NMC DOiT Vol.2 Scenario 11 – IPv6 FR, No Inverse ARP

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I forgot to mention one important thing I learned in scenario 11.  When running IPv6 over frame-relay, you have to manually map your addresses to DLCIs.  Inverse ARP isn’t supported.  I didn’t notice this before, because in almost every lab thus far, I’ve had to disable inverse ARP for the IPv4 networks.  So naturally, I had to map the IPv6 addresses as well.  On this scenario, I was required to rely solely on inverse ARP for the IPv4.  So, I was surprised to discover that I had no IPv6 connectivity across the frame, until I mapped the addresses.

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By Ethan Banks

Ethan Banks is a podcaster and writer with a BSCS and 20+ years in enterprise IT. He's operated data centers with a special focus on infrastructure — especially networking. He's been a CNE, MCSE, CEH, CCNA, CCNP, CCSP, and CCIE R&S #20655. He's the co-founder of Packet Pushers Interactive, LLC where he creates content for humans in the hot aisle.

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