H3C Technologies H3C S12500-X Series Switches - Manual (Page 193)

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PFC Enabled on Priority 2: No
PFC Enabled on Priority 3: Yes
PFC Enabled on Priority 4: No
PFC Enabled on Priority 5: No
PFC Enabled on Priority 6: No
PFC Enabled on Priority 7: No
Number of Traffic Classes Supported: 1
The output shows that DC server performs PFC for packets carrying 802.1p priority 3 after negotiating
with Switch A.