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What are the BGP messages that will be exchanged when the link between ``AS3`` and ``AS4`` fails ? How does this affect the reachability of the different hosts ?
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What is the Loc-RIB of ``AS6`` for prefix `p1` ? Indicate which is the best route towards this prefix.
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What is the Loc-RIB of ``AS6`` for prefix `p9` ? Indicate which is the best route towards this prefix.
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What is the Loc-RIB of ``AS8`` for prefix `p2` ? Indicate which is the best route towards this prefix.
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What is the Loc-RIB of ``AS9`` for prefix `p2` ? Indicate which is the best route towards this prefix.
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What is the path that packets follow from a host attached to ``AS1`` to a host attached to ``AS8`` ?
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What is the path that packets follow from a host attached to ``AS2`` to a host attached to ``AS7`` ?
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What is the path that packets follow from a host attached to ``AS8`` to a host attached to ``AS1`` ?
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What is the path that packets follow from a host attached to ``AS8`` to a host attached to ``AS2`` ?
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When a router starts, it sends a request message. This is illustrated in the figure below with the first message sent by router ``r2``. This message is sent inside an IPv6 packet whose source address is the link-local address of the router and the destination address is ``ff02::9`` which is the reserved multicast address for RIPng.
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When this network is launched, `ping6all` reports connectivity problems. Hosts `h1` and `h4` cannot exchange packets. Can you fix the problem by changing the routing policy used on only one interdomain link ? Justify your answer
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When this network starts, all hosts can reach all other hosts.
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Without a BGP session between ``AS2`` and ``AS3``, there are reachability problems in this simple Internet.
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