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							- The roadwarriors <b>carol</b> and <b>dave</b> set up an IPv6 tunnel connection each 
 
- to gateway <b>moon</b>. The authentication is based on distinct <b>pre-shared keys</b>
 
- and IPv6 addresses. Upon the successful establishment of the IPsec tunnels,
 
- <b>leftfirewall=yes</b> automatically inserts ip6tables-based firewall rules that
 
- let pass the tunneled traffic. In order to test both tunnel and firewall, both
 
- <b>carol</b> and <b>dave</b> send an IPv6 ICMP request to client <b>alice</b>
 
- behind the gateway <b>moon</b> using the ping6 command.
 
 
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