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Promotion of the Month
Cyclades AlterPath™ ACS - Application Notes

Console Management for Routers and Firewalls

The scenario:


The customer in this scenario manages several college networks across the state of Minnesota. Every campus activity relies heavily on computers and networking devices, which demands maximum network uptime. The Network Services staff has to keep every switch, router, network under close control to maintain a high network performance.

The problem:

How to securely access and manage every switch, router, firewall and network probe located in 60+ campuses. Those networking devices are to be constantly monitored for any abnormal needs to be quickly corrected. They can be managed using in-band access, but on-site service the device stops responding to in-band access requests. Out-of-band access could be used, manufacturers’ out-of-band management solutions do not meet the security requirements.



The solution:

Use Cyclades-TS400 Console Server for secure access and management of remote switches, routers, firewalls and RMON probes. The TS400 has the required security features for remote management and the port density to cover the geographically spread network and keep its high availability.



Cyclades-TS series Console Servers are primarily used for out-of-band management of servers. The Network Services administrators had to access and manage their network elements like firewalls and routers throughout campuses. They realized that the Cyclades-TS would be an excellent tool to get all the information from their remote firewalls, switches, probes and routers they needed to efficiently manage their network. Security was a relevant concern, along with reliability, ease of use and flexibility, which made them fit to their specific needs.

The TS400 has 4 ports per unit, the right port density to manage their remote routers, switches, RMON probes and firewalls installed in their campuses networks across the state. SSH access is used along with out-of-band access for remote recovery. High reliability was also of relevant concern because the network devices were too apart. Booting from flash assured no dependency on mechanical disk drives, which removed the most likely cause of hardware failure at those remote sites. The small Linux firmware also proved to be very robust.

The Network Monitoring Station accesses TS machines to reach the console port of networking devices to get essential data on network health. Monitoring of switches, routers and gateways provides detailed data on their working configuration, user session, spanning tree, port capability, connectivity, port status, system status and neighboring. Firewalls give relevant data to manage secure network operation. Skilled analysis of collected network activity and security logs can pinpoint threats and filter potentially suspicious activities.

The TS400 will also be used in an ambitious plan for future improvement of network management. The availability of the CDK (Cyclades Development Kit) contains the source code which makes it easy to embed new functionalities in the TS.

Being familiar with software development in Linux, the network staff in Minnesota will use the CDK to create a custom firmware with new functions for the TS. Embed it, and it will be ready to go with a new functionality tailored to their needs. One exclusive TS, one exclusive functionality.

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