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Forum Replies

  1. Hi Rene

    Question, should the following sentence under Within Network say IPv4 rather than IPv6?

    “The destination IPv6 address network bits are derived from the BR IPv6 address that the router knows.”

    Also how does 100:10::1 get mapped to .1 on the IPv4 side?

    And on Outside Domain, why is the IPv4 Source the IP of CE2 (192.168.1.2), when the ping is initiated from Host 1 behind CE1? Should it be 192.168.1.1?

    Thanks

  2. Hi Chris,

    Thanks, that last line shouldn’t be there so I removed it.

    The IPv6 prefix has this format:

    http://mleb.net/?Exams=networklessons-routing-sale-100-105-exam&exam=wp-content/uploads/2018/02/ipv6-6rd-prefix-format.png

    Now take a look at this address:

    http://mleb.net/?Exams=networklessons-routing-sale-100-105-exam&exam=wp-content/uploads/2018/02/ipv6-6rd-prefix-format-common-bits.png

    2001:DB8 is the ISP prefix, what comes next is the IPv4 address.

    192.168.1.1 in hexadecimal is C0A8:0101, but I don’t have to embed the entire IPv4 address. I can forget about 192.168.1. (those are the common b

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