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CTRON-ETHERNET-PARAMETERS-MIB by vendor Enterasys Networks Inc

CTRON-ETHERNET-PARAMETERS-MIB file content

The SNMP protocol is used to for conveying information and commands between agents and managing entities. SNMP uses the User Datagram Protocol (UDP) as the transport protocol for passing data between managers and agents. The reasons for using UDP for SNMP are, firstly it has low overheads in comparison to TCP, which uses a 3-way hand shake for connection. Secondly, in congested networks, SNMP over TCP is a bad idea because TCP in order to maintain reliability will flood the network with retransmissions.

Management information (MIB) is represented as a collection of managed objects. These objects together form a virtual information base called MIB. An agent may implement many MIBs, but all agents must implement a particular MIB called MIB-II [16]. This standard defines variables for things such as interface statistics (interface speeds, MTU, octets sent, octets received, etc.) as well as various other things pertaining to the system itself (system location, system contact, etc.). The main goal of MIB-II is to provide general TCP/IP management information.

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Vendor: Enterasys Networks Inc
Mib: CTRON-ETHERNET-PARAMETERS-MIB  [download]  [view objects]
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CTRON-ETHERNET-PARAMETERS-MIB DEFINITIONS ::= BEGIN

--  ctron-ethernet-parameters.txt
--  Revision: 01.00.04
--  Part Number:
--  Date: November 11, 1998

--  Cabletron Systems, Inc.
--  35 Industrial Way, P.O. Box 5005
--  Rochester, NH 03867-0505
--  (603) 332-9400
--  support@ctron.com

--  This module provides authoritative definitions for Cabletron's
--  enterprise-specific Ethernet Parameters MIB.
--
--  This module will be extended, as needed.

--  Cabletron Systems reserves the right to make changes in
--  specification and other information contained in this document
--  without prior notice.  The reader should consult Cabletron Systems
--  to determine whether any such changes have been made.
--
--  In no event shall Cabletron Systems be liable for any incidental,
--  indirect, special, or consequential damages whatsoever (including
--  but not limited to lost profits) arising out of or related to this
--  document or the information contained in it, even if Cabletron
--  Systems has been advised of, known, or should have known, the
--  possibility of such damages.
--
--  Cabletron grants vendors, end-users, and other interested parties
--  a non-exclusive license to use this Specification in connection
--  with the management of Cabletron products.

--  Copyright November 1998 Cabletron Systems

IMPORTS

      OBJECT-TYPE
            FROM RFC-1212
      Counter
            FROM RFC1155-SMI
      ctEthernetCtlParameters
            FROM CTRON-MIB-NAMES
      ctIfPortIfNumber, ctIfPortPortNumber
            FROM CTIF-EXT-MIB;

-- The ctEthernetCtlParameters MIB is used to manage Cabletron interfaces 
-- that comply to IEEE Std 802.3, 1998 Edition.  This MIB supercedes the 
-- ctFastEthernet MIB.

ctAutoNegCtl  OBJECT IDENTIFIER ::= { ctEthernetCtlParameters 1 }

-- The ctAutoNegCtl group provides configuration for Cabletron 
-- interfaces that comply to IEEE Std 802.3, 1998 Edition.
--
-- The implementation of this group is MANDATORY.

ctAutoNegCtlTable  OBJECT-TYPE
     SYNTAX SEQUENCE OF CtAutoNegCtlEntry
     ACCESS not-accessible
     STATUS mandatory
     DESCRIPTION
       "Provides a list of definitions and control objects over any 10BASE-T,
        100BASE-TX, or 1000BASE-X Cabletron interface that supports 
        auto-negotiation as described by the aforementioned standards." 
     ::= { ctAutoNegCtl 1 }


ctAutoNegCtlEntry  OBJECT-TYPE
    SYNTAX CtAutoNegCtlEntry
    ACCESS not-accessible
    STATUS mandatory
    DESCRIPTION
      "Defines a particular entry containing objects pertaining to
       definition and control over interfaces supporting Auto-Negotiation."
    INDEX { ctIfPortIfNumber, ctIfPortPortNumber }
    ::= { ctAutoNegCtlTable 1 }

