ospf实验
实验要求
1、R6为ISP只能配置ip地址，R1-5的环回为私有网段
2、R1/4/5为全连的MGRE结构，R1/2/3为星型的拓扑结构，R1为中心站点
3、所有私有网段可以互相通讯，私有网段使用OSPF协议完成
拓扑图
R1/4/5为全连的MGRE结构
R1/4/5
使用全连所有接口工作方式为broadcast；DR/BDR将默认自动选举成功
R1
[r1-Tunnel0/0/0]display this [V200R003C00] # interface Tunnel0/0/0 ip address 1.1.1.1 255.255.255.0 tunnel-protocol gre p2mp source GigabitEthernet0/0/1 ospf network-type broadcast nhrp entry multicast dynamic nhrp network-id 100 # return
OSPF Process 1 with Router ID 1.1.1.1 Neighbors Area 0.0.0.0 interface 1.1.1.1(Tunnel0/0/0)'s neighbors Router ID: 4.4.4.4 Address: 1.1.1.4 State: Full Mode:Nbr is Master Priority: 1 DR: 1.1.1.1 BDR: 1.1.1.4 MTU: 0 Dead timer due in 31 sec Retrans timer interval: 4 Neighbor is up for 00:19:27 Authentication Sequence: [ 0 ] Router ID: 5.5.5.5 Address: 1.1.1.5 State: Full Mode:Nbr is Master Priority: 1 DR: 1.1.1.1 BDR: 1.1.1.5 MTU: 0 Dead timer due in 34 sec Retrans timer interval: 4 Neighbor is up for 00:20:18 Authentication Sequence: [ 0 ]
[r1]display ospf peer b OSPF Process 1 with Router ID 1.1.1.1 Peer Statistic Information ---------------------------------------------------------------------------- Area Id Interface Neighbor id State 0.0.0.0 Tunnel0/0/0 4.4.4.4 Full 0.0.0.0 Tunnel0/0/0 5.5.5.5 Full 0.0.0.0 Tunnel0/0/1 2.2.2.2 Full 0.0.0.0 Tunnel0/0/1 3.3.3.3 Full ---------------------------------------------------------------------------- [r1]
R4
[r4-Tunnel0/0/0]display this [V200R003C00] # interface Tunnel0/0/0 ip address 1.1.1.4 255.255.255.0 tunnel-protocol gre p2mp source GigabitEthernet0/0/0 ospf network-type broadcast nhrp entry multicast dynamic nhrp network-id 100 nhrp entry 1.1.1.1 14.1.1.1 register nhrp entry 1.1.1.5 54.1.1.1 register # return
[r4]display ospf peer b OSPF Process 1 with Router ID 4.4.4.4 Peer Statistic Information ---------------------------------------------------------------------------- Area Id Interface Neighbor id State 0.0.0.0 Tunnel0/0/0 1.1.1.1 Full 0.0.0.0 Tunnel0/0/0 5.5.5.5 Init ---------------------------------------------------------------------------- [r4]
<r4>display ospf peer OSPF Process 1 with Router ID 4.4.4.4 Neighbors Area 0.0.0.0 interface 1.1.1.4(Tunnel0/0/0)'s neighbors Router ID: 1.1.1.1 Address: 1.1.1.1 State: Full Mode:Nbr is Slave Priority: 1 DR: 1.1.1.1 BDR: 1.1.1.5 MTU: 0 Dead timer due in 36 sec Retrans timer interval: 0 Neighbor is up for 00:22:00 Authentication Sequence: [ 0 ] Router ID: 5.5.5.5 Address: 1.1.1.5 State: Init Mode:Nbr is Master Priority: 1 DR: 1.1.1.1 BDR: 1.1.1.5 MTU: 0 Dead timer due in 37 sec Retrans timer interval: 0 Neighbor is up for 00:00:00 Authentication Sequence: [ 0 ]
R5
[r5-Tunnel0/0/0]display this [V200R003C00] # interface Tunnel0/0/0 ip address 1.1.1.5 255.255.255.0 tunnel-protocol gre p2mp source GigabitEthernet0/0/0 ospf network-type broadcast nhrp entry multicast dynamic nhrp network-id 100 nhrp entry 1.1.1.1 14.1.1.1 register nhrp entry 1.1.1.4 44.1.1.2 register # return
[r5]display ospf peer b OSPF Process 1 with Router ID 5.5.5.5 Peer Statistic Information ---------------------------------------------------------------------------- Area Id Interface Neighbor id State 0.0.0.0 Tunnel0/0/0 1.1.1.1 Full ---------------------------------------------------------------------------- [r5]
<r5>display ospf peer OSPF Process 1 with Router ID 5.5.5.5 Neighbors Area 0.0.0.0 interface 1.1.1.5(Tunnel0/0/0)'s neighbors Router ID: 1.1.1.1 Address: 1.1.1.1 State: Full Mode:Nbr is Slave Priority: 1 DR: 1.1.1.1 BDR: 1.1.1.5 MTU: 0 Dead timer due in 34 sec Retrans timer interval: 5 Neighbor is up for 00:23:18 Authentication Sequence: [ 0 ]
R1/2/3为星型的拓扑结构，R1为中心站点
所有接口的工作方式为p2mp
不进行dr、bdr选举
R1
[r1-Tunnel0/0/1]display this [V200R003C00] # interface Tunnel0/0/1 ip address 2.2.2.1 255.255.255.0 tunnel-protocol gre p2mp source 41.1.1.1 ospf network-type p2mp nhrp entry multicast dynamic nhrp network-id 200 # return
