# Managing Port Configuration

To get information about a port on your switch, select the port in the CiscoView display and choose Port from the Configure menu. The following categories of information may be available, depending on the port type:

Physical

Displays physical information for the port.

Interface

Displays interface information for the port.

Capabilities

Displays information about the capabilities of a selected port.

PVC Configuration

Displays the parameters of the PVC tunnels defined on the port.

Cisco Discovery Protocol

Displays Cisco Discovery Protocol (CDP) information for the port.

Bridge

Displays bridging information for the port.

FDDI

Displays FDDI port information.

Brouter

Displays brouter information for the port.

IGMP Filter

Displays filtering information for the port.

Filter Vendor

Displays filter vendor information for the port.

Filter Complex

Displays filter complex information for the port.

IGMP

Displays IGMP information for the port.

IGMP Multicast

Displays IGMP multicast information for the port.

Security

Displays security information for the port.

Broadcast Suppression

Displays the broadcast packet suppression threshold for the port.

Inter-Switch Link

Indicates whether an inter-switch link is acting as a trunk.

Managing the Console Port

Displays physical information for the console port.

Token Ring

Displays Token Ring configuration information for a Token Ring port.

Spanning Tree

Displays spanning tree configuration information for a Token Ring port.

Switching

Displays information about the switching and operating mode of a Token Ring port.

Source Routing

Displays source routing information for a Token Ring port.

Filtering

Displays the Filtering window, from which you can configure a protocol or MAC address filter for a Token Ring port.

VTP Pruning

Displays VTP information for a selected port, if it is configured as a VLAN trunk port.

Protocol Filtering

Sets up a filter for the port based on protocol type.

EtherChannel

Configures a physical port interface to become part of an EtherChannel, and displays the PAgP information for the port(s).

STP Root Guard

Disallows a switch port from becoming root port in STP.

UDLDP

Detects unidirectional links for devices that are incorrectly connected by uncoupled fiber strands.

Layer2 Protocol Tunneling

Displays Layer2 protocol tunneling settings.

Note: For information on how to read the LEDs on devices that support Virtual Switch functionality, click here.

# Interface

Port>Configure>Interface

To display interface information for a port, from the CiscoView Configure Port window, select Interface from the CATEGORY popup menu.

The CiscoView Configure Port window displays the following information:

Name (ifName)

Name of the interface.

Index (ifIndex)

Unique numerical index value for the interface.

Descriptor (ifDescr)

A textual string containing information about the interface.

Port Description (ifAlias)

This object is an 'alias' name for the interface as specified by a network manager.

Type (ifType)

The type of interface.

Speed (ifSpeed)

Estimate of current bandwidth in bits per second. If the value is constant or cannot be measured, nominal bandwidth is used.

MTU (ifMtu)

Size (in bytes) of the largest protocol data unit that can be sent or received on the interface.

Physical Address (ifPhysAddress)

If applicable, a physical address such as an Ethernet MAC address, a phone number, or a Packet Data Net address. Where not relevant, a 0-length octet string is provided.

Admin Status (ifAdminStatus)

Chosen state for the interface. The possible values are up or down.

For the dual port ATM cards (Ws-X 5157, 5158, 5167, 5168, 5156, 5166, 5161, 5162), the cadpStatAdminActivePhy MIB variable is used to do an active physical switch over.

Operational Status (ifOperStatus)

Current actual operating state of the interface.

Last Change (ifLastChange)

Value of the sysUpTime (in hundredths of seconds) when the interface entered its current operational state (none if the current state was entered before last initialization of management entity).

Up/Down Traps (ifLinkUpDownTrapEnable)

Whether a trap is sent to the addresses in the Trap Receiver table every time the port state changes from up to down. Cannot modify this field for ATM Ports.

Role Combination (ccopsIfRoleCombination)

This is the administratively-desired role combination which represents roles that are currently set by the administrator for a particular interface in the COPS domain. Only those role names exist in ccopsRoleTable can be used.

