On Thu, 8 Jul 2021 at 19:25, Lukas Tribus <lukas@ltri.eu> wrote:
More generally speaking, single link overloads causing PL or even full blackholing affecting single links (and therefore in a load-balanced environment: specific tuples) is something that is very frustrating to troubleshoot and it happens quite a lot in the DFZ. It
Ask your vendor to implement RFC5837, so that in addition to the bundle interface having the L3 address, traceroute also returns the actual physical interface that received the packet. This would expedite troubleshooting issues where elephant flows congest specific links. Juniper and Nokia support adaptive load balancing, dynamically adjusting hash=>interface mapping table, to deal with elephant flows without congesting one link. -- ++ytti