Host-to-Router
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This is a generalization of host-to-router and router-to-host
tunneling, because the issues when connecting a whole site (using a
router ...
... A.3. Specific SPD for Host-to-Router Scenario ...
... router's SPD.
While this might be an implementation matter for host-to-router
tunneling, having a similar entry, "Local=IPV6 ...
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This could be used (for example) by the host in the host-to-router
scenario to obtain an IPv6 address from the ISP ...