ospf配置在NBMA中的实验

配置center

center(config)#int s1/2
center(config-if)#no sh
center(config-if)#fr
center(config-if)#fras
00:01:35: %LINK-3-UPDOWN: Interface Serial1/2, changed state to up
00:01:36: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to up
center(config-if)#fram
center(config-if)#fram
center(config-if)#fram
center(config-if)#fram
center(config-if)#enc
center(config-if)#encapsulation fr
center(config-if)#encapsulation frame-relay
center(config-if)#frm
center(config-if)#fram
center(config-if)#frame-relay lmi
center(config-if)#frame-relay lmi-t
center(config-if)#frame-relay lmi-ty
center(config-if)#frame-relay lmi-type ansi
center(config-if)#no arp fr
center(config-if)#no fram inv
center(config-if)#ip add 192.168.1.1 255.255.255.0
center(config-if)#no sh
center(config-if)#

center(config-if)#frame-relay map ip 192.168.1.2 102 b
center(config-if)#frame-relay map ip 192.168.1.3 103 b

center(config)#router ospf 1
center(config-router)#exi
center(config)#int lo 1
center(config-if)#ip add 1.1.1.1 255.255.255.0
center(config-if)#exi
center(config)#router ospf 1
center(config-router)#net 192.168.1.0 0.0.0.255 area 0
center(config-router)#net 1.1.1.0 0.0.0.0.255 area 0

center(config-router)#neighbor 192.168.1.2

center(config-router)#nei 192.168.1.3

配置branch1

branch1(config)#int s1/2

branch1(config-if)#no sh
branch1(config-if)#enc
branch1(config-if)#encapsulation fr
branch1(config-if)#f
00:02:42: %LINK-3-UPDOWN: Interface Serial1/2, changed state to up
branch1(config-if)#fra
00:02:43: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to up

branch1(config-if)#no sh
branch1(config-if)#enc
branch1(config-if)#encapsulation fr
branch1(config-if)#f
00:02:42: %LINK-3-UPDOWN: Interface Serial1/2, changed state to up
branch1(config-if)#fra
00:02:43: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to up

branch1(config-router)#nei 192.168.1.1(可以不做)

配置branch2

branch2(config)#int s1/2
branch2(config-if)#no sh
branch2(config-if)#
00:03:57: %LINK-3-UPDOWN: Interface Serial1/2, changed state to up
branch2(config-if)#
00:03:58: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/2, changed state to up
branch2(config-if)#enc
branch2(config-if)#encapsulation fr
branch2(config-if)#frame lmi-ty ansi
branch2(config-if)#no arp fr
branch2(config-if)#no frame inv
branch2(config-if)#ip add 192.168.1.3 255.255.255.0
branch2(config-if)#no sh
branch2(config-if)#frame map ip 192.168.1.1 301 b
branch2(config-if)#frame map ip 192.168.1.2 301 b
branch2(config-if)#int lo 1
branch2(config-if)#ip add 3.3.3.3 255.255.255.0
branch2(config-if)#exi
branch2(config)#router ospf 1
branch2(config-router)#net 192.168.1.0 0.0.0.255 area 0
branch2(config-router)#net 3.3.3.0 0.0.0.0.255 area 0
                                          ^
% Invalid input detected at '^' marker.

branch2(config-router)#net 3.3.3.0 0.0.0.255 area 0 
branch2(config-router)#exi
branch2(config)#int s1/2
branch2(config-if)#ip ospf pri 0
branch2(config-if)#
00:12:58: %OSPF-5-ADJCHG: Process 1, Nbr 192.168.1.1 on Serial1/2 from LOADING to FULL, Loading Done
branch2(config-if)#exi
branch2(config)#router ospf 1
branch2(config-router)#nei 192.168.1.1（可以不做）

 

center#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.1.0 is directly connected, Loopback1
     2.0.0.0/24 is subnetted, 1 subnets
O       2.2.2.0 [110/65] via 192.168.1.2, 00:00:04, Serial1/2
     3.0.0.0/24 is subnetted, 1 subnets
O       3.3.3.0 [110/65] via 192.168.1.3, 00:00:04, Serial1/2
C    192.168.1.0/24 is directly connected, Serial1/2