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Cabletron Systems 9A128-01 manual Settings, Vpi

Models: 9A128-01

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ATM Conﬁguration

Settings

The Settings portion of the window contains a list box which displays information about each of the currently conﬁgured PVCs, as well as the ﬁelds used to conﬁgure new connections:

I/F	The device interface on which the PVC was conﬁgured.
VPI	Displays the Virtual Path Identiﬁer assigned to the
	connection; current versions of 9A128-01ﬁrmware allow
	values from 0 - 3. Virtual Path Identiﬁers are used to
	group virtual connections, allowing for channel trunking
	between ATM switches. Each VPI can be conﬁgured to
	carry many different channels (designated by VCIs)
	between two points.
VCI	Displays the Virtual Channel Identiﬁer assigned to the
	connection; allowable values are 0 - 1023 for each VPI.
	Each assigned VCI must be unique within its deﬁned
	VPI: for example, you can assign a VCI of 14 as many as
	four times: once with a VPI of 0, once with a VPI of 1, and
	so on. Remember, it is the combined VPI and VCI
	designations assigned to a channel that creates the
	grouping of virtual connections.
Encapsulation Type	Displays the method used to encapsulate LAN packets
	on the selected circuit. Current versions of 9A128-01
	ﬁrmware use 802.3 VC-based multiplexing for bridging
	protocols (designated VC MUX 802.3 Bridged); future
	versions will add support for ATM Forum LAN
	Emulation and Cabletron’s SecureFast Switching. You
	may also see some connections assigned a type of
	“other”; these are default connections that cannot be
	modiﬁed or deleted.
Status	Displays the current administrative status of the
	connection: enabled or disabled. In current versions of
	ﬁrmware, all connections are enabled by default, and
	cannot be disabled.
UpTime	The length of time the selected connection has been
	enabled.

NOTE

You can only view current connections; you will not be allowed to add new connections, delete existing connections, or modify existing connections, on 9A128-01’s with the ﬁrmware currently supported.

Accessing the ATM Connections Window

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Image 38

Cabletron Systems 9A128-01 manual Settings, Vpi

Contents

Cabletron Systems Virus Disclaimer Page Restricted Rights Notice Page Contents Index Chapter Fddi ManagementChapter Bridging Using This Guide IntroductionRelated Reading Device Name Software ConventionsCommon Window Fields IP AddressGetting Help Using ButtonsUsing On-line Help LocationGetting Help from the Cabletron Systems Global Call Center FTPFirmware Versions Supported 9A128-01 Module View Viewing Module Information Front Panel InformationUpTime Boot PromConnection Status Port StatusDate Menu StructureTime A128-01 Module View Menu Structure Device MenuPort Status Menu Help Menu Fddi MenuUtilities Menu Board MenusPort Status Displays Port MenusSelecting a Port Status View Bridge Port Status DisplaysBridge Port Status Color Codes Bridge Port StateBridge Mapping Fddi Port Status DisplaysConnection State LER EstimateChassis Manager Window Fddi Port Status Color CodesModule Type Viewing Hardware TypesDevice Type Viewing I/F Summary Information Module Type WindowSta IndexDescription Interface Performance Statistics/Bar GraphsRaw Counts LoadRate Interface Statistics WindowUnicast ErrorAddress Non-UnicastTransmit Queue Size Transmit only Using the Find Source Address FeaturePackets Received Received only Packets Transmitted Transmit onlySetting the Device Date and Time Managing the HubEnabling and Disabling Ports Bridge PortsModule Ports Accessing the ATM Connections Window ATM ConﬁgurationATM Conﬁguration Connection DataSettings VPIConﬁguring Connections Adding a New ConnectionDeleting a Connection ATM Conﬁguration Conﬁguring Connections Fddi Management Conﬁguration Fddi ManagementMAC State Neg. Negotiated SMT VersionReq. Requested Target Token Rotation Time Number of MACs Concentrator M PortsConcentrator Non-M Ports MAC PathConnection Policy 15 32,768 a permanently set value for this bit Number of Nodes Address ModeStation List Topology Stations PanelNode Class Upstream NeighborPerformance Receive Frames Frame ErrorsTransmit Frames Lost FramesFddi Management Performance Bridging Bridge Status Window BridgingInterface Type Up TimeBridge State on Interface Bridge AddressConﬁguring Duplex Modes Enabling and Disabling Bridging Bridge Statistics Performance GraphsForwarded Green Xmitted Blue Total Errors RedFiltered Magenta Conﬁguring the Bridge Performance GraphsFiltered ErrorsForwarded XmittedForwarded from Interface Statistics WindowForwarded to Description Using Source Addressing Setting the Ageing Time Port Source Addresses WindowBridge Spanning Tree Conﬁguring the Bridge Spanning Tree Window Bridge PriorityRoot Port Root BridgeRoot Cost ProtocolMax Age Forwarding DelayHello Time Hold TimeChanging Bridge Spanning Tree Parameters Changing Hello Time Changing Bridge PriorityChanging the Spanning Tree Algorithm Protocol Type Changing Port Priority Changing Forwarding Delay TimeChanging Max Age Time Filtering Database Changing Path CostBridging Bridging Capacity ListNumber Ageing TimePort Filtering Conﬁguring the Filtering DatabaseReceive Port Changing the Receive Port Altering the Ageing TimeChanging the Type of Entry Changing the Port Filtering ActionClearing All Permanent, Static, or Dynamic Entries Bridging Filtering Database Index Index-2 Index-3 Index Index-4