CtAutoNegCtlEntry ::= SEQUENCE {
      ctAutoNegAdminStatus
            INTEGER,
      ctAutoNegRemoteSignalling
            INTEGER,
      ctAutoNegAutoConfig
            INTEGER,
      ctAutoNegLocalTechnologyAbility        
            INTEGER, 
      ctAutoNegAdvertisedTechnologyAbility       
            INTEGER,
      ctAutoNegReceivedTechnologyAbility            
            INTEGER
}

ctAutoNegAdminStatus OBJECT-TYPE
    SYNTAX INTEGER {
      enable(1),
      disable(2)
      }
    ACCESS read-write
    STATUS mandatory
    DESCRIPTION
      "This object controls whether Auto-Negotiation is enabled 
       for the specified port.  If Auto-Negotiation is disabled the port will
       revert to the speed, duplex and flow control settings specified by
       their associated leaves in the ctEtherManualConfig and
       ctFlowControl groups."
    REFERENCE
      "IEEE Std 802.3, 1998 Edition 30.6.1.1.2"
    DEFVAL { enable }
    ::= { ctAutoNegCtlEntry 1 }

ctAutoNegRemoteSignalling OBJECT-TYPE
    SYNTAX INTEGER {
      detected(1),
      notdetected(2)
      }
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This object indicates whether the remote end of the link is operating
       Auto-Negotiation signalling or not."
    REFERENCE
      "IEEE Std 802.3, 1998 Edition 30.6.1.1.3"
    ::= { ctAutoNegCtlEntry 2 }

ctAutoNegAutoConfig OBJECT-TYPE
    SYNTAX INTEGER {
      other(1),
      configuring(2),
      complete(3),
      disabled(4),
      paralleldetectfailed(5)
      }
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This object indicates whether Auto-Negotiation signalling is in
       progress or has completed."
    REFERENCE
      "IEEE Std 802.3, 1998 Edition 30.6.1.1.4"
    ::= { ctAutoNegCtlEntry 3 }

ctAutoNegLocalTechnologyAbility OBJECT-TYPE
    SYNTAX INTEGER 
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This indicates the technology ability of the local hardware.
    
       The value is a sum.  This sum initially takes the value zero. Then, for
       each technology, T, that the port supports, 2 raised to (T - 1) is added 
       to the sum.  For example, a port that supports 1000BASE-TFD (T = 18) and 
       1000BASE-T (T = 17) would return a value of 196608
       ((2 ^ (18 - 1)) + (2 ^ (17 - 1))).

       For ports supporting Auto-Negotiation, values should be calculated
       as follows:

          T   Technology           Description
         --   -----------     ------------------------------------------------
          1   global          Reserved for future use.
          2   other           None of the following.
          3   unknown         Initializing, true state or type not yet known
          4   10BASE-T        10BASE-T Half Duplex
          5   10BASE-TFD      10BASE-T Full Duplex
          6   100BASE-T4      100BASE-T4 Half Duplex
          7   100BASE-TX      100BASE-TX Half Duplex
          8   100BASE-TXFD    100BASE-TX Full Duplex
          9   FDX PAUSE       Full Duplex Flow Control
         10   FDX APAUSE      Full Duplex Asymmetric Flow Control
         11   FDX SPAUSE      Full Duplex Symmetric Flow Control
         12   FDX BPAUSE      Full Duplex Asymmetric and Symmetric Flow Control
         13   100BASE-T2      100BASE-T2 Half Duplex
         14   100BASE-T2FD    100BASE-T2 Full Duplex
         15   1000BASE-X      1000BASE-X Half Duplex
         16   1000BASE-XFD    1000BASE-X Full Duplex
         17   1000BASE-T      1000BASE-T Half Duplex
         18   1000BASE-TFD    1000BASE-T Full Duplex
         19   Rem Fault1      Remote Fault Bit 1
         20   Rem Fault2      Remote Fault Bit 2 
         21   ISO Ethernet    IEEE Std 802.9 ISLAN-16T
      "
    REFERENCE
      "IEEE Std 802.3, 1998 Edition 30.6.1.1.5"
    ::= { ctAutoNegCtlEntry 4 }

ctAutoNegAdvertisedTechnologyAbility OBJECT-TYPE
    SYNTAX INTEGER 
    ACCESS read-write
    STATUS mandatory
    DESCRIPTION
      "Indicates the advertised ability of the local hardware, but only
       becomes active on ports that have auto-negotiation enabled.  

