interface Serial3 321
no shut
exi
!
interface Serial2
 encapsulation frame-relay
 clockrate 19200
 frame-relay intf-type dce
 frame-relay route 221 interface Serial1 122
no shut
exi
!
interface Serial3
 encapsulation frame-relay
 clockrate 19200
 frame-relay intf-type dce
 frame-relay route 321 interface Serial1 123
no shut
exi




R2
interface Serial0/0/0
 encapsulation frame-relay
 no shut
!
interface Serial0/0/0.122 point-to-point
 ip address 172.18.12.1 255.255.255.252
 frame-relay interface-dlci 122  
exi
!
interface Serial0/0/0.123 point-to-point
 ip address 172.18.13.1 255.255.255.252
 frame-relay interface-dlci 123  
exi

R1
interface Serial0/0/0.221 point-to-point
 ip address 172.18.12.2 255.255.255.252
 frame-relay interface-dlci 221  
no shut
!

R3
!
interface Serial0/0/0.321 point-to-point
 ip address 172.18.13.2 255.255.255.252
 frame-relay interface-dlci 321  
no shut
!