Hitting 100% CPU after restore on Firepower Management Center

I recently purchased a new microserver to reduce my power footprint at home. And I had to move the FMC (Firepower Management Center) from the...

PoC on Network API’s

A sample use case of what is possible when you bring two great technologies together

FTD access policy behaviour

In a previous blog I’ve written about the differences between Firepower Threat Defense and ASA software. And although the basic OS appears to be ASA with Snort set in between ASA ingress and egress, some basic concepts of the ASA (or actually the PIX) have dissappeared in FTD. And it will have an impact once you migrate from ASA (with or without firepower) to FTD devices.

Assigning a single IPv6 address to devices

I have been running IPv6 and IPv4 concurrently. At Cisco Live San Diego 2019  I shared some of my experiences with Jeffry Handal (I met him initially at CiscoLive Barcelona 2019)  and somewhow we ended up talking about IPv6 and how by default you receive multiple IPv6 addresses. To me, that was one of my frustrations, so my network is setup in such a way that it only assigns a single IPv6 address. It appears that such a setup is not very common. So I would like to share with you how my IPv6 network is configured.

Cisco C9800-CL sits idle at GRUB Loading Stage2…

Cisco Catalyst 9800 Wireless Controller for cloud fails to boot after a reset and sits idle with a GRUB Loading message.

Assigning a single IPv6 address to devices

Assigning a single IPv6 address to devices

I have been running IPv6 and IPv4 concurrently. At Cisco Live San Diego 2019  I shared some of my experiences with Jeffry Handal (I met him initially at CiscoLive Barcelona 2019)  and somewhow we ended up talking about IPv6 and how by default you receive multiple IPv6 addresses. To me, that was one of my frustrations, so my network is setup in such a way that it only assigns a single IPv6 address. It appears that such a setup is not very common. So I would like to share with you how my IPv6 network is configured.

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Assigning a single IPv6 address to devices

It’s been a while…

It's been a long time since I've put a blog post up on my site. It's not that I have not been busy, on the contrary. I have been working on my book (Transforming existing networks to Intent Based Networking), which is going to be published later this year, exciting,...

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