This is only available when the supervisor module has a feature card in place.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Capabilities

Port>Configure>Capabilities

Use this feature to configure or display the capabilities of a port, such as speed, security, broadcast suppression, flow control, etc. The values of each capability is concatenated with commas. For example, if a port can be configured with speed auto, 10M, or 100M, then ‘auto, 10M, 100M’ is displayed.

Speed (portCpbSpeed)

The port speed.

Duplex Mode (portCpbDuplex)

The duplex setting for the port; either half or full.

Trunk Encapsulation Type (portCpbTrunkEncapsulationType) - Catalyst 4000 devices
VLAN Encapsulation Type (portCpbTrunkEncapsulationType) - Catalyst 6000 devices

The port’s encapsulation type.

Trunking Mode (portCpbTrunkMode)

The port’s trunking mode; either on, off, desirable, auto, no, or negotiation.

Channelling (portCpbChannel)

The port channeling setting; either yes or no.

Broadcast Suppression (portCpbBroadcastSuppression)

The means by which broadcast suppression is achieved; example: by percentage.

Flow Control (portCpbFlowControl)

The port’s flow control method; either Receive Off, Receive On, Receive Desired, Send Off, Send On, or Send Desired.

Security (portCpbSecurity)

The port’s security setting; either supported or not supported.

Dynamic VLAN (portCpbVlanMembership)

The port’s VLAN membership status; either static or dynamic.

Port Fast (portCpbPortfast) - Catalyst 4000 devices
Portfast (portCpbPortfast) - Catalyst 6000 devices

The port’s Portfast setting; either supported or not supported.

Udld (portCpbUdld) - Catalyst 4000 devices

Indicates whether the port is, or is not, capable of UDLD (UniDirectional Link Detection).

Inline Power (portCpbInlinePower) - Catalyst 4000 devices

Indicates the inline power capability of a port.

Voice VLAN (portCpbAuxiliaryVlan) - Catalyst 4000 devices

Indicates the voice VLAN capability of a port.

Span (portCpbSpan) - Catalyst 4000 devices

Indicates the span capability of a port.

802.1x (portCpbDot1x)

Indicates whether a port supports 802.1x.

Auxiliary VLAN (portCpbAuxiliaryVlan) - Catalyst 6000 devices

Indicates the voice VLAN capability of a port.

IGMP Filter (portCpbIgmpFilter) - Catalyst 4000 devices

Indicates whether a port supports IGMP filtering.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Cisco Discovery Protocol

Port>Configure>Cisco Discovery Protocol

To display Cisco Discovery Protocol (CDP) information for a port, from the CiscoView Configure Port window, select Cisco Discovery Protocol from the CATEGORY popup menu.

The CiscoView Configure Port window displays the following information:

Enabled (cdpInterfaceEnable)

Whether the Cisco Discovery Protocol is running on this interface. The default value is enabled.

Message Interval (cdpInterfaceMessageInterval)

Interval at which CDP messages are generated on this interface. The default is 60 seconds, and the possible values are from 5 to 900.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Bridge

Port>Configure>Bridge

The following information is displayed in the Bridge dialog box:

Bridge Instance Number (dot1dStpInstance)

- In PVST+ mode, the bridge instance number is the VLAN number this port belongs to. The default value of this object is displayed as the native VLAN of this port.
  Note: There can be more than one valid VLAN for a trunk port, and bridge details can be obtained for each of these VLANs.

- In MISTP and MST mode, the bridge instance number is the MISTP/MST instance number of the native VLAN this port belongs to. For MISTP, the default value is the MISTP instance number mapped to this port's native VLAN. For MST, the default value is zero.
  Note: Since a trunk port can have more than one valid VLAN, multiple bridge instances are also valid.

Click Bridge Details to launch the Bridge Details dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# FDDI

Port>Configure>FDDI

To display or change information for an FDDI port, from the CiscoView Configure Port window, select FDDI from the CATEGORY popup menu.

