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[求助] OSPF已学到LSA,域间和外部路由均不放入路由表

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发表于 2013-11-24 12:30:36 | 显示全部楼层 |阅读模式
在做OSPF实验时,发现了一个的现象,拓扑如下:
display.png
拓扑介绍图中76A和76B在Area 0内;IB7和IB10为ABR;AS5和AS6在Area 30
  • 其中在IB7和IB10,AS5和AS6上创建有两个VRF,每个VRF单独起一个OSPF进程;
配置如下
  • 76A
#76A

interface E0/0
ip address 12.12.12.1 255.255.255.252
no shu
!
interface E0/1
ip address 12.12.12.5 255.255.255.252
no shutdown

!
interface E0/2
ip address 23.23.23.2 255.255.255.252
no  shutdown

!
router ospf 300
router-id 1.1.1.1
network 12.12.12.0 0.0.0.3 area 0
network 12.12.12.4 0.0.0.3 area 0
network 23.23.23.0 0.0.0.3 area 0
default-information originate always metric-type 1


  • 76B
interface E0/0
ip address 24.24.24.1 255.255.255.252
no shu
!
interface E0/1
ip address 24.24.24.5 255.255.255.252
no shu

!
interface E0/2
ip address 23.23.23.1 255.255.255.252
no shutdown

!
router ospf 300
router-id 2.2.2.2
network 23.23.23.0 0.0.0.3 area 0
network 24.24.24.0 0.0.0.3 area 0
network 24.24.24.4 0.0.0.3 area 0


  • IB7
ip vrf Ga
ip vrf Gy

interface E0/0
        no switchport
ip vrf forwarding Ga
ip address 12.12.12.2 255.255.255.252
no shu

!
interface E0/1
no switchport
ip vrf forwarding Gy
ip address 12.12.12.6 255.255.255.252
no shutdown

!
interface E0/2
switchport trunk en dot1q
switchport mode trunk
no shu


int vlan 300
ip vrf forwarding Ga
ip add 35.35.35.14 255.255.255.240
no shu

int vlan 500
ip vrf forwarding Gy
ip address 36.36.6.14 255.255.255.240
no shu

router ospf 300 vrf Ga
router-id 3.3.3.3
network 12.12.12.0 0.0.0.3 area 0
network 35.35.35.0 0.0.0.15 area 30
!
router ospf 500 vrf Gy
router-id 33.33.33.33
network 12.12.12.4 0.0.0.3 area 0
network 36.36.36.0 0.0.0.15 area 50


  • IB10
ip vrf Ga
ip vrf Gy

interface E0/0
        no switchport
ip vrf forwarding Ga
ip address 24.24.24.2 255.255.255.252
no shu

!
interface E0/1
no switchport
ip vrf forwarding Gy
ip address 24.24.24.6 255.255.255.252
no shutdown

!
interface E0/2
switchport trunk en dot1q
switchport mode trunk
no shu


int vlan 300
ip vrf forwarding Ga
ip add 35.35.35.13 255.255.255.240
no shu

int vlan 500
ip vrf forwarding Gy
ip address 36.36.6.13 255.255.255.240
no shu

router ospf 300 vrf Ga
router-id 4.4.4.4
network 24.24.24.0 0.0.0.3 area 0
network 35.35.35.0 0.0.0.15 area 30
!
router ospf 500 vrf Gy
router-id 44.44.44.44
network 24.24.24.4 0.0.0.3 area 0
network 36.36.36.0 0.0.0.15 area 50


  • SW
int e0/0
switchport trunk en dot1q
switchport mode trunk

int e0/1
switchport trunk en dot1q
switchport mode trunk

int e0/2
switchport trunk en dot1q
switchport mode trunk

int e0/3
switchport trunk en dot1q
switchport mode trunk


  • AS5
ip vrf Ga
ip vrf Gy

int e0/0
switchport trunk en dot1q
switchport mode trunk



int vlan 300
ip vrf forwarding Ga
ip add 35.35.35.1 255.255.255.240
no shu

int vlan 500
ip vrf forwarding Gy
ip address 36.36.6.1 255.255.255.240
no shu



router ospf 300 vrf Ga
router-id 5.5.5.5
network 35.35.35.0 0.0.0.15 area 30
!
router ospf 500 vrf Gy
router-id 55.55.55.55
network 36.36.36.0 0.0.0.15 area 50


  • AS6
ip vrf Ga
ip vrf Gy

int e0/0
switchport trunk en dot1q
switchport mode trunk



int vlan 300
ip vrf forwarding Ga
ip add 35.35.35.2 255.255.255.240
no shu

int vlan 500
ip vrf forwarding Gy
ip address 36.36.6.2 255.255.255.240
no shu



router ospf 300 vrf Ga
router-id 6.6.6.6
network 35.35.35.0 0.0.0.15 area 30
!
router ospf 500 vrf Gy
router-id 66.66.66.66
network 36.36.36.0 0.0.0.15 area 50



现象描述
在AS5上看OSPF 邻居:
neighbor.png
看OSPF Database
Database.png

查看路由表:
RouteTable.png


各位高手同学,帮忙分析分析!!!
 楼主| 发表于 2013-11-24 12:36:59 | 显示全部楼层
补充个附件,在AS5上的OSPF DataBase明细:

Database_detail.txt

7.67 KB, 下载次数: 1, 下载积分: 鸿鹄币 -1 个

沙发 2013-11-24 12:36:59 回复 收起回复
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