natmib.mib

vxworks下ppp的实现源码

              ::= { natEntry 18 }

          natIcmpSessionMaxIdleTime OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
		      "All sessions are associated with a session-idle timeout.
		      When this timeout expires if the session is idle, 
		      the corresponding entry in the session table is deleted.

                      This parameter defines the value in seconds for the
		      ICMP session-idle timeout loaded when the session itself
		      is detected on the NAT device.

		      Changing this parameter only affects ICMP sessions 
		      detected at a later time.
		      
		      This parameter is only significant when the device
		      operates in NAPT mode."
              ::= { natEntry 19 }

          natTcpUpSessionMaxIdleTime OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
		      "All sessions are associated with a session-idle timeout.
		      When this timeout expires if the session is idle, 
		      the corresponding entry in the session table is deleted.

		      TCP sessions define different timeouts for different
		      states (with reference to the TCP state machine).

                      This parameter defines the value in seconds for the
		      session-idle timeout loaded when a TCP session in
		      established state is detected on the NAT device.

		      Changing this parameter only affects sessions detected
		      at a later time."
              ::= { natEntry 20 }

          natTcpDiscSessionMaxIdleTime OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
		      "All sessions are associated with a session-idle timeout.
		      When this timeout expires if the session is idle, 
		      the corresponding entry in the session table is deleted.

		      TCP sessions define different timeouts for different
		      states (with reference to the TCP state machine).

                      This parameter defines the value in seconds for the
		      session-idle timeout loaded when the NAT device
		      detects a TCP session is being disconnected."
              ::= { natEntry 21 }

          natTcpClosingSessionMaxIdleTime OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
		      "All sessions are associated with a session-idle timeout.
		      When this timeout expires if the session is idle, 
		      the corresponding entry in the session table is deleted.

		      TCP sessions define different timeouts for different
		      states (with reference to the TCP state machine).

                      This parameter defines the value in seconds for the
		      session-idle timeout loaded when the NAT device
		      detects a TCP session is being closed."
              ::= { natEntry 22 }

          natTcpSyncSessionMaxIdleTime OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
		      "All sessions are associated with a session-idle timeout.
		      When this timeout expires if the session is idle, 
		      the corresponding entry in the session table is deleted.

		      TCP sessions define different timeouts for different
		      states (with reference to the TCP state machine).

                      This parameter defines the value in seconds for the
		      session-idle timeout loaded when the NAT device
		      detects a TCP session in the synch state."
              ::= { natEntry 23 }

          natLogMask OBJECT-TYPE
              SYNTAX  INTEGER (0..'7FFFFFFF'h)
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
		      "A Bit Mask documenting the NAT instance's 
		      logging option behaviour.
 
		      Bit 0, if set, indicates that console output is enabled.
 
		      Bit 1, if set, indicates that the system will write
		      initialization sequence output to the console.

		      Bit 2, if set, indicates that the system will write
		      data output to the console.

		      Bit 3, if set, indicates that the system will write
		      trace output to the console.

		      Bit 4, if set, indicates that the system will write
		      information about error events to the console."
	     REFERENCE
		      "WindNet NAT User's Guide, 6.5 Console 
		      Print-Related Configuration Parameters."
	     DEFVAL { 19 }
              ::= { natEntry 24 }

          natEnable OBJECT-TYPE
              SYNTAX  Boolean
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
                      "A boolean flag to enable or disable the NAT device.
		      
		      The device needs to be re-initialized before a 
		      change to this flag may take effect."
              ::= { natEntry 25 }

          natDefXEnable OBJECT-TYPE
              SYNTAX  Boolean
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
                      "Normally the NAT device translates incoming packets'
		       IP addresses and transport ports according to 
		       its translation tables.
		       
		       However, the user may want to change this default 
		       behaviour, for instance to allow for RSIP hosts
		       within the local network to operate properly.
		       In such cases, this flag should be set to false."
              ::= { natEntry 26 }

          natGlobalAddrFilter OBJECT-TYPE
              SYNTAX  Boolean
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
                      "This boolean flag is only meaningful if 
		      natDefXEnable is set to false. If so, and if 
		      natGlobalAddrFilter is set to false, then the
		      NAT device will route packets received on the 
		      global port to the local network, without
		      translating them.
		      
