[j-nsp] 100G DAC issue between MX204 and QFX5110

Tim Jackson jackson.tim at gmail.com
Thu Jun 20 09:33:19 EDT 2019

We've actually had the reverse issue where 17.4 is the only release that
some DACs will function. Any 18.x release seems to break them. These aren't
Juniper coded DACs, but just generic coded:



On Thu, Jun 20, 2019 at 8:24 AM Chris Wopat <me at falz.net> wrote:

> We have tested flexoptix 3rd party DAC between MX204 and QFX5120/QFX10002
> with mixed results. Per release notes/ HCL, DAC isn't supported on MX204
> until 18.2
> https://apps.juniper.net/hct/product/#prd=MX204
> We couldn't link anything with mx204 dac on anything below 18.2. There are
> also a few DAC related PRs in the 18.2r1 release notes.
> https://www.juniper.net/documentation/en_US/junos/information-products/topic-collections/release-notes/18.2/junos-release-notes-18.2.pdf
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