       The value is a sum.  This sum initially takes the value zero. Then, for
       each technology, T, that the port is advertising, 2 raised to (T - 1)
       is added to the sum.  For example, a port that advertises 1000BASE-TFD
       (T = 18) and 1000BASE-T (T = 17) would return a value of 196608 
       ((2 ^ (18 - 1)) + (2 ^ (17 - 1))). 
       
       Values for T are limited to technologies supported by the hardware as
       specified by ctAutoNegLocalTechnologyAbility.  For ports supporting 
       Auto-Negotiation, values should be calculated as follows:

          T   Technology           Description
         --   -----------     ------------------------------------------------
          1   global          Reserved for future use.
          2   other           None of the following.
          3   unknown         Initializing, true state or type not yet known
          4   10BASE-T        10BASE-T Half Duplex
          5   10BASE-TFD      10BASE-T Full Duplex
          6   100BASE-T4      100BASE-T4 Half Duplex
          7   100BASE-TX      100BASE-TX Half Duplex
          8   100BASE-TXFD    100BASE-TX Full Duplex
          9   FDX PAUSE       Full Duplex Flow Control
         10   FDX APAUSE      Full Duplex Asymmetric Flow Control
         11   FDX SPAUSE      Full Duplex Symmetric Flow Control
         12   FDX BPAUSE      Full Duplex Asymmetric and Symmetric Flow Control
         13   100BASE-T2      100BASE-T2 Half Duplex
         14   100BASE-T2FD    100BASE-T2 Full Duplex
         15   1000BASE-X      1000BASE-X Half Duplex
         16   1000BASE-XFD    1000BASE-X Full Duplex
         17   1000BASE-T      1000BASE-T Half Duplex
         18   1000BASE-TFD    1000BASE-T Full Duplex
         19   Rem Fault1      Remote Fault Bit 1
         20   Rem Fault2      Remote Fault Bit 2 
         21   ISO Ethernet    IEEE Std 802.9 ISLAN-16T

       A successful set operation will result in immediate link re-negotiation
       if Auto-Negotiation is enabled on this port, as specified by
       ctAutoNegAdminStatus.  A set of this object to a value containing bits 
       that are not supported by the hardware will be successful, but, the port
       will only advertise values which are the logical AND of the set value and
       ctAutoNegLocalTechnologyAbility.

       Note: this re-negotiation will in every case cause temporary link loss
       during the link re-negotiation.  If set to a value that is incompatible
       with ctAutoNegLocalTechnologyAbility, link negotiation will not
       be successful and will cause permanent link loss."
    REFERENCE
      "IEEE Std 802.3, 1998 Edition 30.6.1.1.6"
    ::= { ctAutoNegCtlEntry 5 }

ctAutoNegReceivedTechnologyAbility OBJECT-TYPE
    SYNTAX INTEGER 
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "Indicates the advertised ability of the remote hardware, or link
       partner.  

       The value is a sum.  This sum initially takes the value zero. Then, for
       each technology, T, that the link partner supports, 2 raised to (T - 1)
       is added to the sum.  For example, a link partner advertising 
       1000BASE-TFD (T = 18) and 1000BASE-T (T = 17) would return a value 
       of 196608 ((2 ^ (18 - 1)) + (2 ^ (17 - 1))).

