Cisco AnyConnect Reconnects Immediately After Login

2019-01-08T10:03:57+00:00January 7th, 2019|Tags: , , , , , , , , , , , |

Something strange would happen when I connected  to a Firepower 2130 running Firepower Threat Defense with Cisco AnyConnect. Basically, the AnyConnect client would contact the VPN gateway just fine, prompt for user credentials, authenticate and connect but then literally after about 3 seconds of being connected it would immediately drop and [...]

Upgrade Firmware on Cisco SG350 / SG550X Switches

2018-12-28T15:23:57+00:00December 28th, 2018|Tags: , , , , , , , , , |

While we are sad to see some of the Cisco Small Business 300 series switches go End-of-Sale, we welcome the 350/550X series with open arms. Cisco has expanded their offering of Small Business Switches to the SG350 or SG550X models. Strangely, some 300 series models have been given end-of-sale [...]

Meraki MR Access Point Link Aggregation (LAG) Configuration

2018-09-06T16:32:02+00:00August 31st, 2018|Tags: , , , , , , , , , , , , , |

It would have been so awesome to rip out all our switching infrastructure and put in hardware that supports Multigagbit and UPOE. Sadly, management didn't want the network infrastructure projects to wipe out the entire IT budget. Good news, there is a simple way to take advantage of "more than [...]

Upgrade Firmware / Bootloader on Cisco SG300 / SG500 Switches

2018-08-29T14:21:57+00:00January 16th, 2018|Tags: , , , , , , , , , , |

Cisco continues to put out new SG switch firmware which adds some nice features and more stability to the product line. Several companies I have worked in the small / medium business sector are turning to these switches for their inexpensive port density and management options in an access layer switch. [...]

Password Recovery Procedure for Cisco SG500 / SG300 Switches

2018-08-26T21:29:09+00:00November 16th, 2016|Tags: , , , , , |

Cisco documentation is out there for this, but searching for it generally only comes back with forum questions and responses. Here's the consolidated information on how to easily break into a Cisco Small Business switch that has a console port. Generally this is limited to the SG300 and SG500 series [...]

Change MAC addresses to be Cisco Friendly

2016-02-17T21:23:55+00:00February 17th, 2016|Tags: , , , , |

Ever get a really long nasty list of MAC addresses that aren't in the aaaa.bbbb.cccc format that Cisco network devices crave? Unfortunately, everyone seems to have their own idea of what a MAC address should look like. You will see on Windows systems, MAC addresses divided by dashes (00-50-56-a0-6e-db) other systems [...]