DataCenter color-coding cabling schema

Owen DeLong owen at
Mon Mar 14 18:39:30 UTC 2016

> On Mar 14, 2016, at 04:42 , Eygene Ryabinkin <rea+nanog at> wrote:
> Sun, Mar 13, 2016 at 05:10:26PM -0700, Owen DeLong wrote:
>> Whatever you do, please do not use Flag labels on cables… I HATE
>> THEM. They are a constant source of entanglement and snags. They
>> often get knocked off as a result or mangled beyond recognition,
>> rendering them useless.
> Hadn't seen that for ages, using Brother P-touch printers for
> small amounts of work and Avery Zweckform paper + laser printing
> for large cable installations.  This stuff (Avery paper),
> lives already for 5+ years and outlived many replacements of
> spine modules (that's InfiniBand fabric) and other operations
> without labels being ruined in any way.

Sorry… To be clear, those hideous attrocities of P-Touch nastiness
are exactly what I meant by flag labels. I had forgotten about the
plastic zip ties with the over-sized surface on the ratchet.

Compare to:

Admittedly, I’m not wild about the bar-code scheme in the last one as I prefer human-readable labels, but YMMV.


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