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Network link redundancy using BVI

Cisco devices functioning as a gateway can have link redundancy without running routing protocols. Configuring Integrated Routing and Bridging allows two interfaces to be bridged together along with an associated virtual interface that serves as the routed interface.

Automate Cisco commands from Windows

In the previous article, Running commands on a Cisco device from the Windows command line , I wrote on how to run commands from the Windows command line against a Cisco device.  The article was based on using the Unix utility rsh aka Remote Shell.  The biggest downfall of using rsh is the security issues around [...]

Upgrading Staging Hardware

This article explains how to use a router and USB flash drive instead of a PC in staging areas where you need to upgrade software on other network devices before deployment.

Etherchannel Router Interfaces

To increase bandwidth on a given Cisco network device, typically etherchannel technology is used to accomplish this task. In most scenarios, etherchannel is used between two switches to provide additional bandwidth to the uplink connections. In less common instances, Network cards in servers that have drivers supporting the proprietary technology will be configured for etherchannel. [...]

DHCP Services on IOS

Almost every network uses DHCP for IP address assignment. This article explains how to configure a Cisco device for an external DHCP server and also how to configure IOS to act as the DHCP server entirely by itself.