Trouble Ticket 17-3

Problem: IPv6 users in the 2001:db8:0:4::/64 network report that they are not able to access resources in the 2001:db8:0:1::/64 network.

You begin troubleshooting by confirming the problem on Branch. As shown in Example 17-51, the ping from 2001:db8:0:4::4 to 2001:db8:0:1::1 fails.

Example 17-51 Confirming the Problem with a Ping

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Branch#ping 2001:db8:0:1::1 source 2001:db8:0:4::4Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 2001:DB8:0:1::1, timeout is 2 seconds:Packet sent with a source address of 2001:DB8:0:4::4.....Success rate is 0 percent (0/5)

While gathering further information, you decide to ping an IPv6 address in the 2001:db8:0:23::/64 network. As shown in Example ...

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