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SecureStack B3 Configuration Guide 8-1

802.1Q VLAN Configuration

ThischapterdescribestheSecureStackB3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isola ted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 5‐1.

Creating a Secure Management VLAN

Bydefaultatstartup,thereisoneVLANconfiguredontheSecureStackB3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 8-1

Viewing VLANs 8-2

Creating and Naming Static VLANs 8-4

Assigning Port VLAN IDs (PVIDs) and Ingress Filtering 8-6

Configuring the VLAN Egress List 8-12

Setting the Host VLAN 8-16

Enabling/Disabling GVRP (GARP VLAN Registration Protocol) 8-18

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.

Enterasys SecureStack B3 User Manual

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