ES-2108 Series User’s Guide

The following table describes the labels in this screen.

Table 16 VLAN: VLAN Port Setting

LABEL

DESCRIPTION

 

 

GVRP

GVRP (GARP VLAN Registration Protocol) is a registration protocol that defines a

 

way for switches to register necessary VLAN members on ports across the

 

network.

 

Select this check box to permit VLAN groups beyond the local switch.

 

 

Port Isolation

Port Isolation isolates ports on the same VLAN (802.1q). ‘This option is the most

 

limiting but also the most secure.

Ingress Check

Select this check box to activate ingress filtering on the switch.

 

Clear this check box to disable ingress filtering the switch.

 

 

Port

This field displays the port number.

 

 

PVID

Enter a number between 1and 4094 as the port VLAN ID.

 

 

GVRP

Select this check box to allow GVRP on this port.

 

 

Acceptable Frame

Specify the type of frames allowed on a port. Choices are All and Tag Only.

Type

Select All from the drop-down list box to accept all untagged or tagged frames on

 

this port. This is the default setting.

 

Select Tag Only to accept only tagged frames on this port. All untagged frames will

 

be dropped.

VLAN Trunking

Enable VLAN Trunking on ports connected to other switches or routers (but not

 

ports directly connected to end users) to allow frames belonging to unknown VLAN

 

groups to pass through the switch.

Apply

Click Apply to save the changes

 

 

Cancel

Click Cancel to start configuring the screen again.

 

 

8.6 Port-based VLAN Setup

Port-based VLANs are VLANs where the packet forwarding decision is based on the destination MAC address and its associated port.

Port-based VLANs require allowed outgoing ports to be defined for each port. Therefore, if you wish to allow two subscriber ports to talk to each other, for example, between conference rooms in a hotel, you must define the egress (an egress port is an outgoing port, that is, a port through which a data packet leaves) for both ports.

Port-based VLANs are specific only to the switch on which they were created.

Note: When you activate port-based VLAN, the switch uses a default VLAN ID of 1. You cannot change it.

In screens (such as IP Setup and Filtering) that require a VID, you must enter 1 as the VID.

The port-based VLAN setup screen is shown next. The CPU management port forms a VLAN with all Ethernet ports.

Chapter 8 VLAN

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