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DES-7200 Configuration Guide Chapter 3 IPv6 Tunnel Configuration
3-8
ND advertised retransmit interval is 0 milliseconds
ND router advertisements are sent every 200 seconds<240--160>
ND router advertisements live for 1800 seconds
3.4 IPv6 Tunnel
Configuration Instances
The following sections introduce IPv6 tunnel configuration instances.
z Manual IPv6 Tunnel Configuration
z ISATAP Tunnel Configuration
3.4.1 Manual IPv6 Tunnel
Configuration
As shown in the above figure, IPv6 networks N1 and N2 are isolated by the IPv4
network. Now, the two networks are interconnected by configuring a tunnel manually.
For example, the H-A3 host in N1 can access the H-B3 host in N2.
In the figure, RT-A and RT-B are routers that support the IPv4 and IPv6 protocol stacks.
Tunnel configuration occurs on the Area Border Routers (RT-A and RT-B) in N1 and N2.
Note that the tunnel must be configured manually in pairs, that is, on RT-A and RT-B.
The following presents the tunnel configuration on routers:
Prerequisite: Suppose the routes of IPv4 are connected. In the following content, no
more route configuration condition about IPv4 is listed.
RT-A configuration
#Connect the interfaces of the IPv4 network
interface FastEthernet 2/1
no switchport
ip address 192.1.1.1 255.255.255.0
#Connect the interfaces of the IPv6 network