PFC Configuration Notes.............................................................................................................. 91
PFC Prerequisites and Restrictions...............................................................................................92
ETS Configuration Notes.............................................................................................................. 92
ETS Prerequisites and Restrictions............................................................................................... 93
dcb-map..............................................................................................................................................94
S4810, S6000, and FC Flex IO Modules with MXL and I/O Aggregator..................................... 94
priority-pgid.........................................................................................................................................95
S4810, S6000, and FC Flex IO Modules with MXL and I/O Aggregator......................................95
pfc mode on........................................................................................................................................96
priority-group bandwidth pfc.............................................................................................................97
S4810, S6000, and FC Flex IO Modules with MXL and I/O Aggregator......................................97
dcb-map stack-unit all stack-ports all...............................................................................................98
S4810, S6000, and FC Flex IO Modules with MXL and I/O Aggregator..................................... 98
show qos dcb-map.............................................................................................................................99
S4810, S6000, and FC Flex IO Modules with MXL and I/O Aggregator..................................... 99
Priority-Based Flow Control Using Dynamic Buffer Method..........................................................100
Pause and Resume of Traffic......................................................................................................100
Buffer Sizes for Lossless or PFC Packets....................................................................................100
Interworking of DCB Map With DCB Buffer Threshold Settings..................................................... 101
Configuring the Dynamic Buffer Method........................................................................................ 102
Applying a DCB Map in a Switch Stack ........................................................................................... 103
dcb pfc-shared-buffer-size..............................................................................................................103
S6000 S4810 S4820T MXL......................................................................................................... 103
dcb-buffer-threshold .......................................................................................................................104
S6000 S4810 S4820T MXL......................................................................................................... 104
priority................................................................................................................................................105
S6000 S4810 S4820T MXL......................................................................................................... 105
qos-policy-buffer..............................................................................................................................106
S6000 S4810 S4820T MXL......................................................................................................... 106
dcb-policy buffer-threshold (Interface Configuration)...................................................................108
S6000 S4810 S4820T MXL......................................................................................................... 108
dcb-policy dcb-buffer-threshold (Global Configuration)...............................................................109
S4810 S4820T MXL..................................................................................................................... 109
show qos dcb-buffer-threshold.......................................................................................................109
show hardware stack-unit buffer-stats-snapshot (With Polling and History)................................ 110
dcb pfc-total-buffer-size.................................................................................................................. 117
S6000........................................................................................................................................... 117
show running-config dcb-buffer-threshold.................................................................................... 117
dcb pfc-queues................................................................................................................................. 119
7 Egress Interface Selection (EIS) for HTTP and IGMP Applications........... 121
Protocol Separation...........................................................................................................................121