Chapter 2 Ne twork configuration 107

Using the Business Policy Switch 2000 Version 1.2

Figure 18 Default VLAN settings

When you configure VLANs, you configure the switch ports as tagged or untagged members of specific VLANs (see Figure19 through Figure 24).In Figure 18, untagged incoming packets are assigned directly to VLAN 2 (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.
Port 1
DA
SA
Data
CRC
Incoming
untagged
packet
BS45010A
Port 2 Port 3 Port 4 Port 5
VLAN 1
802.1Q Switch
By default:
Key
All ports are assigned PVID = 1
All ports are untagged members of VLAN 1
PVID = 1
Port 6 Port 7 Port 8
DA
SA
Data
CRC
Outgoing
untagged packet
(unchanged)