       For ports supporting Auto-Negotiation, values should be calculated
       as follows:

          T   Technology           Description
         --   -----------     ------------------------------------------------
          1   global          Reserved for future use.
          2   other           None of the following.
          3   unknown         Initializing, true state or type not yet known
          4   10BASE-T        10BASE-T Half Duplex
          5   10BASE-TFD      10BASE-T Full Duplex
          6   100BASE-T4      100BASE-T4 Half Duplex
          7   100BASE-TX      100BASE-TX Half Duplex
          8   100BASE-TXFD    100BASE-TX Full Duplex
          9   FDX PAUSE       Full Duplex Flow Control
         10   FDX APAUSE      Full Duplex Asymmetric Flow Control
         11   FDX SPAUSE      Full Duplex Symmetric Flow Control
         12   FDX BPAUSE      Full Duplex Asymmetric and Symmetric Flow Control
         13   100BASE-T2      100BASE-T2 Half Duplex
         14   100BASE-T2FD    100BASE-T2 Full Duplex
         15   1000BASE-X      1000BASE-X Half Duplex
         16   1000BASE-XFD    1000BASE-X Full Duplex
         17   1000BASE-T      1000BASE-T Half Duplex
         18   1000BASE-TFD    1000BASE-T Full Duplex
         19   Rem Fault1      Remote Fault Bit 1
         20   Rem Fault2      Remote Fault Bit 2 
         21   ISO Ethernet    IEEE Std 802.9 ISLAN-16T
      "
    REFERENCE
      "IEEE Std 802.3, 1998 Edition 30.6.1.1.7"
    ::= { ctAutoNegCtlEntry 6 }
   
ctFlowControl  OBJECT IDENTIFIER ::= { ctEthernetCtlParameters 2 }
-- The ctFlowCtl group provides configuration and statistics for
-- Cabletron Flow Control capable devices. 
--
-- The implementation of this group is OPTIONAL.

ctFlowCtlTable  OBJECT-TYPE
     SYNTAX SEQUENCE OF CtFlowCtlEntry
     ACCESS not-accessible
     STATUS mandatory
     DESCRIPTION
       "Provides a list of statistic and control objects over 10BASE-X, 
        100BASE-X and 1000BASE-X Cabletron interfaces that support flow 
        control as described by IEEE Std 802.3, 1998 Edition."
     ::= { ctFlowControl 1 }


ctFlowCtlEntry OBJECT-TYPE
    SYNTAX CtFlowCtlEntry
    ACCESS not-accessible
    STATUS mandatory
    DESCRIPTION
      "Defines a particular entry containing objects pertaining to
       definition and control over Cabletron flow control capable interfaces."
    INDEX { ctIfPortIfNumber, ctIfPortPortNumber }
    ::= { ctFlowCtlTable 1 }

CtFlowCtlEntry ::= SEQUENCE {
      ctFlowCtlHalfDuplexAdminStatus
            INTEGER,
      ctFlowCtlHalfDuplexOperStatus
            INTEGER,
      ctEtherSupportedPauseModes
            INTEGER,
      ctFlowCtlPauseAdminStatus
            INTEGER,           
      ctFlowCtlPauseOperStatus
            INTEGER,
      ctFlowCtlPauseTimer
            INTEGER,
      ctFlowCtlRxPauseFrames
            Counter,
      ctFlowCtlTxPauseFrames
            Counter
}

ctFlowCtlHalfDuplexAdminStatus OBJECT-TYPE
    SYNTAX INTEGER {
      enabled(1),
      disabled(2)
      }            
    ACCESS read-write
    STATUS mandatory
    DESCRIPTION
      "The administrative status requested by management for back pressure
       on this port.  Back pressure is a collision based flow control mechanism 
       used in half duplex configurations.  The value of enabled(1) indicates 
       that back pressure should be enabled on this port if the port is in half
       duplex.  The value of disable(2) indicates that back pressure should be 
       disabled on this port."
    DEFVAL { enabled }
    ::= { ctFlowCtlEntry 1 }

ctFlowCtlHalfDuplexOperStatus OBJECT-TYPE
    SYNTAX INTEGER {
      enabled(1),
      disabled(2),
      notsupported(3)
      }            
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "The current operational status of back pressure on this port."
    ::= { ctFlowCtlEntry 2 }

ctEtherSupportedPauseModes OBJECT-TYPE
    SYNTAX INTEGER             
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This indicates the frame based modes of full duplex flow control for this
       port.
    
