Hi! Experts
Sorry for disturbing, we are using QFX5100 virtual-chassis for
distrubiuting storage traffic, the average traffic volume is 2-3 Gbps but
there is burst traffic will exceed the interface bandwidth (we see there
are tailed drop counter keep increasing in best-effort queue), so we want
to reallocate maximum switch buffer for egress be traffic, from the JUNOS
document it seems there is a knob to do this:
lab@qfx5100> show configuration class-of-service shared-buffer
ingress {
percent 100;
buffer-partition lossless {
percent 5;
}
buffer-partition lossy {
percent 90;
}
buffer-partition lossless-headroom {
percent 5;
}
}
egress {
percent 100;
buffer-partition lossless {
percent 5;
}
buffer-partition lossy {
percent 90;
}
buffer-partition multicast {
percent 5;
}
}
Is there any experience or any best practice to do this? Thanks for your
help!
--
BR!
James Chen
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