OSPF区域MD5认证

1、区域md5认证

a、在区域内验证

b、配置命令

验证方式： area 区域号 authentication message-digest

简单密码：ip ospfmessage-digest-key 1 md5密码

查看认证方式：show ipospf interface

c、认证成功，能建立邻居关系

en
conf t
hostname R2int loopback 0
ip address 2.2.2.2 255.255.255.0
no shutdown
exitrouter ospf 1
network 192.168.3.0 0.0.0.255 area 0
network 192.168.2.0 0.0.0.255 area 0
network 2.2.2.0 0.0.0.255 area 0
area 0 authentication message-digest
exitint f0/1
ip address 192.168.2.2 255.255.255.0
ip ospf message-digest-key 1 md5 abc
no shutdown
exitint f0/0
ip address 192.168.3.2 255.255.255.0
no shutdown
exit
end

R1#show ip ospf interface

Loopback0 is up, line protocol is up

Internet address is 1.1.1.1/24, Area 0

ProcessID 1, Router ID 1.1.1.1, Network Type LOOPBACK, Cost: 1

Loopback interface is treated as a stub Host

FastEthernet0/0 is up, line protocol is up

Internet address is 192.168.1.2/24, Area 0

Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 1

Transmit Delay is 1 sec, State WAITING, Priority 1

Nodesignated router on this network

Nobackup designated router on this network

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

Hello due in 00:00:00

Index 2/2, flood queue length 0

Next 0x0(0)/0x0(0)

Last flood scan length is 1, maximum is 1

Last flood scan time is 0 msec, maximum is 0 msec

Neighbor Count is 0, Adjacent neighbor count is 0

Suppress hello for 0 neighbor(s)

Message digest authentication enabled

No key configured, using default key id 0

FastEthernet0/1 is up, line protocol is up

Internet address is 192.168.2.1/24, Area 0

Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 1

Transmit Delay is 1 sec, State WAITING, Priority 1

Nodesignated router on this network

Nobackup designated router on this network

Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5

Hello due in 00:00:00

Index 3/3, flood queue length 0

Next 0x0(0)/0x0(0)

Last flood scan length is 1, maximum is 1

Last flood scan time is 0 msec, maximum is 0 msec

Neighbor Count is 1, Adjacent neighbor count is 0

Suppress hello for 0 neighbor(s)

Message digest authentication enabled

Youngest key idis 1

解释：Message digest authentication enabled认证方式启动

R1#show ip ospf database

OSPF Router with ID (1.1.1.1) (Process ID 1)

Router Link States (Area 0)

Link ID ADV Router Age Seq# Checksum Link count

1.1.1.1 1.1.1.1 95 0x80000005 0x00f2eb 3

2.2.2.2 2.2.2.2 95 0x80000005 0x00f7d7 3

Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum

192.168.2.2 2.2.2.2 95 0x80000001 0x006929

R1#show ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

2.2.2.2 1 FULL/DR 00:00:38 192.168.2.2 FastEthernet0/1

解释：能建立邻居关系，认证成功。

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OSPF区域MD5认证

1、区域md5认证

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