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1、 1999, Cisco Systems, Inc. 14-1Chapter 14 Establishing a Frame Relay PVC Connection 1999, Cisco Systems, Inc. ICND14-2 Determine how Frame Relay operates Configure Frame Relay Configure Frame Relay subinterfaces Verify Frame Relay operationObjectivesUpon completion of this chapter, you will be able
2、to perform the following tasks: 1999, Cisco Systems, Inc. ICND14-3Frame Relay Overview Virtual circuits make connections Connection-oriented serviceFrame Relay works here.DCE or Frame Relay SwitchCSU/DSU 1999, Cisco Systems, Inc. ICND14-4Frame Relay StackOSI Reference ModelFrame RelayPhysicalPresent
3、ationSessionTransportNetworkData LinkApplicationEIA/TIA-232, EIA/TIA-449, V.35, X.21, EIA/TIA-530Frame RelayIP/IPX/AppleTalk, etc. 1999, Cisco Systems, Inc. ICND14-5Frame Relay TerminologyLocal Access Loop=T1Local Access Loop=64 kbpsLocal Access Loop=64 kbpsDLCI: 400PVCDLCI: 500LMI 100=Active 400=Ac
4、tiveDLCI: 200DLCI: 100PVC 1999, Cisco Systems, Inc. ICND14-6CSU/DSUFrame Relay Address Mapping Get locally significant DLCIs from provider Map your network addresses to DLCIsDLCI: 500PVC10.1.1.1Inverse ARP or Frame Relay mapIP (10.1.1.1)Frame RelayDLCI (500) 1999, Cisco Systems, Inc. ICND14-7Frame R
5、elay SignalingCisco supports three LMI standards: Cisco ANSI T1.617 Annex D ITU-T Q.933 Annex ADLCI: 400PVCKeepaliveCSU/DSUDLCI: 500PVC10.1.1.1 xLMI 500=Active 400=Inactive 1999, Cisco Systems, Inc. ICND14-8Frame Relay Inverse ARP and LMI OperationFrame Relay Cloud1DLCI=100DLCI=400172.168.5.5172.168
6、.5.7 1999, Cisco Systems, Inc. ICND14-9Frame Relay Inverse ARP and LMI Operation2Status Inquiry2Status InquiryFrame Relay Cloud1DLCI=100DLCI=400172.168.5.5172.168.5.7 1999, Cisco Systems, Inc. ICND14-10Frame Relay Inverse ARP and LMI Operation3Local DLCI 100=Active4Local DLCI 400=Active2Status Inqui
7、ry2Status InquiryFrame Relay Cloud1DLCI=100DLCI=4003172.168.5.5172.168.5.7 1999, Cisco Systems, Inc. ICND14-11Frame Relay Inverse ARP and LMI Operation4Hello, I am 172.168.5.5.3Local DLCI 100=Active4Local DLCI 400=Active2Status Inquiry2Status InquiryFrame Relay Cloud1DLCI=100DLCI=4003172.168.5.5172.
8、168.5.7 1999, Cisco Systems, Inc. ICND14-12Frame Relay Inverse ARP and LMI Operation (cont.)Hello, I am 172.168.5.7.45Frame Relay Map172.168.5.5 DLCI 400 ActiveFrame Relay CloudDLCI=100DLCI=400Frame Relay Map172.168.5.7 DLCI 100 Active5172.168.5.5172.168.5.7 1999, Cisco Systems, Inc. ICND14-13Frame
9、Relay Inverse ARP and LMI Operation (cont.)Hello, I am 172.168.5.7.45Frame Relay Map172.168.5.5 DLCI 400 ActiveFrame Relay CloudDLCI=100DLCI=400Frame Relay Map172.168.5.7 DLCI 100 Active5Hello, I am 172.168.5.5.6172.168.5.5172.168.5.7 1999, Cisco Systems, Inc. ICND14-14Frame Relay Inverse ARP and LM
10、I Operation (cont.)KeepalivesKeepalivesHello, I am 172.168.5.7.45Frame Relay Map172.168.5.5 DLCI 400 ActiveFrame Relay CloudDLCI=100DLCI=400Frame Relay Map172.168.5.7 DLCI 100 Active5Hello, I am 172.168.5.5.677172.168.5.5172.168.5.7 1999, Cisco Systems, Inc. ICND14-15Rel. 11.2 RouterRel. 10.3 Router
11、interface Serial1ip address 10.16.0.1 255.255.255.0encapsulation frame-relaybandwidth 64interface Serial1ip address 10.16.0.2 255.255.255.0encapsulation frame-relaybandwidth 64frame-relay lmi-type ansiHQBranchConfiguring Basic Frame Relay 1999, Cisco Systems, Inc. ICND14-16Inverse ARP Enabled by def
12、ault Does not appear in configuration outputRel. 11.2 RouterRel. 10.3 RouterHQinterface Serial1ip address 10.16.0.1 255.255.255.0encapsulation frame-relaybandwidth 64interface Serial1ip address 10.16.0.2 255.255.255.0encapsulation frame-relaybandwidth 64frame-relay lmi-type ansiBranchConfiguring Bas
13、ic Frame Relay (cont.) 1999, Cisco Systems, Inc. ICND14-17DLCI=110 IP address=10.16.0.1/24 p1r1DLCI=100 IP address=10.16.0.2/24 interface Serial1 ip address 10.16.0.1 255.255.255.0 encapsulation frame-relay bandwidth 64 frame-relay map ip 10.16.0.2 110 broadcastHQBranchConfiguring a Static Frame Rel
14、ay Map 1999, Cisco Systems, Inc. ICND14-18Verifying Frame Relay OperationDisplays line, protocol, DLCI, and LMI informationRouter#show interface s0 Serial0 is up, line protocol is upHardware is HD64570Internet address is 10.140.1.2/24MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1
15、/255Encapsulation FRAME-RELAY, loopback not set, keepalive set (10 sec)LMI enq sent 19, LMI stat recvd 20, LMI upd recvd 0, DTE LMI upLMI enq recvd 0, LMI stat sent 0, LMI upd sent 0LMI DLCI 1023 LMI type is CISCO frame relay DTEFR SVC disabled, LAPF state downBroadcast queue 0/64, broadcasts sent/dropped 8/0, interface broadcasts 5Last input 00:00:02, output 00:00:02, output hang neverLast clearing of “show interface“ counters neverQueueing strategy: fifoOutput queue 0/40, 0 dro