The following information is displayed:

PC Type (fddimibPORTMyType)

Port Connector (PC) type. The possible values are a, b, s, m, or none.

Neighbor PC Type (fddimibPORTNeighborType)

Type of the remote port, as determined in Physical Connection Management (PCM).

Connect State (fddimibPORTConnectState)

Connect state of the port. The possible values are disabled, connecting, standby, or active.

PCM State (fddimibPORTPCMState)

Detailed state of the Port Connect state machine.

PMD Class (fddimibPORTPMDClass)

Type of physical medium for the port. The possible values are multimode, single-mode1, single-mode2, sonet, low-cost-fiber, twisted-pair, unknown, or unspecified.

Ler Cutoff (fddimibPORTLerCutoff)

Link Error Rate at which a link will be broken. The value is an integer from 4 through 15.

Ler Alarm (fddimibPORTLerAlarm)

Link Error Rate threshold at which an alarm will be generated. The value is an integer from 4 through 15.

Ler Flag (fddimibPORTLerFlag)

Condition when the Link Error Rate estimate is less than or equal to the Alarm level. The possible values are true or false.

BS Flag (fddimibPORTBSFlag)

Value of the flag indicating the break state. The possible values are true or false.

PC Withold (fddimibPORTPCWithold)

Value of PC_Withold. The possible values are none, m-m, other, incompatible, and path not available.

MAC Placement (fddimibPORTMACPlacement)

MAC, if any, whose transit path exits the station via this port. The value is an integer from 0 through 7.

Action (fddimibPORTAction)

Action request for the port. The possible values are other, maintPORT, enablePORT, disablePORT, startPORT, and stopPORT.

# Brouter

Port>Configure>Brouter

To display or change brouter information for a port, select Brouter from the CATEGORY popup menu.

The following information is displayed:

Bridge VLAN (brouterPortBridgeVlan)

Bridge VLAN to which this port belongs. Possible values are 1 to 1024.

Route Group (brouterPortRouteGroup)

IP route group to which this port belongs. For the Catalyst 5000, 5500, 2900 or CPW 2200, possible values are from 1 through 255; for the Catalyst 1200 and 1600, possible values are 1 to 10.

IP Address (brouterPortIpAddr)

IP address of the port.

IP Helpers (brouterPortIpHelpers)

Octet string indicating the other VLANs to which broadcasts received on this port will be forwarded.

Net Mask (brouterPortNetMask)

Subnet mask of the port.

Broadcast Address (brouterPortBroadcast)

Port’s broadcast address.

Broadcast Throttle (filterPortBroadcastThrottle)

Maximum number of broadcast packets per second allowed on this port. Packets in excess of this limit are dropped. For FDDI, possible values are 1 through 150,000; for Ethernet, possible values are 1 through 15,000. The value 0 indicates that an unlimited number of broadcast packets are allowed.

# IGMP Filter

Port>Configure>IGMP Filter

To display or change filtering information from the CiscoView Configure Port window, select IGMP Filter from the CATEGORY popup menu:

The following information is displayed:

Value (filterProtocolValue)

16-bit protocol value. A packet is dropped if the packet’s type field or DSAP/SSAP field equals this value (a match) and the value deny is specified in the filter protocol table. The packet is dropped also if a match doesn’t occur and at least one protocol type filter has the value permit.

Type (filterProtocolType)

Allows you to add or remove entries from the filter protocol table. To add a new entry to the filter protocol table, set this field to deny or permit for a module, port, and protocol not already in the table. To remove an entry, set this value to invalid.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Filter Complex

Port>Configure>Filter Complex

To display Filter Complex information from the CiscoView Configure window, select Filter Complex from the CATEGORY popup menu:

The following information is displayed:

Index (filterTestIndex)

Index value that uniquely identifies a test for a particular port.

Offset (filterTestOffset)

Byte offset value. This value must be a 32-bit word aligned offset (for example, 0, 4, 8).

Value (filterTestValue)

32-bit value that is compared with the packet location by the value of the Filter Test Offset field.

