Protocols and standards, Restrictions and guidelines, Configuring qinq – H3C Technologies H3C S12500-X Series Switches User Manual
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Priority Group ID of Priority 4: 4
Priority Group ID of Priority 7: 7
Priority Group ID of Priority 6: 6
Priority Group 0 Percentage: 2
Priority Group 1 Percentage: 4
Priority Group 2 Percentage: 6
Priority Group 3 Percentage: 0
Priority Group 4 Percentage: 10
Priority Group 5 Percentage: 18
Priority Group 6 Percentage: 27
Priority Group 7 Percentage: 31
Number of Traffic Classes Supported: 8
DCBX Parameter Information
Parameter Type: Local
Pad Byte Present: Yes
DCBX Parameter Valid: Yes
Reserved: 0
DCBX Parameter Data
Priority Group ID of Priority 1: 0
Priority Group ID of Priority 0: 0
Priority Group ID of Priority 3: 1
Priority Group ID of Priority 2: 0
Priority Group ID of Priority 5: 0
Priority Group ID of Priority 4: 0
Priority Group ID of Priority 7: 0
Priority Group ID of Priority 6: 0
Priority Group 0 Percentage: 50
Priority Group 1 Percentage: 50
Priority Group 2 Percentage: 0
Priority Group 3 Percentage: 0
Priority Group 4 Percentage: 0
Priority Group 5 Percentage: 0
Priority Group 6 Percentage: 0
Priority Group 7 Percentage: 0
Number of Traffic Classes Supported: 2
The output shows that DC server uses strict priority queuing (represented by priority group ID 15) for
packets carrying 802.1p priority 3 after negotiating with Switch A.
DCBX Parameter Type and Length