       The value is a sum.  This sum initially takes the value zero. Then, for
       each mode, M, that the port supports, 2 raised to (M - 1) is added to 
       the sum.  For example, a port that supports Symmetric (M= 2),
       AsymmetricRX (M = 3) and AsymmetricTx (M = 4) would return a value 
       of 14 ((2 ^ (2 - 1)) + (2 ^ (3 - 1)) + (2 ^ (4 - 1))).

       Speed values should be calculated as follows:

          M   Mode            Description
         --   ------------    ------------------------------------------------
          1   Other           None of the following
          2   Symmetric       Receive and Transmit Pause Frames        
          3   AsymmetricRx    Receive Pause Frames
          4   AsymmetricTx    Transmit Pause Frames
      "
    ::= { ctFlowCtlEntry 3 }
    
ctFlowCtlPauseAdminStatus OBJECT-TYPE
    SYNTAX INTEGER {
      symmetric(1),
      asymmetricRx(2),
      asymmetricTx(3),
      disabled(4),
      autonegotiate(5)
      }            
    ACCESS read-write
    STATUS mandatory
    DESCRIPTION
      "The administrative status requested by management for frame based
       flow control on this port.  For 10 Mb and 100 Mb ports the value of 
       symmetric(1) indicates that if Auto-Negotiation is supported for this 
       port, that the FDX PAUSE bit in the ctAutoNegLocalTechnologyAbility will
       be set, further indicating that the port supports full duplex flow 
       control.  For 1000 Mb the value of symmetric(1) indicates that if 
       Auto-Negotiation is supported for this port, that the FDX SPAUSE
       bit in the ctAutoNegLocalTechnologyAbility will be set, further 
       indicating that the port supports symmetric frame based flow control.
       In all cases a set of symmetric(1) will cause the port to interpret 
       received PAUSE frames and allow the port to transmit PAUSE frames when 
       necessary.  A set of a value of symmetric(1) is limited to those ports 
       that support symmetric frame based flow control as specified by
       ctEtherSupportedPauseModes.
       
       The value of asymmetricRx(2) indicates that if Auto-Negotiation is 
       supported for this port, that the FDX BPAUSE bit in the 
       ctAutoNegLocalTechnologyAbility will be set, further
       indicating that the port supports asymmetric receive frame based flow 
       control.  In all cases a set of asymmetricRx(2) will cause the port to 
       interpret received PAUSE frames and disallow the port to transmit PAUSE 
       frames.  A set of a value of asymmetricRx(2) is limited to those ports 
       that support asymmetricRx frame based flow control as specified by 
       ctEtherSupportedPauseModes. 

       The value of asymmetricTx(3) indicates that if Auto-Negotiation is
       supported for this port, that the FDX APAUSE bit in the
       ctAutoNegLocalTechnologyAbility will be set, further indicating that the
       port supports asymmetric transmit frame based flow control.  In all cases
       a set of asymmetricTx(3) will cause the port to ignore PAUSE frames and 
       allow the port to transmit PAUSE frames when necessary.  A set of a value
       of asymmetricTx(3) is limited to those ports that support asymmetricTx 
       frame based flow control as specified by ctEtherSupportedPauseModes.

       The value of disabled(4) indicates that if Auto-Negotiation is supported 
       for this port, that the FDX PAUSE, FDX APAUSE, FDX SPAUSE and FDX BPAUSE
       bits in the ctAutoNegLocalTechnologyAbility will be cleared, further 
       indicating that the port does not support frame based flow control.  In 
       all cases a set of disable(2) will cause the port to ignore received 
       PAUSE frames and to disallow the port to transmit PAUSE frames.  
       