Mask (filterTestMask)

32-bit value to be bitwise ANDed with the packet location specified by the offset value (filterTestOffset) before being compared to the Value field (filterTestValue).

Complex Expression (filterPortComplex)

Complex expression indicating test results based on the filterTestIndex value. The expression uses the following numbers and symbols:

Numbers 1 through 8

Logical operators & (and), | (or), ! (not)

Parentheses

The following is an example of a complex expression:

( ( 1 & 2 ) | ! 3 )

If the conditions in this filter expression match a packet, the packet is dropped.

# IGMP

Port>Configure>IGMP

To display or change IGMP information for a port from the CiscoView Configure Port window, select IGMP from the CATEGORY popup menu.

The following information is displayed:

Status (igmpCondFilterIfStatus)

Whether the presence of an IP multicast router on this interface is determined statically or dynamically. The values routerPresent (indicating that the router is present) or noRouter (indicating that the router is not present) indicate that this information is statically determined. The value dynamic indicates that the information is dynamically or automatically determined.

Router (igmpCondFilterIfRouter)

Whether an IP multicast router is present on this interface.

# IGMP Multicast

Port>Configure>IGMP Multicast

To display or change IGMP multicast information from the CiscoView Configure Port window, select IGMP Multicast from the CATEGORY popup menu:

The following information is displayed:

Address (igmpCondFilterMcastAddress)

IP address of the IP multicast group to which this port belongs.

Member (igmpCondFilterMcastMember)

Whether there is currently a member of the IP multicast group on this interface.

In Pkts (igmpCondFilterMcastInPkts)

Number of IP multicast datagrams destined for this multicast address that have been received on this interface.

Out Pkts (igmpCondFilterMcastOutPkts)

Number of IP multicast datagrams for this multicast address that have been forwarded to this interface.

# Security

Port>Configure>Security

The Security dialog box displays port security parameters for this port.

Port Security Administrative Status (portSecurityAdminStatus)

Set this value to enabled to enable port security on this port.

Note: This variable cannot be enabled when the sysHighAvailabilityEnable is set to true.

Port Security Operational Status (portSecurityOperStatus)

Whether port security is currently enabled on this port.

Port Security Last Source Address (portSecurityLastSrcAddr)

Last source MAC address in an incoming packet seen on this port.

Port Security Secure Source Address (portSecuritySecureSrcAddr)

Address to be compared with incoming source addresses when port security is enabled on this port. Set this value to 0.0.0.0 to put the port in learning mode to make the next source address received the Secure Source Address.

Security Policy (portSecurityViolationPolicy)

If the value of this object is "restrict(1)", the port drops all packets with unsecured addresses. If the value of this object is "shutdown(2)", the port is forced to shut down for any violation of security.

Supported only for Cat6000 series devices, version 5.4 or higher.

Security Aging Time (portSecurityAgingTime)

The interval in which the port is secured. After the expiration of the time, the corresponding portSecureSrcAddr or portSecurityExtSecureSrcAddr will be removed from the secure address list. The value of this object can be 0, or any number from 10 to 1440. If the value of this object is 0, the aging mechanism is disabled.

Security Shutdown Time out (portSecurityShutdownTimeOut)

The interval in which the port is shutdown due to the violation of security. After the expiration of the time, all the security configuration of this port is re-installed and the port is enabled. The value of this object can be 0, or any number from 10 to 1440. If the value of this object is 0, the port is shutdown permanently.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Broadcast Suppression

Port>Configure>Broadcast Suppression

The Broadcast Suppression dialog box displays the broadcast packet suppression threshold for the port.

Broadcast Suppression - PPS

- Broadcast Throttle (cpscUpperThreshold)

  The maximum number of broadcast packets per second allowed on this port.

  Indicates the upper threshold of total traffic that can be handled on a given interface. When this threshold is exceeded, a storm event is declared and storm control action is taken.

  The value represents the traffic as a percentage of total bandwidth of the interface, in units of 0.01%.

