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Author Archives: Adam
Taking a Screenshot on an 8800 Series Cisco Phone
Taking screenshots of the screen of Cisco IP phones can be helpful in remote troubleshooting and documentation. Taking screenshots of the latest 88xx phones is just as simple as in the past. Continue reading
Posted in Collaboration, Telephony Tagged cisco, collaboration, CUCM, trouble shoot, voip 3 Comments
Calling Party Routing of Anonymous Calls SIP Header Fix Up
Cisco’s “Route Next Hop By Calling Party Number” translation pattern option has addressed the common question of “how do I route or block calls based on Caller ID?” since CUCM version 8. However, there still remains a limitation and that is how to deal with “Anonymous”, “Restricted” or “Unknown” Calling Numbers. The problem is that the SIP information actually lists this as part of the From header where CUCM typically would expect to see a numeric value. Continue reading
Cisco ISR Router Any Connect with Front Door VRF and a Meraki Firewall
First, let me start by saying I love the Meraki networking stack. It is easy and efficient to deploy and customers love it. Occasionally, however, you find a key feature that Meraki won’t do. In this case, Any Connect client VPN. Continue reading
Posted in Networking, Security Tagged cisco, configuration, IOS, networking, security Leave a comment
Static DHCP Reservations in IOS From a File
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
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