       The value of autonegotiate(5) indicates that if Auto-Negotiation is 
       supported for this port, and the hardware supports the ability to
       advertise PAUSE capability, that the maximum flow control capabilities 
       of the hardware are to be reflected in the PAUSE bits of 
       ctAutoNegLocalTechnologyAbility.  The ports flow control operational
       state will be determined by the results of Auto-Negotiation.  If 
       Auto-Negotiation is not supported for this port, a set of 
       autonegotiate(5) will fail.
       
       In all cases frame based flow control is only used for ports that
       are in full duplex."
    DEFVAL { autonegotiate }
    ::= { ctFlowCtlEntry 4 }

ctFlowCtlPauseOperStatus OBJECT-TYPE
    SYNTAX INTEGER {
      symmetric(1),
      asymmetricRx(2),
      asymmetricTx(3),
      disabled(4),
      unknown(5),
      notsupported(6)
      }            
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "The current operational status of full duplex flow control 
       on this port.  A value of unknown(5) will be returned for any port which 
       has a Pause Frame Admin Status of autonegotiate(5), as specified by
       ctFlowCtlPauseAdminStatus, but is in an unknown Auto-Negotiation state."
    ::= { ctFlowCtlEntry 5 }

ctFlowCtlPauseTimer OBJECT-TYPE
    SYNTAX INTEGER (0..65535)
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "A 2 octet, unsigned integer containing the length of time for which
       the receiving station is requested to inhibit data frame transmission.
       The pause time is measured in units of pause_quanta, equal to 512 bit
       times of the particular implementation." 
    REFERENCE
      "IEEE Std 802.3, 1998 Edition Annex 31B.2"
    ::= { ctFlowCtlEntry 6 }
  
ctFlowCtlRxPauseFrames  OBJECT-TYPE
    SYNTAX Counter
    ACCESS read-only
    STATUS mandatory 
    DESCRIPTION
      "The number of pause frames received on this port."
    ::= { ctFlowCtlEntry 7 }

ctFlowCtlTxPauseFrames  OBJECT-TYPE
    SYNTAX Counter
    ACCESS read-only
    STATUS mandatory 
    DESCRIPTION
      "The number of pause frames transmitted from this port."
    ::= { ctFlowCtlEntry 8 }

ctEtherManualConfig  OBJECT IDENTIFIER ::= { ctEthernetCtlParameters 3 }
-- The ctEtherManualConfig group provides manual configuration of speed
-- and duplex for 10BASE-T, 100BASE-X, or 1000BASE-X Cabletron Ethernet 
-- interfaces.
--
-- The implementation of this group is MANDATORY.

ctEtherManualConfigTable  OBJECT-TYPE
     SYNTAX SEQUENCE OF CtEtherManualConfigEntry
     ACCESS not-accessible
     STATUS mandatory
     DESCRIPTION
       "Provides a list of speed and duplex control objects over 10BASE-X, 
        100BASE-X and 1000 BASE-X Cabletron Ethernet interfaces." 
     ::= { ctEtherManualConfig 1 }

ctEtherManualConfigEntry OBJECT-TYPE
    SYNTAX CtEtherManualConfigEntry
    ACCESS not-accessible
    STATUS mandatory
    DESCRIPTION
      "Defines a particular entry containing objects pertaining to
       definition and control over Cabletron Ethernet interfaces."
    INDEX { ctIfPortIfNumber, ctIfPortPortNumber }
    ::= { ctEtherManualConfigTable 1 }

CtEtherManualConfigEntry ::= SEQUENCE {
      ctEtherSupportedSpeed
            INTEGER,
      ctEtherSpeedAdminStatus
            INTEGER,
      ctEtherSpeedOperStatus
            INTEGER,
      ctEtherSupportedDuplex
            INTEGER,           
      ctEtherDuplexAdminStatus
            INTEGER,
      ctEtherDuplexOperStatus
            INTEGER
}

ctEtherSupportedSpeed OBJECT-TYPE
    SYNTAX INTEGER             
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This indicates the supported speeds for the port.
    