- Broadcast Discards (cpscSuppressedPacket)

  Total number of packets that have been suppressed on a given interface by a storm control filter action.

Broadcast Suppression - %

- Broadcast Threshold (cpscUpperThreshold)

  Indicates the integer part of the maximum percentage of available bandwidth allowed for incoming broadcast traffic on this port.

  Displayed for version 5.4 or higher.

- Broadcast Threshold Fraction (cpscUpperThreshold)

  Indicates the fraction part of the maximum percentage of available bandwidth allowed for incoming broadcast traffic on this port.

Click Apply to make your changes take effect, or click Cancel to close the dialog box without making any changes. Click Print to print the contents of the dialog box.

Note: For information on how to read the LEDs on devices that support Virtual Switch functionality, click here.

# Inter-Switch Link

Port > Configure > Inter-Switch Link

The following information is displayed:

Trunk Admin Status (vlanTrunkPortDynamicState)

Allows you to specify whether an Inter-Switch Link is a trunk. This object has five possible values:

> on—The link is permanently set to be a trunk.

> off—The link will never be a trunk.

> desirable—The link will initiate any negotiation necessary to become a trunk. However, it will not become a trunk unless it first receives confirmation from the switch at the far end of the link.

> auto—Before the link can become a trunk, the switch at the far end of the link is required to either start negotiations or start sending encapsulated packets.

> onNoNegotiate—The link is permanently set to be a trunk. Also, no negotiation takes place with the switch at the far end of the link to ensure consistent operation.

Note the following:

> This object does not appear for ATM ports, on which trunking is enabled by default.

> If the port does not support negotiation or its corresponding vlanTrunkPortEncapsulationType value is set to negotiate, you will not be able to set this object to onNoNegotiate.

Trunk Oper Status (vlanTrunkPortDynamicStatus)

When the value of this object is trunking, it indicates that this Inter-Switch Link is acting as a trunk.

Trunk Allowed VLANs (vlanTrunkPortVlansEnabled)

Indicates the VLANs on which the local system can send and receive frames. This object consists of a string of octets containing one bit per VLAN in the management domain on this trunk.

> If the bit corresponding to a VLAN is set to 1, then the local system is enabled to send and receive frames on that VLAN.

> If the bit corresponding to a VLAN is set to 0, then the local system cannot send or receive frames on that VLAN.

# Physical

Configure>Console>Physical

To display interface information for a console port from the CiscoView Configure Port window, select Physical from the CATEGORY popup menu.

The CiscoView Configure Port window displays the following information:

RS232 Port Speed (sysBaudRate)

Baud rate in bits per second of the RS232 field. The possible values are 600, 1200, 2400, 4800, 9600, and 38400.

Modem (sysEnableModem)

Whether the RS-232 port modem control lines are enabled or disabled.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Token Ring

Port>Configure>Token Ring

To display or change information for a Token Ring port, from the CiscoView Configure Port window, select Token Ring from the CATEGORY popup menu.

The CiscoView Configure Port window displays the following information:

Result of Last Enter Ring (dot5RingOpenStatus)

Status of the port the last time it attempted to enter the ring. Possible values are open and failure.

Error Report (dot5RingStatus)

Status of the ring to which this port is connected. Possible status values include normal, single, or beaconing.

Open/Close Info (dot5RingState)

Current interface state with respect to entering or leaving the ring. Possible values are opened, closed, opening, closing, open failure, and ring failure.

Speed (dot5RingSpeed)

Speed of the ring to which this port is connected. Possible values are 4 Mbps and 16 Mbps.

Upstream Neighbor MAC Addr (dot5UpStream)

MAC address of the nearest active upstream neighbor.

Active Monitor (dot5ActMonParticipate)

Whether this port will participate in the active monitor selection process.

Time Last Beacon Sent (dot5LastBeaconSent)

Date and time a beacon frame was last transmitted on this interface.

Click Apply to make your changes take effect, or click Cancel to close the dialog box without making any changes. Click Print to print the contents of the dialog box.

