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Forum Discussion
index4u
Jun 12, 2017Aspirant
WDNR4300v2 One device displays twice in the Network Map
My Genie's network map shows the same device, a TiVo Roamio Pro, twice. In each detail display, only the IP Address varies. One of the addresses matches the one displayed in the Roamio's network sett...
- Jun 13, 2017
Ok. Some TIVOs have built-in WiFi. If the TIVO WiFi is associated with Orbi and you have it wired as well, you would get two different IPs.
OrbiPhilip
Jun 13, 2017Luminary
Some devices, yes. But not a Tivo, and certainly not a 169 address. It looks like Orbi is listening for and caching arp requests, with a very long expiration timer. Combine that with other devices caching and responding and there appears to be effectively a very long life cycle for arp entries.
Side note: Since the installation of the Orbi, I've noticed a very interesting thing happening. I use AD integrated DNS/DHCP instead of the Orbi. Since the Orbi install, devices tend to lease a different address at expiration instead of re-claiming the one it already has leased. That doesn't make sense because the Orbi isnt' involved in the DHCP process. I noticed because I have multiple devices in my device list, some I have manually identified, others "unknown", all with the same MAC.
st_shaw
Jun 13, 2017Master
OrbiPhilip wrote:It looks like Orbi is listening for and caching arp requests, with a very long expiration timer. Combine that with other devices caching and responding and there appears to be effectively a very long life cycle for arp entries.
Yes. This is why I said the OP should power-cycle everything. That would clear the cached entries.
I also assumed the other WNDR router is disconnected. If not that could cause issues also, two DHCP servers, etc.