Tag Archives: IOS

Static DHCP Reservations in IOS From a File

Posted on July 22, 2017 by Adam

Configuring a DHCP server to hand out IP addresses is probably one of the most fundamental skills a network engineer could have. Don’t be fooled, however, there is plenty of complexity to be had here as well should your environment require it. Occasionally it can be helpful to have a client device receive a static IP address. You can configure this manually or you can allow DHCP to do the work for you. In my example, we have two printers we would like to statically address to ensure they are always available to a print server without any reliance on … Continue reading →

Posted in Networking | Tagged cisco, configuration, IOS, networking | 1 Comment

Dial-Peer Destination Balancing

Posted on September 17, 2016 by Adam

Traditionally, VOIP dial peers follow a fairly limited creation process. You can match a single pattern and direct to a single destination…

…In IOS XE 3.11S and IOS 15.4(1)T a new concept of server groups was created. Continue reading →

Posted in Collaboration, Telephony | Tagged cisco, IOS, voip | Leave a comment

Configure Cisco IOS 802.1x Supplicant

Posted on January 30, 2016 by Adam

If you have an intermediate familiarity with Ethernet switching you are more than likely familiar with 802.1x port based authentication. With that assumption let’s assume your environment is locked down tight enough to the point where this security is enabled. Great! However, what if you needed to add another Cisco device to a client facing switch port? Not so great… How do you get the device to authenticate the same way as your PC does? Fortunately the IOS includes a supplicant for 802.1x that will allow us to authenticate just like a wired windows client! Let’s check out the config … Continue reading →