# Spanning Tree

Port>Configure>Spanning Tree

To display or change spanning tree information for a Token Ring port, from the CiscoView Configure Port window, select Spanning Tree from the CATEGORY popup menu.

The CiscoView Configure Port window displays the following information:

Priority (dot1dStpPortPriority)

Number that indicates the priority of the port. Possible values are 0 through 255.

State (dot1dStpPortState)

Current state of the port. The possible values are disabled, blocking, listening, learning, forwarding, or broken.

Cost (dot1dStpPortPathCost)

Contribution to the cost of paths through this port leading to the root. Possible values are 1 through 65535.

Designated Root (dot1dStpPortDesignatedRoot)

Unique identifier of the root in the bridge protocol data units transmitted by the designated bridge for this port's segment.

Designated Cost (dot1dStpPortDesignatedCost)

Path cost of the designated port of the segment connected to this port.

Designated Bridge (dot1dStpPortDesignatedBridge)

Identifier of the bridge that this port considers to be designated for this port’s segment.

Designated Port (dot1dStpPortDesignatedPort)

Identifier of the port on the designated bridge for this port segment.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Switching

Port>Configure>Switching

To display or change switching information for a Token Ring port, from the CiscoView Configure Port window, select Switching from the CATEGORY popup menu.

The CiscoView Configure Port window displays the following information:

Port Mode (tokenRingPortMode)

Operating mode to be used at the next reset of the port. Possible values are auto, full-duplex-concentrator, full-duplex-station, half-duplex-concentrator, half-duplex-station, ringin-ringout, and passive. The default is auto. Only full-duplex and half-duplex modes can be automatically detected. You cannot specify an operating mode of passive or unknown. The passive mode is displayed if the port has been selected as a passive monitoring port.

Token Ring AC-bits (tokenRingPortSetACbits)

Whether the address recognized (A) bit and the frame copied (C) bit should be set unconditionally when a port forwards certain logical link control frames. Possible values are enabled and disabled. The default is disabled. If this parameter is set to disabled, the setting of these bits will be set based upon the frame type.

Early Token Release (tokenRingPortEarlyTokenRel)

Whether the MAC of individual ports can release the token that they hold, even before the frame that they sent out on the ring cycles back to them. Possible values are enabled or disabled.

Highest Frame Priority (tokenRingPortPriorityThresh)

Highest Token Ring frame priority in the Frame Control field of the frame that the switch should place in the low-priority transmit queue. Possible values are 0 through 7. The default is 3.

Minimum Transmit Token Priority (tokenRingPortPriorityMinXmit)

Minimum reservation priority used when requesting a token on a busy ring. Possible values are 0 through 6. The default is 4.

Config Loss Threshold (tokenRingPortCfgLossThresh)

Value used to control the number of configuration losses that can occur within the configuration loss sampling interval. Configuration loss occurs when a port completes a connection, allows data traffic to flow, and subsequently closes. When the threshold is exceeded, the port is disabled and must be enabled via this panel or an SNMP manager. Possible values are 1 through 100. The default is 8.

Config Loss Sampling Interval (tokenRingPortCfgLossInterval)

Sampling period (in minutes) during which the number of configuration losses is measured. Possible values are 1 through 60. The default is 10.

Click Apply to make your changes take effect, or click Cancel to close the dialog box without making any changes. Click Print to print the contents of the dialog box.

# Source Routing

Port>Configure>Source Routing

To display or change Source Routing information for a Token Ring port, from the CiscoView Configure Port window, select Source Routing from the CATEGORY popup menu.

The CiscoView Configure Port window displays the following information:

Hop Count (dot1dSrPortHopCount)

Maximum number of routing descriptors allowed in explorer frames. Possible values are 1 through 14. The default is 7.

Local Segment (dot1dSrPortLocalSegment)

Number that uniquely identifies the segment to which this port is connected. Current source routing protocols limit this value to between 0 and 4095. (Zero is used by some management applications for special test cases.) The value 65535 signifies that no segment number is assigned to this port.

