一、概念
- OSPF非0區(qū)域必須要掛靠到區(qū)域0上才可以通信济榨,而通過(guò)打虛鏈路下隧,可以使遠(yuǎn)端非0區(qū)域與區(qū)域0連接
- 中轉(zhuǎn)區(qū)域(虛鏈路穿過(guò)的區(qū)域)不能是末節(jié)區(qū)域
- 兩端都要配置
- 查看虛鏈路:
show ip ospf virtual-links
二、配置
R1: router ospf 1
R1: area 1 virtual-link 2.2.2.2
R2: router ospf 1
R2: area 1 virtual-link 1.1.1.1
三蓬戚、配置虛鏈路明文認(rèn)證
R1: router ospf 1
R1: area 1 virtual-link 2.2.2.2 authentication
R1: area 1 virtual-link 2.2.2.2 authentication-key cisco
R2: router ospf 1
R2: area 1 virtual-link 1.1.1.1 authentication
R2: area 1 virtual-link 1.1.1.1 authentication-key cisco
四喉脖、配置虛鏈路MD5認(rèn)證
R1: router ospf 1
R1: area 1 virtual-link 2.2.2.2 authentication message-digest
R1: area 1 virtual-link 2.2.2.2 message-digest-key 1 md5 cisco
R2: router ospf 1
R2: area 1 virtual-link 1.1.1.1 authentication message-digest
R2: area 1 virtual-link 1.1.1.1 message-digest-key 1 md5 cisco
五塘秦、在不連續(xù)骨干區(qū)域0下,配置隧道模式虛鏈路
R1: int tunnel 0
R1: ip addr 10.1.1.1 255.255.255.0
R1: tunnel source s1/1
R1: tunnel destination 12.1.1.2
R2: int tunnel 1
R2: ip addr 10.1.1.2 255.255.255.0
R2: tunnel source s1/0
R2: tunnel destination 12.1.1.1
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