On Fri, Jul 02, 2021 at 03:18:51PM +0100, Cathal Mooney via juniper-nsp wrote: > Hi, > > We have some QFX5100-48S-6Q and EX4300-48T switches, on which we've > observed tail drops / outbound discards in our monitoring. > > As a result we plan to re-partition the buffer allocation, assigning the > maximum space to the best-effort class as described here: > > https://www.juniper.net/documentation/us/en/software/junos/traffic-mgmt-qfx/topics/example/cos-shared-buffer-allocation-lossy-ucast-qfx-series-configuring.html > > I am curious about the statement that "traffic stops on /all/ ports > until buffer reprogramming is complete." Does anyone have any > real-world experience of making this kind of change? What kind of
In my practice such changes on standalone switches resulted in short enough (<0.1sec) traffic interruptions. No idea about virtual-chassis. > interruption to packet forwarding should we expect (we're just changing > the allocation for the existing default classes - not adding any new > ones.) Also we have these configured in a virtual-chassis of 2 x > QFX5100 and 6 x ES4300, any idea on what behaviour to expect in that > circumstance? > > Best regards, > > Cathal. > > > > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
