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set vlan dynamicegress

8-16 802.1Q VLAN Configuration

VLAN 51 is disabled

VLAN 52 is disabled

VLAN 53 is enabled

VLAN 54 is enabled

VLAN 55 is enabled

set vlan dynamicegress

UsethiscommandtoadministrativelysetthedynamicegressstatusforoneormoreVLANs.

Syntax

set vlan dynamicegress vlan-list {enable | disable}

Parameters

Defaults

None.

Mode

Switchcommand,read‐write.

Usage

IfdynamicegressisenabledforaparticularVLAN,whenaportreceivesaframetaggedwiththat

VLAN’sID,theswitchwilladdthereceivingporttothatVLAN’segresslist.Dynamicegressis

disabledontheSecureStackC2bydefault.

Forexample,assumeyouhave20AppleTalkuserson

yournetworkwhoaremobileusers(thatis,

usedifferentportseveryday),butyouwanttokeeptheAppleTalktrafficisolatedinitsown

VLAN.YoucancreateanAppleTalkVLANwithaVLANIDof55withaclassificationrulethatall

AppleTalktrafficgetstaggedwithVLANID

55.Then,youenabledynamicegressforVLAN55.

Now,whenanAppleTalkuserplugsintoport

ge.3.5andsendsanAppleTalkpacket,theswitch

willtagthepackettoVLAN55andalsoaddport

ge.3.5toVLAN55’segresslist,whichallowsthe

AppleTalkusertoreceiveAppleTalktraffic.

Example

ThisexampleshowshowtoenabledynamicegressonVLAN55:

C2(rw)->set vlan dynamicegress 55 enable

Setting the Host VLAN

Purpose

ToconfigureahostVLANthatonlyselectdevicesareallowedtoaccess.Thissecuresthehostport

formanagement‐onlytasks.

vlan‐list SpecifiestheVLANsbyIDtoenableordisabledynamicegress.

enable|disable Enablesordisablesdynamicegress.

Enterasys SecureStack C2 User Manual

Questions and Answers: