I too deployed dcnm 10 to test the ability to deploy configurations or even custom templates via the API, I found this to be initially challenging because I was forced into deploying dcnm with enhanced fabric function even though I was not going to use those pieces i. I tried using lan mode only not enhanced fabric but the API was not present. Power On Auto Provisioning was a big win for me in terms of time saving and simplicity. This is something that can be done many other ways of course, but when the feature is available for free in the tool and somebody else already spent the time making it work including pre-change snapshots, error detection, and rollback if needed , it would be rude not to give it a go. Cisco has patched two critical vulnerabilities in its Data Center Network Manager software, which could allow a remote attacker to take over affected devices. Overall, the networking giant patched four flaws that existed in the software on this platform: The monitoring in DCNM stands out to me as pointless.
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One of the features of DCNM—indeed, one of the things that the license enables—is monitoring of device status and statistics. Newsletter Subscribe to our Threatpost Today newsletter Join thousands of people who receive the latest breaking cybersecurity news every day.
DCNM collects events from the switches e. Once the attacker does that, he could gain administrative access and take over the device.
We are all about automation, right? I have 16 devices deployed so far; two Fabric Edge leaffour spine switches and ten access leaf switches, and I did not have to manually install software on any of them.
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It took a little tweaking before I got confident with the system, but in the end I have been able to deploy configurations with relative ease and save myself from, for example, having to log in to sixteen different devices in order to dcn a new VLAN in the fabric.
There is some intelligence in kanager 3; in addition to basic data types for the variables e. It is possible to iterate over lists and ranges in order to create multiple items within a single execution of the configuration template, and the template syntax has basic if…then…else functionality.
Cisco Data Center Network Manager (DCNM) – Initial Feedback
In addition, you will find them in the message confirming the subscription to the newsletter. This will probably also be a pain after an RMA, as the license will undoubtedly have to be unassigned so that it can be reassigned. Save my name, email, and website in this browser for the next time I comment.
DCNM will function for a grace period after which it stops collecting statistics from the devices.
Notify me of new posts by email. I will publish a second separate post focusing specifically on examples and syntax issues, but in summary I would describe the functionality as being limited and somewhat braindead. Leave a Reply Cancel reply Your email address will not be published.
Cisco Warns of Critical Flaws in Data Center Network Manager
Sure, tell me overall device health and color the icon on the topology diagram to match, but beyond that it makes most sense to have a proper performance management tool instead, because this really is not worthy. Stop Being a Princess About It. I must confess that sometimes anger was the right word, but at other times it definitely made me smile.
I plan to, for devlce else if not to make RMA a breeze.
Learn how your comment data is processed. Power On Auto Provisioning was a big win dvnm me in terms of time saving and simplicity. IP address, number, boolean value, etc. Watch for a post coming soon about the configuration deployment templates, the syntax and the limitations.
I cannot fully express how much time and heartache this has saved me. Cisco has dealt with a slew of vulnerabilities so far this month: One of these CVE is an arbitrary file upload vulnerability that could enable remote code execution on impacted devices.
Cisco Warns of Critical Flaws in Data Center Network Manager | Threatpost
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