Dear,
I have a discussion ongoing with a co-worker about the Cisco Phone operation in the mac address table. He says he sees the mac address appearing with a data vlan tag and also re-appearing. The phone has both the data vlan tag & voice vlan tag on it's mac.
To me this seems like normal operation as alot of phones are equipped with a second port to feed network to a workstation, hence the data vlan.
But he says that some phones just quickly come into the data vlan & then dissapear again, this behaviaiour i never payed any attention to but it could mean that there is just no computer attached.
This was because we are going to perform a dot1x project and my co-worker fears that having the cisco phone also in the data vlan & voice vlan that this will cause issues.
Does anyone have some experience to share on this matter
Kind Regards,
