Cisco IOS Security Basic Example Template Description: If you are not actively securing your network devices themselves, you might as well not have any additional security in place at all. Cisco has many ways to prevent known attacks from taking place against IOS devices. Use Continue reading →
Cisco Etherchannel Configuration Example Description: The following is a basic example of an etherchannel on a Cisco IOS device. Etherchannels (sometimes referred to as port channels, or channel groups) are a way to combine multiple ports on a switch to allow you to use the Continue reading →
Cisco Syslog Configuration Example Description: The following is a simple example of setting up syslog messages from your Cisco device to a remote server. Syslog messages are helpful in the troubleshooting process and storing them off of your device helps for a few reasons. First, Continue reading →
Cisco Interface Range Configuration Description: During configuration of a new user access switch or other device with a switchport module, it can be beneficial to range all of the ports with a default configuration to ensure uniformity and save time. The following example enters a Continue reading →
Cisco SNMP V3 Basic Configuration Description: Here’s a quick configuration for SNMP V3 to allow remote polling of your Cisco IOS devices. In this example, an access list 99 is created to restrict who can use SNMP. You’ll want to change that in Line 1 Continue reading →
Cisco 871W Configuration Example Description: Cisco 871W routers are old and considered end of life. However many are available for budget cost on Ebay and other various retailers and they still make for a good home wireless solution. With that said, configuration of wireless from Continue reading →
This is an updated audio version of the Netflow export video previously put online. I covered the basics to enabling netflow on your device for particular interfaces, creating an SNMP group and user for the collector to use, and setting up the actual export to Continue reading →
In this ticket, we receive a complaint of a user with no connectivity. As it turns out, port security was activated on that port and caused the port to shut down. I cover a few commands to help you identify this, including “show int status Continue reading →
In this video we look at what you might see in a daily ticket in the networking queue. The ticket requires we make network changes to install a new server on the network, with new vlan creation. I started from the physical connection to the Continue reading →
