Cisco Catalyst Express500-24PC review
For many years, we’ve commented on growth in the SMB networking marketplace and the potential it represents to manufacturers large and small. Companies such as 3Com and HP recognised this early on and have produced a range of network infrastructure products to suit smaller pockets. Now, Cisco turns its not inconsiderable gaze on the very same market sector. However, in this exclusive review, you’ll see this isn’t merely a passing nod to the SMB but a full-on assault, with one of the first complete communications solutions to market.
Traditionally, Cisco’s focus has been on the mid-market and enterprise levels. This left smaller businesses with the perception that its product line was a poor choice due to high costs, complexity and an inability to scale down to their level. The new product line represents a complete departure from this philosophy. It’s been built from the ground up with the specific aim of targeting businesses ranging from 20 to 250 employees. The Catalyst 500 Series switches provide the foundation, and from this you can build a complete system using Cisco’s new ISRs (integrated services routers), IP telephones and call management software.
The Catalyst Express 500-24PC offers 24 802.3af-compliant ports, but PoE prioritisation isn’t required, as the 370W supply allows it to deliver 15.4W on all ports simultaneously. Perhaps the most important feature is the lack of a serial port normally provided for access to the CLI. It’s a well-known fact that although Cisco’s IOS (internetwork operating system) is a powerful feature, it’s far too complex for IT staff in SMBs to use. With these new products, Cisco has not only streamlined the installation and configuration process, but simplified it so much that access to the IOS isn’t necessary.
On power-up, the switch checks all its ports and flashes one port status indicator to show that it’s to be used for direct PC connection. Once linked up, you press the Setup button on the front panel and the switch’s DHCP services will assign the PC an IP address. Next, you load a web browser that goes directly to the switch’s express setup page, where you can assign a fixed IP address to the default VLAN and secure administrative access. Hit the Submit button and you’ll then be presented with Cisco’s ace-in-the-hole – its Smartports interface. This allows roles to be assigned to specific ports, and the switch will automatically optimise performance to cater for the attached devices.
Your next stop is Device Manager, which offers full access to switch configuration. The homepage provides a detailed switch status overview and the Smartports option allows you to select a port and add a role, which could be a server, switch or desktop connection, an access point, IP phone and desktop, a printer or a guest system. Either way, the switch will automatically configure features such as QoS specifically for the attached device. Diagnostics don’t get any better: you can run a basic link test, as the switch uses time domain reflectometry to detect breaks in cables plus poor or failed connections.
Cisco’s Network Assistant (CNA) aims to take the pain out of switch configuration. Setting general network security is simple, as CNA provides a slider bar with three options. A Low setting limits the number of users that can have port access, Medium implements authorisation by a MAC address table and High forces the use of a RADIUS server. The Smartports features really comes into play here, as Cisco devices will be automatically identified on connection and CNA will suggest the best settings for them. Add a Cisco IP phone, and Smartports can suggest and automatically apply QoS parameters to give voice traffic the highest priority. Non-Cisco devices such as servers can also be given different priorities, as you can assign one of four roles to them that determine how critical they are to business operations. The guest mode also has many uses. Assigning this role to a port would allow you, for example, to connect an AP to it and isolate all wireless traffic from the main network with just a few mouse clicks.
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