Bay Networks BayStack 350 Using Manual page 45

In Figure
(PVID = 2). Port 5 is configured as a tagged member of VLAN 2, and port 7 is
configured as an untagged member of VLAN 2.
PVID = 2
Untagged packet
CRC Data SA DA
Before
Figure 1-10. 802.1Q Tagging (1 of 4)
As shown in
switch through port 5, which is configured as a tagged member of VLAN 2. The
untagged packet remains unchanged as it leaves the switch through port 7, which
is configured as an untagged member of VLAN 2.
PVID = 2
Port 1
Port 6
Untagged memeber
of VLAN 2
Outgoing
untagged packet
(unchanged)
Figure 1-11. 802.1Q Tagging (2 of 4)
304376-B Rev 00
1-10, untagged incoming packets are assigned directly to VLAN 2
Port 1 Port 2
802.1Q Switch
Port 6 Port 7
Figure 1-11, the untagged packet is marked (tagged) as it leaves the
Port 2 Port 3
802.1Q Switch
Port 7 Port 8
CRC
Data
SA
DA
BayStack 350 10/100/1000 Series Switches
Port 3
Port 8
Untagged member
of VLAN 2
Tagged member
of VLAN 2
CRC* Data Tag
(*Recalculated)
8100 Priority
16 bits
Key
Priority - User_priority
CFI - Canonical format indicator
VID - VLAN identifier
Tagged member
of VLAN 2
BS35011A
SA DA
CFI VID = 2
3 bits 1 bits 12 bits
After
BS35012A
1-21