nanog mailing list archives

Re: a quick survey about LLDP and similar


From: Eddie Parra <eparra () zscaler com>
Date: Thu, 28 Feb 2019 01:37:29 -0800

+1 on it depends.  IMO, I would prefer LLDP vs. a vendor proprietary discovery protocol.  Where you intend to run it in 
your network is a major factor for risk.  

Also, you forgot to add LLDP-MED to #5 (but it might not be relevant to your services).

-Eddie



On Feb 28, 2019, at 1:27 AM, Owen DeLong <owen () delong com> wrote:

The problem with your survey is that there’s no option to answer “it depends”.

Hard yes or no answers aren’t realistic to the questions you’re asking because the context,
security parameters, sensitivity, and other parameters about the network all factor into a
decision whether to run or not run such protocols.

There are some environments where the benefit and convenience is moderately high
and the risk is extremely low. There are other environments where the benefit is relatively
low, but the risks are significantly higher.

Owen


On Feb 28, 2019, at 01:00 , Pierfrancesco Caci <pf () tippete net> wrote:


Hello,
having a bit of a debate in my team about turning on LLDP and/or CDP.
I would appreciate if you could spend a minute answering this
survey so I have some numbers to back up my reasoning, or to accept
defeat.

https://www.surveymonkey.com/r/TH3WCWP

Feel free to cross-post to other relevant lists. 

Thank you

Pf

-- 
Pierfrancesco Caci, ik5pvx



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