【正文】
OSPF 的優(yōu)先級為 0 確保 BBR1被選為 DR。 第七步:在邊界路由器 ,PxR1 和 PxR2,驗(yàn)證幀中繼網(wǎng)絡(luò)接口的網(wǎng)絡(luò)類型。 【路由器配置】: P1R1: hostname P1R1 ! bootstartmarker bootendmarker ! no aaa newmodel ip subzero no ip domain lookup ! interface Ether0 ip address ! interface Serial0 ip address encapsulation framerelay ip ospf priority 0 framerelay map ip 111 broadcast no framerelay inversearp ! interface Serial1 ip address clockrate 64000 ! router ospf 1 routerid logadjacencychanges work area 1 work area 0 ! no ip server ip classless ! line con 0 exectimeout 30 0 logging synchronous line aux 0 line vty 0 4 login End P1R2: hostname P1R2 ! bootstartmarker bootendmarker no aaa newmodel ip subzero no ip domain lookup ! interface Ether0 ip address ! interface Serial0 ip address encapsulation framerelay ip ospf priority 0 framerelay map ip 112 broadcast no framerelay inversearp ! interface Serial1 ip address ! router ospf 1 routerid logadjacencychanges work area 1 work area 0 ! no ip server ip classless ! line con 0 exectimeout 30 0 logging synchronous line aux 0 line vty 0 4 login ! End P1