Area 0.0.0.0 interface 2.2.2.1(Tunnel0/0/1)'s neighbors Router ID: 2.2.2.2 Address: 2.2.2.2 State: Full Mode:Nbr is Master Priority: 1 DR: None BDR: None MTU: 0 Dead timer due in 111 sec Retrans timer interval: 5 Neighbor is up for 00:52:38 Authentication Sequence: [ 0 ] Router ID: 3.3.3.3 Address: 2.2.2.3 State: Full Mode:Nbr is Master Priority: 1 DR: None BDR: None MTU: 0 Dead timer due in 102 sec Retrans timer interval: 5 Neighbor is up for 00:52:08 Authentication Sequence: [ 0 ]
R2
[r2-Tunnel0/0/1]display this [V200R003C00] # interface Tunnel0/0/1 ip address 2.2.2.2 255.255.255.0 tunnel-protocol gre p2mp source GigabitEthernet0/0/0 ospf network-type p2mp nhrp network-id 200 nhrp entry 2.2.2.1 41.1.1.1 register # return
OSPF Process 1 with Router ID 2.2.2.2 Neighbors Area 0.0.0.0 interface 2.2.2.2(Tunnel0/0/1)'s neighbors Router ID: 1.1.1.1 Address: 2.2.2.1 State: Full Mode:Nbr is Slave Priority: 1 DR: None BDR: None MTU: 0 Dead timer due in 112 sec Retrans timer interval: 5 Neighbor is up for 00:54:25 Authentication Sequence: [ 0 ]
R3
[r3-Tunnel0/0/1]display this [V200R003C00] # interface Tunnel0/0/1 ip address 2.2.2.3 255.255.255.0 tunnel-protocol gre p2mp source GigabitEthernet0/0/0 ospf network-type p2mp nhrp network-id 200 nhrp entry 2.2.2.1 41.1.1.1 register # return
[r3]display ospf peer OSPF Process 1 with Router ID 3.3.3.3 Neighbors Area 0.0.0.0 interface 2.2.2.3(Tunnel0/0/1)'s neighbors Router ID: 1.1.1.1 Address: 2.2.2.1 State: Full Mode:Nbr is Slave Priority: 1 DR: None BDR: None MTU: 0 Dead timer due in 118 sec Retrans timer interval: 5 Neighbor is up for 00:54:19 Authentication Sequence: [ 0 ]
所有私有网段可以互相通讯
<r2>ping 192.168.1.1 PING 192.168.1.1: 56 data bytes, press CTRL_C to break Reply from 192.168.1.1: bytes=56 Sequence=1 ttl=255 time=40 ms Reply from 192.168.1.1: bytes=56 Sequence=2 ttl=255 time=20 ms Reply from 192.168.1.1: bytes=56 Sequence=3 ttl=255 time=30 ms Reply from 192.168.1.1: bytes=56 Sequence=4 ttl=255 time=30 ms Reply from 192.168.1.1: bytes=56 Sequence=5 ttl=255 time=30 ms --- 192.168.1.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 20/30/40 ms <r2>ping 192.168.10.1 PING 192.168.10.1: 56 data bytes, press CTRL_C to break Reply from 192.168.10.1: bytes=56 Sequence=1 ttl=255 time=40 ms Reply from 192.168.10.1: bytes=56 Sequence=2 ttl=255 time=20 ms Reply from 192.168.10.1: bytes=56 Sequence=3 ttl=255 time=30 ms Reply from 192.168.10.1: bytes=56 Sequence=4 ttl=255 time=20 ms Reply from 192.168.10.1: bytes=56 Sequence=5 ttl=255 time=30 ms --- 192.168.10.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 20/28/40 ms <r2>ping 192.168.5.1 PING 192.168.5.1: 56 data bytes, press CTRL_C to break Reply from 192.168.5.1: bytes=56 Sequence=1 ttl=254 time=50 ms Reply from 192.168.5.1: bytes=56 Sequence=2 ttl=254 time=40 ms Reply from 192.168.5.1: bytes=56 Sequence=3 ttl=254 time=40 ms Reply from 192.168.5.1: bytes=56 Sequence=4 ttl=254 time=50 ms Reply from 192.168.5.1: bytes=56 Sequence=5 ttl=254 time=40 ms --- 192.168.5.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 40/44/50 ms <r2>ping 192.168.4.1 PING 192.168.4.1: 56 data bytes, press CTRL_C to break Reply from 192.168.4.1: bytes=56 Sequence=1 ttl=254 time=30 ms Reply from 192.168.4.1: bytes=56 Sequence=2 ttl=254 time=40 ms Reply from 192.168.4.1: bytes=56 Sequence=3 ttl=254 time=40 ms Reply from 192.168.4.1: bytes=56 Sequence=4 ttl=254 time=40 ms Reply from 192.168.4.1: bytes=56 Sequence=5 ttl=254 time=40 ms --- 192.168.4.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 30/38/40 ms <r2>ping 192.168.3.1 PING 192.168.3.1: 56 data bytes, press CTRL_C to break Reply from 192.168.3.1: bytes=56 Sequence=1 ttl=255 time=40 ms Reply from 192.168.3.1: bytes=56 Sequence=2 ttl=255 time=30 ms Reply from 192.168.3.1: bytes=56 Sequence=3 ttl=255 time=40 ms Reply from 192.168.3.1: bytes=56 Sequence=4 ttl=255 time=30 ms Reply from 192.168.3.1: bytes=56 Sequence=5 ttl=255 time=30 ms --- 192.168.3.1 ping statistics --- 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 30/34/40 ms
