Port VID

1

The VLAN ID assigned to untagged frames received on this

 

 

port.

 

Port Default

0

Set the default ingress priority to any value beneath the

Priority²

 

priority threshold (chapter 3 “Configuring Global Bridge

 

 

Settings”) to specify the low priority queue, or to any value

 

 

equal to or above this threshold to specify the high priority

 

 

queue.

 

VLAN

Layer 2 -

Indicates whether or not VLAN tags will be included on frames

Tagging³

Rx All,

transmitted out of this port. The options include:

 

Tx All

Rx All:

Accepts all frames, tagged or untagged.

 

Multilayer -

Rx Untag: Only accepts untagged frames.

 

Tx All:

If PVID and frame tag are same, sends tagged

 

Rx All,

 

frame, otherwise send untagged.

 

Tx Untag

Tx Untag:

Sends only untagged frames.

Port

Enabled

Enables or disables GVRP for this port. When disabled, any

GVRP

 

GVRP packets received on this port will be discarded and no

 

 

GVRP registrations will be propagated from other ports.

 

 

Note that GVRP must be enabled globally for the switch

 

 

before this setting can take effect. (See “Configuring Global

 

 

Bridge Settings” on chapter 3.)

Port

Enabled

Enables or disables GMRP for this port. When enabled, this

GMRP

 

port will allow endstations to register with multicast groups

 

 

using GMRP.

 

 

Note that GMRP must be enabled for the switch before this

 

 

setting can take effect (chapter 3 “Configuring Global Bridge

 

 

Settings”).

 

 

 

IGMP and IGMP Snooping also provide multicast filtering. For

 

 

multilayer mode, the full IGMP protocol set is automatically

 

 

enabled / disabled along with DVMRP. (See “IGMP Protocol”

 

 

on chapter 4, “Configuring DVMRP” on chapter 3, and

 

 

“Configuring IGMP Snooping” on chapter 3.)

Ingress

Disabled

If enabled, incoming frames for VLANs which do not include

Filtering4

 

this ingress port in their member set will be discarded at the

 

 

ingress port.

2.This switch supports Quality of Service (QoS) by using two priority queues, with Weighted Fair Queuing for each port. Inbound frames that do not have VLAN tags are tagged with the input port’s default ingress user priority, and then placed in the appropriate priority queue at the output port. The default priority for all ingress ports is zero. Therefore, any inbound frames that do not have priority tags will be placed in the low priority queue of the output port. (Note that if the output port is an untagged member of the associated VLAN, these frames are stripped of all VLAN tags prior to transmission.)

3.If you want to create a small port-based VLAN for just one or two switches, you can assign ports to the same untagged VLAN (and use a separate connection where a

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LevelOne GSW-2600TXM manual Rx Untag Only accepts untagged frames