Dell PowerConnect 6248 Configuration Guide - Page 30

VLAN Configuration Example, VLAN Example Network Diagram

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• The IP-subnet Based VLAN feature lets you map IP addresses to VLANs by specifying a source IP address, network mask, and the desired VLAN ID. • The MAC-based VLAN feature let packets originating from end stations become part of a VLAN according to source MAC address. To configure the feature, you specify a source MAC address and a VLAN ID. The Private Edge VLAN feature lets you set protection between ports located on the switch. This means that a protected port cannot forward traffic to another protected port on the same switch. The feature does not provide protection between ports located on different switches. For information about authenticated, unauthenticated, and guest VLANs, see "802.1X Authentication and VLANs" on page 109. VLAN Configuration Example The diagram in this section shows a switch with four ports configured to handle the traffic for two VLANs. Port 1/g18 handles traffic for both VLANs, while port 1/g17 is a member of VLAN 2 only, and ports 1/g19 and 1/g20 are members of VLAN 3 only. The script following the diagram shows the commands you would use to configure the switch as shown in the diagram. Layer 3 Switch PoProt r1t/1g/107/1 VLVALNAN2 2 PPoorrtt 11//g01/28 VVLLAANNss 22 &&33 PPoorrtt11//0g/240 VVLLAANN33 PPorotrt1/1g/01/93 VLVALNAN3 3 VLAN 2 Figure 3-1. VLAN Example Network Diagram VLAN 3 30 Switching Configuration

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30
Switching Configuration
•
The IP-subnet Based VLAN feature lets you map IP addresses to VLANs by specifying a source IP
address, network mask, and the desired VLAN ID.
•
The MAC-based VLAN feature let packets originating from end stations become part of a VLAN
according to source MAC address. To configure the feature, you specify a source MAC address and a
VLAN ID.
The Private Edge VLAN feature lets you set protection between ports located on the switch. This means
that a protected port cannot forward traffic to another protected port on the same switch.
The feature does not provide protection between ports located on different switches.
For information about authenticated, unauthenticated, and guest VLANs, see "802.1X Authentication
and VLANs" on page 109.
VLAN Configuration Example
The diagram in this section shows a switch with four ports configured to handle the traffic for two
VLANs. Port 1/g18 handles traffic for both VLANs, while port 1/g17 is a member of VLAN 2 only, and
ports 1/g19 and 1/g20 are members of VLAN 3 only. The script following the diagram shows the
commands you would use to configure the switch as shown in the diagram.
Figure 3-1.
VLAN Example Network Diagram
Layer 3 Switch
VLAN 2
VLAN 3
Port 1/g17
VLAN 2
Port 1/g20
VLAN 3
Port 1/g19
VLAN 3
Port 1/g18
VLANs 2 & 3