Enterasys Networks D2G124-12P Manual

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D-Series CLI Reference 7-1

7

802.1Q VLAN Configuration

ThischapterdescribestheD‐Seriessystem’scapabilitiestoimplement802.1QvirtualLANs

(VLANs).

VLAN Configuration Summary

VirtualLANsallowthenetworkadministratortopartitionnetworktrafficintologicalgroupsand

controltheflowoftha ttrafficthroughthenetwork.Oncethetrafficand,ineffect,theusers

creatingthetraffic,areassignedtoaVLAN,thenbroadcastandmulticasttrafficiscontained

withintheVLANandusers

canbeallowedordeniedaccesstoanyofthenetwork’sresources.

Also,someoralloftheportsonthedevicecanbeconfiguredasGVRPports,whichenableframes

receivedwithaparticularVLANIDandprotocoltobetransmittedonalimitednumberofports.

Thiskeeps

thetrafficassociatedwithaparticularVLANandprotocolisolatedfromtheotherparts

ofthenetwork.

Port String Syntax Used in the CLI

ForinformationonhowtodesignateVLANsandportnumbersintheCLIsyntax,referto“Port

StringSyntaxUsedintheCLI”onpage 4‐1.

Creating a Secure Management VLAN

Bydefaultatstartup,thereisoneVLANconfiguredontheD‐Seriesdevice.ItisVLANID1,the

DEFAULTVLAN.Thedefaultcommunityname,whichdeterminesremoteaccessforSNMP

management,issetto“public”withread‐writeaccess.

For information about... Refer to page...

VLAN Configuration Summary 7-1

Viewing VLANs 7-2

Creating and Naming Static VLANs 7-4

Assigning Port VLAN IDs (PVIDs) and Ingress Filtering 7-6

Configuring the VLAN Egress List 7-12

Setting the Host VLAN 7-17

Enabling/Disabling GVRP (GARP VLAN Registration Protocol) 7-19

Note: The device can support up to 1024 802.1Q VLANs. The allowable range for VLAN IDs is 1

to 4093. As a default, all ports on the device are assigned to VLAN ID 1, untagged.