OSPF中的frame-relay(4) 点到多点广播
2009-04-17 22:38
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hostname R1
!
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface Serial0
ip address 192.168.1.1 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
frame-relay map ip 192.168.1.2 100
frame-relay map ip 192.168.1.3 200 //这两句在这里可以不用配置,因为点到多点,就像是多个点到点的集合,不像MA一样,存在下一跳不可达的问题
router ospf 1
network 1.1.1.1 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
R1#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
3.3.3.3 0 FULL/ - 0:00:31 192.168.1.3 Serial0
2.2.2.2 0 FULL/ - 0:00:35 192.168.1.2 Serial0
//因为在点到多点广播型网络中,为直连的网络,不用选举DR跟BDR
R1#show ip route
1.0.0.0 255.255.255.255 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
2.0.0.0 255.255.255.255 is subnetted, 1 subnets
O 2.2.2.2 [110/65] via 192.168.1.2, 00:00:50, Serial0
3.0.0.0 255.255.255.255 is subnetted, 1 subnets
O 3.3.3.3 [110/65] via 192.168.1.3, 00:00:50, Serial0
192.168.1.0 is variably subnetted, 3 subnets, 2 masks
C 192.168.1.0 255.255.255.0 is directly connected, Serial0
O 192.168.1.3 255.255.255.255
[110/64] via 192.168.1.3, 00:00:50, Serial0
O 192.168.1.2 255.255.255.255
[110/64] via 192.168.1.2, 00:00:50, Serial0
hostname R2
!
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.255
!
interface Serial1
ip address 192.168.1.2 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
frame-relay map ip 192.168.1.1 100 broadcast //在这里可以不用配置,但是如果要静态配置,必须指定为broadcast,因为是一个点对多点的网络类型
!
router ospf 1
network 2.2.2.2 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
!
hostname R3
!
!
no ip domain-lookup
!
interface Loopback0
ip address 3.3.3.3 255.255.255.255
!
interface Serial1
ip address 192.168.1.3 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
frame-relay map ip 192.168.2.1 200 broadcast
!
router ospf 1
network 3.3.3.3 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
本文出自 “xiaomu205.com” 博客,转载请与作者联系!
!
interface Loopback0
ip address 1.1.1.1 255.255.255.255
!
interface Serial0
ip address 192.168.1.1 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
frame-relay map ip 192.168.1.2 100
frame-relay map ip 192.168.1.3 200 //这两句在这里可以不用配置,因为点到多点,就像是多个点到点的集合,不像MA一样,存在下一跳不可达的问题
router ospf 1
network 1.1.1.1 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
R1#sh ip ospf nei
Neighbor ID Pri State Dead Time Address Interface
3.3.3.3 0 FULL/ - 0:00:31 192.168.1.3 Serial0
2.2.2.2 0 FULL/ - 0:00:35 192.168.1.2 Serial0
//因为在点到多点广播型网络中,为直连的网络,不用选举DR跟BDR
R1#show ip route
1.0.0.0 255.255.255.255 is subnetted, 1 subnets
C 1.1.1.1 is directly connected, Loopback0
2.0.0.0 255.255.255.255 is subnetted, 1 subnets
O 2.2.2.2 [110/65] via 192.168.1.2, 00:00:50, Serial0
3.0.0.0 255.255.255.255 is subnetted, 1 subnets
O 3.3.3.3 [110/65] via 192.168.1.3, 00:00:50, Serial0
192.168.1.0 is variably subnetted, 3 subnets, 2 masks
C 192.168.1.0 255.255.255.0 is directly connected, Serial0
O 192.168.1.3 255.255.255.255
[110/64] via 192.168.1.3, 00:00:50, Serial0
O 192.168.1.2 255.255.255.255
[110/64] via 192.168.1.2, 00:00:50, Serial0
hostname R2
!
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.255
!
interface Serial1
ip address 192.168.1.2 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
frame-relay map ip 192.168.1.1 100 broadcast //在这里可以不用配置,但是如果要静态配置,必须指定为broadcast,因为是一个点对多点的网络类型
!
router ospf 1
network 2.2.2.2 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
!
hostname R3
!
!
no ip domain-lookup
!
interface Loopback0
ip address 3.3.3.3 255.255.255.255
!
interface Serial1
ip address 192.168.1.3 255.255.255.0
encapsulation frame-relay
ip ospf network point-to-multipoint
frame-relay map ip 192.168.2.1 200 broadcast
!
router ospf 1
network 3.3.3.3 0.0.0.0 area 0
network 192.168.1.0 0.0.0.255 area 0
本文出自 “xiaomu205.com” 博客,转载请与作者联系!
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