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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

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