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Configuring VLAN Rule Definitions Defining VLAN Rules

page 9-12 OmniSwitch 6800/6850/9000 Network Configuration Guide June 2006

• When a VLAN is administratively disabled, static port and dynamic mobile port assignments are

retained but traffic on these ports is not forwarded. However, VLAN rules remain active and continue

to classify mobile port traffic for VLAN membership.

• When a VLAN is deleted from the switch configuration, all rules defined for that VLAN are automati-

cally removed and any static or dynamic port assignments are dropped.

• It is possible to define MAC-port-IP and MAC-port binding rules for Authenticated VLANs

(AVLANs). However, these rules are not active until the avlan port-bound command is issued for the

AVLAN. Note that these rules only apply to traffic received on authenticated ports. See Chapter 22,

“Configuring Authenticated VLANs,” for more information.

Refer to the following sections (listed in the order of rule precedence) for instructions on how to define

each type of VLAN rule:

To display a list of VLAN rules already configured on the switch, use the show vlan rules command. For

more information about this command, refer to the OmniSwitch CLI Reference Guide.

Defining DHCP MAC Address Rules

DHCP MAC address rules capture DHCP frames that contain a source MAC address that matches the

MAC address specified in the rule. See “Application Example: DHCP Rules” on page 9-22 for an exam-

ple of how DHCP port rules are used in a typical network configuration.

To define a DHCP MAC address rule, enter vlan followed by an existing VLAN ID then dhcp mac

followed by a valid MAC address. For example, the following command defines a DHCP MAC address

rule for VLAN 255:

-> vlan 255 dhcp mac 00:00:da:59:0c:11

Only one MAC address is specified when using the vlan dhcp mac command to create a DHCP MAC

rule. Therefore, to specify multiple MAC addresses for the same VLAN, create a DHCP MAC rule for

each address. If dealing with a large number of MAC addresses in sequential order, consider using a

DHCP MAC range rule described in the next section.

Rule See

DHCP MAC Address “Defining DHCP MAC Address Rules” on page 9-12

DHCP MAC Range “Defining DHCP MAC Range Rules” on page 9-13

DHCP Port “Defining DHCP Port Rules” on page 9-13

DHCP Generic “Defining DHCP Generic Rules” on page 9-14

MAC-Port-IP Address Binding

MAC-Port Binding

Port-Protocol Binding

“Defining Binding Rules” on page 9-14

MAC Address “Defining MAC Address Rules” on page 9-17

MAC Address Range “Defining MAC Range Rules” on page 9-18

Network Address “Defining IP Network Address Rules” on page 9-18 and

“Defining IPX Network Address Rules” on page 9-19

Protocol “Defining Protocol Rules” on page 9-20

Port “Defining Port Rules” on page 9-21

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