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Tag Archives: networking
Cisco Switch Wireshark Packet Capture
One of the most fundamental troubleshooting concepts in all of IT is to capture packets and review the data as it flows over the wire. Historically the easiest way to do this was to configure some type of SPAN port on a switch to copy the traffic to your pack capture device. With today’s less expensive and more powerful hardware it should come as no surprise that this functionality is now available on network hardware it’s self. Continue reading
Posted in Networking Tagged IOS, networking, packet capture, routing, testing, trouble shoot Leave a comment
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
Cisco CUCM 8861 / 8865 Wireless Configuration
The standard mode of operation is typically to wire your IP phone into the network lighting things up with wired Ethernet and PoE. In the case of the 8861 and the 8865 you have the option to disconnect the PoE, power up with a 48 volt power brick and take to the Wi-Fi air waves. Continue reading
Posted in Collaboration, Telephony Tagged cisco, collaboration, configuration, CUCM, networking, wireless Leave a comment
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