The IEEE 802.3af standard is implemented on various phone vendors, whereas the Cisco pre-standard power is Cisco proprietary. So, it will limit you to using Cisco phones. This isn't really a problem, but if for some reason you have an access point or some other device that requires 802.3af power to function you will be out of luck. There are other flavors of the 3750 switch that do indeed support the 802.3af standard.
Typically the switch that provide Cisco inline power, a.k.a pre-draft, do not supply as much power as the AF standard calls for. Additionally the detection method for checking to see if a device needs the power is different.
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...