DCB-PFC(8) Linux DCB-PFC(8) (NAME) dcb-pfc - (Priority-based Flow Control) dcb (SYNOPSIS) dcb [ OPTIONS ] pfc { COMMAND | help } dcb pfc show dev DEV [ pfc-cap ] [ prio-pfc ] [ macsec-bypass ] [ delay ] [ requests ] [ indications ] dcb pfc set dev DEV [ prio-pfc PFC-MAP ] [ macsec-bypass { on | off } ] [ delay INTEGER ] PFC-MAP := [ PFC-MAP ] PFC-MAPPING PFC-MAPPING := { PRIO | all }:{ on | off } PRIO := { 0 .. 7 } (DESCRIPTION) dcb pfc (PFC Priority-based Flow Control) DCB ( Data Center Bridging) . PFC (lossless) PFC . (PARAMETERS) - set . show . . PFC . pfc-cap - (traffic classes) PFC . requests - PFC . -s . indications - PFC . -s . macsec-bypass { on | off } (bypass) MACsec MACsec . prio-pfc PFC-MAP PFC-MAP dcb(8) . on / off PFC . delay INTEGER (round-trip propagation delay) . 0..65535 . (EXAMPLE & USAGE) PFC : # dcb pfc set dev eth0 prio-pfc 6:on 7:on PFC : # dcb pfc set dev eth0 prio-pfc all:off 6:on 7:on delay 0x1000 : # dcb pfc show dev eth0 pfc-cap 8 macsec-bypass off delay 4096 prio-pfc 0:off 1:off 2:off 3:off 4:off 5:off 6:on 7:on (EXIT STATUS) 0 . (SEE ALSO) dcb(8) (REPORTING BUGS) . . (AUTHOR) Petr Machata iproute2 31 October 2020 DCB-PFC(8)