Cisco's IP telephony offering has become so complex in such a short period of time that to learn about it now involves a two-part, eight-day training course. Delegates can either attend the two parts ...

LLDP is supported in most of Cisco’s newer switches and phone models. Use the Cisco feature navigator link in the references portion of this blog to see if your Cisco switch has LLDP capabilities. CDP ...

Cisco has warned users of a vulnerability concerning Unified Communications Manager (Unified CM), part of the control system for Cisco's IP telephony systems. Affecting Cisco Unified CM and Cisco ...

This lesson introduces and describes the role, architecture, hardware and software requirements, and the licensing model of the CUCM. Cisco Unified Communications (UC) is an IP-based communications ...

Enter configuration commands, one per line. End with CNTL/Z. RSDSwitch1(config)#interface GigabitEthernet1/0/1 RSDSwitch1(config-if)#ip address 192.168.10.253 255.255.255.0 % Invalid input detected at ...

I've got a problem, I've been trying to implement some layer2 security on our switches with Port-Security, only allowing 2 MAC addresses on any 1 switchport. I've been looking at some of our switches ...

Cisco Access Lists allow businesses to increase system security by defining exactly which devices are allowed to access network resources. Each Access List comprises a series of entries, with each ...