I have just added the new one switch (Catalyst Express 500) to my LAN. I set up the trunk to one of my old switches (Catalyst 3550). I have two VLAN set up. I tested the ports. The communication works from catalyst 500 to catalyst 3550 (all ports) and vice versa. When I reconnected my DHCP server from catalyst 3550 to catalyst 500 the DHCP server was not available for the hosts from the network however the server replied the ping tests and the hosts with statically configured TCP/IP settings used to reply the tests sent from the server as well.
On the layer 3 interface where your client users are located place the IP helper-address xx.xx.xx.xx on the interface. The address will be the address of the DHCP server or device allocating the addresses. This will help you ....
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...