Shulou(Shulou.com)06/01 Report--

1. Overlay Tunnel parsing

2. Experimental topology

3. Basic configuration

R1 configuration

Ipv6 unicast-routing

Interface Loopback0

Ipv6 address 1::1/64

Interface FastEthernet1/0

Ipv6 address 2000:12::1/64

R2 configuration

Ipv6 unicast-routing

Interface Loopback0

Ip address 2.2.2.2 255.255.255.0

Interface FastEthernet2/0

Ip address 23.1.1.2 255.255.255.0

Ip route 3.3.3.0 255.255.255.0 23.1.1.3

R3 configuration

Ipv6 unicast-routing

Interface Loopback0

Ip address 3.3.3.3 255.255.255.0

Interface FastEthernet2/0

Ip address 23.1.1.3 255.255.255.0

Ip route 2.2.2.0 255.255.255.0 23.1.1.2

R4 configuration

Ipv6 unicast-routing

Interface Loopback0

Ipv6 address 4::4/64

Interface FastEthernet1/0

Ipv6 address 2000:34::4/64

4. Configure Overlay Tunnel

R1 configuration

Interface Loopback0

Ipv6 ospf 110 area 0

Interface FastEthernet1/0

Ipv6 ospf 110 area 0

Ipv6 router ospf 110

Router-id 1.1.1.1

R2 configuration

Interface Tunnel2

Ipv6 enable

Ipv6 ospf 110 area 0

Tunnel source 2.2.2.2

Tunnel destination 3.3.3.3

Tunnel mode ipv6ip

Interface FastEthernet1/0

Ipv6 ospf 110 area 0

Ipv6 router ospf 110

Router-id 2.2.2.2

R3 configuration

Interface Tunnel3

Ipv6 enable

Ipv6 ospf 110 area 0

Tunnel source 3.3.3.3

Tunnel destination 2.2.2.2

Tunnel mode ipv6ip

Interface FastEthernet1/0

Ipv6 ospf 110 area 0

Ipv6 router ospf 110

Router-id 3.3.3.3

R4 configuration

Interface Loopback0

Ipv6 ospf 110 area 0

Interface FastEthernet1/0

Ipv6 ospf 110 area 0

Ipv6 router ospf 110

Router-id 4.4.4.4

5. Experimental test

The disadvantage of this method is that when there are multiple IPv6 networks that need to visit each other, we need to establish Tunnel between the two, which will be a lot of work.

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