On Wed, Oct 29, 2014 at 12:15:32PM +0100, Michal Schmidt wrote:
> - data centre LAN interface -- hierarchical queuing with a
high
> priority, random drop queue for control plane traffic (LACP, spanning
> tree, etc) and CoDel for other traffic.
Random drop for Spanning Tree and LACP? Really? That is a disaster
waiting to happen. Critical control plane traffic should be highly
prioritized. Most enterprise/datacenter network gear puts control
plane traffic in a NC queue with a small amount of bandwidth
reservation, typically 5%. Dropping STP creates network loops.
Dropping LACP breaks bonded links. These are things you don't want to
happen in your datacenter.