Weitere ähnliche Inhalte Ähnlich wie 14 module (20) Kürzlich hochgeladen (20) 14 module1. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Establishing a Frame Relay PVC Connection Chapter 14 4. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Frame Relay Stacks OSI Reference Model Application Presentation Session Transport Network Data Link Physical Frame Relay IP/IPX/Apple Talk, etc Frame Relay EIA/TIA-232, EIA/TIA-449, V.35, X.21, EIA/TIA-530 5. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Frame Relay Terminology Local Access Loop=T1 DLCI=400 DLCI=500 LMI 500=Active 400=Active Local Access Loop=64 kbps Local Access Loop=64 kbps 8. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Frame Relay Operation Frame Relay Cloud DLCI=100 DLCI=400 2 9. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 172.168.5.5 172.168.5.7 Frame Relay Inverse ARP and LMI Operation 3 Status Inquiry 3 Status Inquiry Frame Relay Cloud 2 DLCI=100 DLCI=400 10. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 4 DLCI 400=Active 4 DLCI 100=Active 3 Status Inquiry Status Inquiry Frame Relay Cloud DLCI=100 DLCI=400 172.168.5.5 172.168.5.7 Frame Relay Inverse ARP and LMI Operation 3 2 11. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Frame Relay Inverse ARP and LMI Operation 4 DLCI 400=Active 4 DLCI 100=Active 3 Status Inquiry Status Inquiry Frame Relay Cloud DLCI=100 DLCI=400 172.168.5.5 172.168.5.7 3 2 5 Hello, I am 172.168.5.5 on DLCI 100, who are you? 12. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Frame Relay Map 172.168.5.5 DLCI 400 Active Frame Relay Cloud DLCI=100 DLCI=400 Frame Relay Inverse ARP and LMI Operation (cont.) 172.168.5.5 172.168.5.7 6 13. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Hello, I am 172.168.5.7 on DLCI 400. Frame Relay Map 172.168.5.5 DLCI 400 Active Frame Relay Cloud DLCI=100 DLCI=400 Frame Relay Map 172.168.5.7 DLCI 100 Active 172.168.5.7 172.168.5.5 Frame Relay Inverse ARP and LMI Operation (cont.) 5 6 6 14. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Hello, I am 172.168.5.5 on DLCI 100. Hello, I am 172.168.5.7 on DLCI 400. Frame Relay Map 172.168.5.5 DLCI 400 Active Frame Relay Cloud DLCI=100 DLCI=400 Frame Relay Map 172.168.5.7 DLCI 100 Active 172.168.5.7 172.168.5.5 Frame Relay Inverse ARP and LMI Operation (cont.) 7 5 6 6 15. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Keepalive Keepalive Frame Relay Inverse ARP and LMI Operation (cont.) Hello, I am 172.168.5.5 on DLCI 100. Hello, I am 172.168.5.7 on DLCI 400. Frame Relay Map 172.168.5.5 DLCI 400 Active Frame Relay Cloud DLCI=100 DLCI=400 Frame Relay Map 172.168.5.7 DLCI 100 Active 172.168.5.7 172.168.5.5 8 8 7 5 6 6 16. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Configuring Basic Frame Relay HQ Branch Rel. 11.2 Router Rel. 10.3 Router interface Serial1 ip address 10.16.0.1 255.255.255.0 encapsulation frame-relay bandwidth 64 interface Serial1 ip address 10.16.0.2 255.255.255.0 encapsulation frame-relay bandwidth 64 frame-relay lmi-type ansi 18. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Selecting a Frame Relay Topology Star (Hub and Spoke) Full Mesh Partial Mesh 22. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Configuring Subinterfaces (cont.) RTR1 s0.2-DLCI=110 s0.3-DLCI=120 s0.1 s0.2 s0.1 s0.3 <Output Omitted> interface Serial0 no ip address encapsulation frame-relay ! interface Serial0.2 point-to-point ip address 10.17.0.1 255.255.255.0 bandwidth 64 frame-relay interface-dlci 110 ! interface Serial0.3 point-to-point ip address 10.18.0.1 255.255.255.0 bandwidth 64 frame-relay interface-dlci 120 ! router rip network 10.0.0.0 <output omitted> RTR3 RTR2 23. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Multipoint Subinterfaces Configuration Example RTR1 RTR3 RTR2 RTR4 s2.1=10.17.0.2/24 s2.2=10.17.0.1/24 s2.1=10.17.0.4/24 s2.1=10.17.0.3/24 24. 2 Copyright © 1998, Cisco Systems, Inc. ICRC_revision_11.3 Multipoint Subinterfaces Configuration Example <Output Omitted> ! interface Serial2 no ip address encapsulation frame-relay ! interface Serial2.2 multipoint ip address 10.17.0.1 255.255.255.0 bandwidth 64 frame-relay map ip 10.17.0.2 120 broadcast frame-relay map ip 10.17.0.3 130 broadcast frame-relay map ip 10.17.0.4 140 broadcast ! router rip network 10.0.0.0 <Output Omitted>