Bridge Number (dot1dSrPortBridgeNum)

Number that uniquely identifies a bridge when more than one bridge is used to span the same two segments. Current source-routing protocols limit this value to between 0 and 15. A value of 65535 signifies that no bridge number is assigned to this bridge.

Largest Frame (dot1dSrPortLargestFrame)

Maximum size of the INFO field (Logical Link Control (LLC) and above) that this port can send or receive. It does not include any MAC-level (framing) octets.

STE Span Mode (dot1dSrPortSTESpanMode)

Action the port will perform when presented with an STE frame.

The following values can be set for STE Span Mode:

disabled—When you set STE Span Mode to disabled, the port will not accept or send STE packets. Any STE packets received will be silently discarded.

forced—When you set STE Span Mode to forced, the port will always accept and propagate STE frames. This allows a manually configured spanning tree to be configured for this class of packet. Note that unlike transparent bridging, this is not catastrophic to the network if there are loops.

auto-span—The auto-span value can be returned only by a bridge that implements the Spanning -Tree Protocol and has use of the protocol enabled on this port.

Click Apply to make your changes take effect, or click Cancel to close the dialog box without making any changes. Click Print to print the contents of the dialog box.

# VTP Pruning

Port>Configure>VTP Pruning

The VTP Pruning dialog box displays VTP information for this port, if it is configured as a VLAN trunk port.

Desired VLAN Encapsulation Type (vlanTrunkPortEncapsulationType)

Type of VLAN encapsulation to use on this trunk port: ISL, 802.10, LANE, 802.1Q, or negotiate (which means that the protocol is not predetermined and the software will negotiate the encapsulation type).

VTP Management Domain Index (vlanTrunkPortEncapsulationOperType)

Index value assigned to this management domain.

VTP Join Messages Received (vlanTrunkPortInJoins)

Number of VTP join messages received on this trunk port.

VTP Join Messages Transmitted (vlanTrunkPortOutJoins)

Number of VTP join messages sent on this trunk port.

Unsupported VTP Messages Received (vlanTrunkPortOldAdverts)

Number of VTP advertisement messages received on this port indicating that the sender does not support VLAN pruning.

Pruning Eligible VLANs (vlanTrunkPortVlansPruningEligible)

VLANs in this management domain that are eligible for pruning. Accepted values are 2 through 1,000.

Allowed VLANs (vlanTrunkPortVlansEnabled)

VLANs in this management domain that are enabled. On Catalyst 4000 devices running Catalyst OS version 7.2 or later and Catalyst 6000 devices running Catalyst OS version 6.1 or later, accepted values are 1 through 1,005 and 1,025 through 4,094.

Pruning Requested VLANs (vlanTrunkPortVlansXmitJoined)

VLANs in this management domain that are being forwarded (not pruned) on this trunk port. Values range from 1 through 1,005.

Active VLANs (vlanTrunkPortVlansRcvJoined)

VLANs in this management domain that are sending joins on this trunk port. Values range from 1 through 1,005.

Trunking Administrative Status (vlanTrunkPortDynamicState)

The administrative state of the trunk port (defined during EtherChannel configuration): On, Off, Desirable, Auto, or Negotiate.

Trunking Operational Status (vlanTrunkPortDynamicStatus)

The current operational status of the trunk port: trunking or not trunking.

Click OK to continue. Click Apply to save the changes in the dialog box. Click Cancel to close the dialog box. Click Refresh to update the contents of the dialog box. Click Print to print the contents of the dialog box. Click Help to access online help.

# Protocol Filtering

Port>Configure>Protocol Filtering

Use the Protocol Filtering dialog box to configure a filter for the selected port based on protocol type. There are three protocol types that the user can filter out: IP, IPX, and grpProtocols.

Protocol to be Filtered (cseProtocolFilterPortProtocol)

The protocol to be filtered for the selected port.

