If you need to upgrade the ROMMON version on your ASA, here is a quick guide. Note that you cannot downgrade ROMMON versions, only upgrade. Here are the steps to...
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I would like to go over a spanning-tree option that I use many times to “fix” some switch networks, BPDU-Filter. To start talking about BPDU-Filter, we will need to first...
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Description: This document describes the creation of a freeradius server with mysql back-end to be used for dot1x authentication from a Cisco WLC serving guest wireless access for a series...
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Here’s a quick walk through on how to setup new Access Points in your network once they have been powered on for the first time. Adding Access Points to Your...
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Here’s a quick walkthrough of how to easily upgrade your Cisco AIR-CAP1552E-A-K9 Access Point to a newer 8.3.x.0 code after you have upgraded your WLC to 8.3.x.0 code. Navigate to…
So I found an event today trying to get a remote code execution on one of the servers today. The attacker was from Russia address 5.227.15.91. I did a quick...
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We have a customer who recently upgraded their Anyconnect client to 4.x (started at 4.2 moved to 4.6). After the upgrade, they started having clients lose traffic inbound into their…
In smaller “mom and pop” networks, all the resources and users are all on the same Local Area Network (LAN). These are the easiest to setup and typically resemble most...
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Description: This document describes how to pull call stats via SSH from an AudioCodes Mediant 1000 running in SBC mode. Ever need to determine currently active calls on an AudioCodes…
Editor's Note: Jason Howe is a highly accomplished networking engineer at PEI. All of the opinions expressed in this commentary belong to the author. If you have had to setup...
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