by Brian Scheewe | Apr 20, 2021 | Cisco, Networking
Packet Capture on a Remote Cisco Device Typically when I need to do a packet capture on a remote Cisco IOS/IOS-XE device, I use RSPAN to mirror that traffic someplace where a VM can receive the capture. This week I learned a trick that allows much more flexibility!...
by Brian Scheewe | Apr 5, 2021 | Certifications, Cisco, Fortinet, VMware
This post is part three to Why We Love Continuing Education and Certifications and How I Study for IT Certification Exams There’s a genre of movie that’s usually predictable, sometimes corny, but always endearing. These are the movies where a group of...
by Brian Scheewe | Mar 11, 2021 | 3CX, Certifications, Cisco, Fortinet
This post is part 1 in a three part series which includes How I Study for IT Certification Exams and What Certs Should My IT Team Have? My First IT Certification When I graduated from UNC Asheville in the spring of 2003 with a Computer Science degree, I had assumed...
by Brian Scheewe | Nov 13, 2017 | Cisco, VoIP
We changed a customer from PRI to SIP trunk and after the change, the Exchange UM stopped working for calls coming in from the outside. We found the following error in the logs: %VOICE_IEC-3-GW: CCAPI: Internal Error (Software Error): IEC=1.1.180.1.13.112 on callID...
by Brian Scheewe | Dec 7, 2016 | Cisco
On the pre 4000 series ISRs you would use the regular Cisco escape sequence to exit a service module — CTRL-SHIFT-6 followed by X. In the 44xx and 43xx series routers the switch modules do not respond to the regular escape sequence from the console. Instead,...
by Brian Scheewe | Nov 25, 2015 | Cisco, Networking, Virtualization
The Cisco ASA firewall can run as virtual host for multiple virtual ASA’s known as contexts. We recently ran into an issue where a memory leak made one context inoperable. Rather than reload the entire ASA and take out the other contexts we wanted to only...
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