Filter Admin Status (cseProtocolFilterPortAdminStatus)

Indicates the administrative status of protocol membership of the port: on (1), off (2), or auto (3).

Filter Operational Status (cseProtocolFilterPortOperStatus)

Indicates the status of protocol filtering for the selected port: on (1), off (2), or notSupported (3).

Click Apply to make your changes take effect. Click Cancel to close the dialog box. Click Print to print the contents of the dialog box.

# cvcat_conf_port_vlanmembership$ Port VLAN MembershipK Port VLAN Membership+ CVCAT

The type of VLAN membership configuration; static or dynamic.

The current status of the VLAN port: inactive, active, or shutdown.

The port VLAN number.

# EtherChannel PAgP

Port>Configure>EtherChannel>PAgP

Use this feature to display information about the PagP (Port Aggregate Protocol) for the EtherChannel ports configured on the device. Those ports with a setting of off(1) or manual(2) in pagpEthcOperationMode will not have information displayed in this category.

Operation Mode (pagpOperationMode)

The operational mode of the Port Aggregation Portocol (PAgP) for this interface.

PAgP State (pagpPortState)

The state of the Port Aggregation Portocol (PAgP) for this interface.

Last Changed On (pagpLastStateChanged)

The time at which the pagpPortState last changed.

Time-Out Frequency (pagpHelloFrequency)

The time-out frequency for the PagP packet measured as either fast (1) or slow (2). When the time-out frequency is fast (1), then this device uses a 3.5 second timer to time-out receipt of a PagP packet. When the time-out frequency is slow (2), then this device uses a 105-second timer.

Algorithm (pagpDistributionAlgorithm)

The name of the method used on this interface’s aggregation-port (agport) to distribute outgoing data frames among its component interfaces. The typical names are ‘Source MAC address,’ ‘Source and Destination Mac addresses,’ or ‘IP Flow: Source, Destination, Protocol type.’

Number of Neighbors (pagpPartnerCount)

The number of other devices known to be transmitting PagP packets to this device on this physical interface.

Neighbor’s MAC Address (pagpPartnerDeviceId)

MAC address of the neighbor.

Neighbor’s Learning Method (pagpPartnerLearnMethod)

The value of the neighbor’s pagpLearnMethod object.

Neighbor’s pagpPortPriority (pagpPartnerPortPriority)

The value of the neighbor’s pgapPortPriority object.

Neighbor’s ifIndex (pagpPartnerIfIndex)

The value of the neighbor’s ifIndex object.

Neighbor’s pagpOperGroupCapability (pagpPartnerGroupCapability)

The value of the neighbor’s pagpOperGroupCapability object.

Neighbor’s pagpGroupIfIndex (pagpPartnerGroupIfIndex)

The value of the neighbor’s pagpGroupIfIndex object.

Neighbor’s sysName (pagpPartnerDeviceName)

The value of the neighbor’s sysName object.

Neighbor’s ifName (pagpPartnerPortName)

The value of the neighbor’s ifName object.

Agport’s MAC Address (pagpPartnerAgportMACAddress)

The MAC Address obtained from the pAgP packet last received on this interface.

Click Apply to make your changes take effect, or click Cancel to close the dialog box without making any changes. Click Print to print the contents of the dialog box.

# UDLDP

Port>Configure>UDLDP

This feature can be used to detect unidirectional links for devices that are incorrectly connected by uncoupled fiber strands.

UDLDP Enable (cudldpInterfaceEnable)

Use cudldpInterfaceEnable to set UDLDP enable to true or false. If cudldpGlobalEnable is set to false, then this variable has no effect.

UDLDP Status (cudldpInterfaceOperStatus)

UDLDP indicates the status of the link:

- Shutdown – An Uni-Direction link has been detected and the port has been disabled.

- Indeterminant – Uni-Direction Link Detection protocol has not collected enough information to determine if the link is bidirectional or not.

- Bidirectional – A bidirectional link has been detected.

- Not-applicable – Uni-Direction Link Detection Protocol is disabled.