IBM RackSwitch G8000 Application Manual page 100

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RackSwitch G8000: Application Guide
Figure 6. 802.1Q tagging (after 802.1Q tag assignment)
PVID = 2
Port 1
802.1Q Switch
Port 6
Untagged member
of VLAN 2
Port 2 Port 3
CRC
Port 7 Port 8
CRC* (*Recalculated)
Data
Outgoing
SA
untagged packet
changed
DA
(tag removed)
Tagged member
of VLAN 2
Data Tag SA DA
8100 Priority CFI
16 bits 3 bits 1 bit
After
Key
Priority - User_priority
CFI - Canonical format indicator
VID - VLAN identifier
VID = 2
12 bits
BS45014A