?以下為使用GNS3模擬器起幀中繼的一個簡單實驗：

幀中繼交換機R1 ? ! ! frame-relay switching ! ! interface Serial1/0 ?no ip address ?encapsulation frame-relay ?serial restart-delay 0 ?clock rate 64000 ?frame-relay lmi-type ansi （三種: cisco?ansi?q933a） ?frame-relay intf-type dce ?frame-relay route 102 interface Serial1/1 201 (route ?+ 本地DLCI ?+ 出口 + 對方DLCI) ?frame-relay route 103 interface Serial1/2 301 !???????? interface Serial1/1 ?no ip address ?encapsulation frame-relay ?serial restart-delay 0 ?clock rate 64000 ?frame-relay lmi-type ansi ?frame-relay intf-type dce ?frame-relay route 201 interface Serial1/0 102 ?frame-relay route 304 interface Serial1/2 403 ! interface Serial1/2 ?no ip address ?encapsulation frame-relay ?serial restart-delay 0 ?clock rate 64000 ?frame-relay lmi-type ansi ?frame-relay intf-type dce ?frame-relay route 301 interface Serial1/0 103 ?frame-relay route 403 interface Serial1/1 304 ! ? R2 ! interface Serial1/0 ?ip address 10.0.0.2 255.255.255.0 ?encapsulation frame-relay ?serial restart-delay 0 ?frame-relay map ip 10.0.0.4 103 （對方IP+本地DLCI） ?frame-relay map ip 10.0.0.3 102 ?no frame-relay inverse-arp (不關反向ARP的話，可以動態學習到對方，那么就不用配置frame-relay map ip) end? ? ? ?R3 ! interface Serial1/1 ?ip address 10.0.0.3 255.255.255.0 ?encapsulation frame-relay ?serial restart-delay 0 ?frame-relay map ip 10.0.0.4 304 ?frame-relay map ip 10.0.0.2 201 ?no frame-relay inverse-arp end? ? ? R4 ! interface Serial1/2 ?ip address 10.0.0.4 255.255.255.0 ?encapsulation frame-relay ?serial restart-delay 0 ?frame-relay map ip 10.0.0.2 301 ?frame-relay map ip 10.0.0.3 403 ?no frame-relay inverse-arp end ? 查看映射 show frame-relay map

轉載于:https://blog.51cto.com/lilin1104/445197

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