My phone company gave me a new modem. It has its wifi and ethernet ports on the same ip lan. I have one of its ethernet ports hooked to a switch. I noticed that a wired machine on the switch can't seem to reach a host on wifi until I "warm up" its arp cache by contacting it from the wifi host first. I hope that made sense. Is this an issue for anyone else?

Do I need to search the modem's menus to tell it to forward arp data between the two segments of the lan? I don't see something obvious. Is this considered an security issue to avoid spoofing from war drivers or something?

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Anthony Carrico

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