Hi Ytti we're thinking to upgrade to 10 Gbs the interface, this should help.
Cheers James Il giorno dom 13 dic 2020 alle ore 12:45 Saku Ytti <[email protected]> ha scritto: > Hey James, > > > I see on a customer EX4300 in VC connected to Cisco 3560 huge drop > errors. > > This isn't specific enough to understand what is going on. > > > On Cisco side I've mitigated with hold-queue 4096 but on EX4300 is there > > any related command ? > > Hold-queue is for punted packets, not particularly important or > interesting usually. So I suspect your issue with JNPR has nothing to > do with your issue in CSCO, two separate matters. > > > Or do I'm forced to change buffer size ? > > Maybe. Cost optimised platforms have very little delay buffer, because > it's transistor expensive, which is space expensive, which is yield > expensive. If your traffic flows are such that many ports are sending > to one port, or traffic from high speed interface is going to slow > speed interface you definitely need to tune QoS settings but it might > be that you can only improve not fix the situation. > Mind you, you'd need to do this same on 3560 too, and it's not > hold-queue but you'd assign all buffer space into a single queue, to > allow you to sink largest possible microburst. > > -- > ++ytti > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