       The value is a sum.  This sum initially takes the value zero. Then, for
       each speed, S, that the port supports, 2 raised to (S - 1) is added to 
       the sum.  For example, a port that supports 10 Mb (S = 1) and 100 Mb
       (S = 2) would return a value of 3 ((2 ^ (1 - 1)) + (2 ^ (2 - 1))).

       Speed values should be calculated as follows:

          S   Speed           Description
         --   -----------     ------------------------------------------------
          1   10 Mb           Ethernet
          2   100 Mb          Fast Ethernet
          3   1000 Mb         Gigabit Ethernet
      "
    ::= { ctEtherManualConfigEntry 1 }

ctEtherSpeedAdminStatus OBJECT-TYPE
    SYNTAX INTEGER {
       tenmegabit(2),
       hundredmegabit(3),
       gigabit(4)
       }           
    ACCESS read-write
    STATUS mandatory
    DESCRIPTION
      "The administrative status requested by management for the speed of this 
       port.  The value of tenmegabit(2) indicates that if Auto-Negotiation 
       is disabled for this port, that the port will operate at a speed of
       10 megabits per second, provided that the port supports that speed,
       as specified by ctEtherSupportedSpeed.  
       
       The value of hundredmegabit(3) indicates that if Auto-Negotiation 
       is disabled for this port, that the port will operate at a speed of
       100 megabits per second, provided that the port supports that speed,
       as specified by ctEtherSupportedSpeed.
  
       The value of gigabit(4) indicates that if Auto-Negotiation 
       is disabled for this port, that the port will operate at a speed of
       1000 megabits per second, provided that the port supports that speed,
       as specified by ctEtherSupportedSpeed.
       
       In all cases, if the value specified does not indicate a speed that 
       the port supports the set will fail."
    ::= { ctEtherManualConfigEntry 2 }

ctEtherSpeedOperStatus OBJECT-TYPE
    SYNTAX INTEGER {
       unknown(1),
       tenmegabit(2),
       hundredmegabit(3),
       gigabit(4)
       }           
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This object indicates the current speed of the Ethernet port."
    ::= { ctEtherManualConfigEntry 3 }
      
ctEtherSupportedDuplex OBJECT-TYPE
    SYNTAX INTEGER {
       halfduplex(1),
       fullduplex(2),
       halfandfullduplex(3)
       }           
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This object indicates the duplex modes supported by this port.
       A value of halfduplex(1) indicates that the port only supports
       half duplex operation.  A value of fullduplex(2) indicates that
       the port only supports full duplex operation.  A value of
       halfandfullduplex(3) indicates that the port supports both
       half and full duplex operation."
    ::= { ctEtherManualConfigEntry 4 }
    
ctEtherDuplexAdminStatus OBJECT-TYPE
    SYNTAX INTEGER {
       halfduplex(2),
       fullduplex(3)
       }           
    ACCESS read-write
    STATUS mandatory
    DESCRIPTION
      "The administrative status requested by management for the duplex of this 
       port.  The value of halfduplex(2) indicates that if Auto-Negotiation 
       is disabled for this port, that the port will operate in half duplex,
       provided that the port supports half duplex, as specified by 
       ctEtherSupportedDuplex.
       
       The value of fullduplex(3) indicates that if Auto-Negotiation 
       is disabled for this port, that the port will operate in full duplex,
       provided that the port supports full duplex, as specified by 
       ctEtherSupportedDuplex.
       
       In all cases, if the value specified does not indicate a duplex that 
       the port supports the set will fail."
    DEFVAL { halfduplex }
    ::= { ctEtherManualConfigEntry 5 } 
 
ctEtherDuplexOperStatus OBJECT-TYPE
    SYNTAX INTEGER {
       unknown(1),
       halfduplex(2),
       fullduplex(3)
       }           
    ACCESS read-only
    STATUS mandatory
    DESCRIPTION
      "This object indicates the current duplex of the Ethernet port."
    ::= { ctEtherManualConfigEntry 6 }
     
END