I have an Avaya device that is not showing up in either the Mac-Address table or the ARP table. However, I have no filtering going on. The link status shows it is fully up. I am using a 3750 switch. Does anyone have any ideas on how I could get this device to work on my network? I heard that with some VoIP devices, they do not give out their MAC Address for security.
I have never understood this thing about "with some VoIP devices, they do not give out their MAC Address for security." If they don't give out their MAC addresses, then how are you supposed to send packets to them at layer-2? Do they have some sort of back-door ARP mechanism?
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
practices to identify possible threats and take security measures. It
provides an overview of basic multicast, the best security practices for
use of this technology, and recommendati...