> > My speculative guess would be that OOB access to a few outbound-facing > routers per DC does not help much if a configuration error withdraws the > infrastructure prefixes down to the rack level while dedicated OOB to > each RSW would be prohibitive. >
If your OOB has any dependence on the inband side, it's not OOB. It's not complicated to have a completely independent OOB infra , even at scale. On Tue, Oct 5, 2021 at 8:40 AM Hauke Lampe <la...@hauke-lampe.de> wrote: > On 05.10.21 07:22, Hank Nussbacher wrote: > > > Thanks for the posting. How come they couldn't access their routers via > > their OOB access? > > My speculative guess would be that OOB access to a few outbound-facing > routers per DC does not help much if a configuration error withdraws the > infrastructure prefixes down to the rack level while dedicated OOB to > each RSW would be prohibitive. > > > https://research.fb.com/wp-content/uploads/2021/03/Running-BGP-in-Data-Centers-at-Scale_final.pdf >