Chapter 2 Network configuration 57

Figure 12 Default VLAN settings

802.1Q Switch

 

 

 

VLAN 1

 

 

 

Port 1

Port 2

Port 3

Port 4

Port 5

Port 6

Port 7

Port 8

PVID = 1

 

 

 

 

 

 

 

DA

SA

Incoming

untagged Data packet

CRC

Key

CRC

Outgoing Data untagged packet

(unchanged) SA

DA

By default:

All ports are assigned PVID = 1

All ports are untagged members of VLAN 1

BS45010A

When you configure VLANs, you configure the switch ports as tagged or untagged members of specific VLANs (see Figure 13 through Figure 21).

In Figure 12, 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.

Using the BayStack 420 10/100/1000 Switch

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Nortel Networks 1000ASE-XD, 1000BASE-SX, 1000BASE-LX, 1000BASE-ZX manual Default Vlan settings