		      This enables RSIP hosts within the local network.
		      
		      Conversely, if this flag is set to true, then 
		      packets received on the global port will be
		      filtered according to their destination IP address."
              ::= { natEntry 27 }

          natStaticBindEnable OBJECT-TYPE
              SYNTAX  Boolean
              ACCESS  read-write
              STATUS  mandatory
              DESCRIPTION
                      "A boolean flag to enable or disable static bind 
		      entries on the NAT device."
              ::= { natEntry 28 }

          -- the NAT bind group
 
          -- Implementation of the NAT bind group is mandatory for all
          -- systems which implement the NAT.
 
          -- the NAT Bind table

          natBindTable OBJECT-TYPE
              SYNTAX  SEQUENCE OF NatBindEntry
              ACCESS  not-accessible
              STATUS  mandatory
              DESCRIPTION
                      "A table containing NAT bind-specific
                      information."
              ::= { natBind 8 }
 
          natBindEntry OBJECT-TYPE
              SYNTAX  NatBindEntry
              ACCESS  not-accessible
              STATUS  mandatory
              DESCRIPTION
                      "Information about a particular current NAT
                      bind."
              INDEX   { natBindLocalAddress,
                        natBindLocalPort,
                        natBindRemAddress,
                        natBindRemPort }
              ::= { natBindTable 1 }
 
          NatBindEntry ::=
              SEQUENCE {
                  natBindStatic
                      Boolean,
                  natBindType
                      INTEGER,
                  natBindLocalAddress
                      IpAddress,
                  natBindLocalPort
                      INTEGER (0..65535),
                  natBindRemAddress
                      IpAddress,
                  natBindRemPort
                      INTEGER (0..65535),
                  natBindMaxLeaseTime
                      INTEGER,
                  natBindLeaseLeft
                      INTEGER,
                  natBindMaxIdle
                      INTEGER,
                  natBindCurrIdle
                      INTEGER,
		  natBindDirection 
                      INTEGER,
                  natBindLocalIfNumber
                      INTEGER,
                  natBindExtIfNumber
                      INTEGER,
                  natBindLocalIfName
                      DisplayString,
                  natBindExtIfName
                      DisplayString,
                  natBindProto
                      INTEGER,
                  natBindAction
                      RowStatus,
		  natBindContrAgent 
                      INTEGER
              }

          natBindStatic OBJECT-TYPE
              SYNTAX  Boolean
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This flag indicates whether this bind is static or 
		      dynamic.

		      A value of true(1) indicates this bind is static.

		      A value of false(2) indicates this bind is dynamic."
              ::= { natBindEntry 1 }

          natBindType OBJECT-TYPE
              SYNTAX  INTEGER {
                          address(1),
                          transport(2)
                      }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This field indicates whether this bind is between 
		      a pair of IP-addresses, or between a pair of 
		      (IP-address, Transport-Id) tuples.

		      A value of 1 indicates this bind is based on
		      a pair of IP-adresses.

		      A value of 2 indicates this bind is based on the
		      (IP-address, Transport-Id) tuple."
              ::= { natBindEntry 2 }

          natBindLocalAddress OBJECT-TYPE
              SYNTAX  IpAddress
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The local IP address for this NAT bind, as 
		      seen in the first packet that triggered this
		      bind instance."
              ::= { natBindEntry 3 }
 
          natBindLocalPort OBJECT-TYPE
              SYNTAX  INTEGER (0..65535)
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The local port number for this NAT bind.

		      For TCP binds, this is the local TCP port number, or 0 if no TCP port is associated with it yet.

		      For UDP binds, this is the local UDP port number, or 0 if no UDP port is associated with it yet.

		      For ICMP binds, this is the ICMP-identifier.

			  For IP binds, the value of 65535 indicates that port is not applicable."
              ::= { natBindEntry 4 }
 
          natBindRemAddress OBJECT-TYPE
              SYNTAX  IpAddress
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The remote IP address for the transport bind, as 
		      seen in the first packet that triggered this
		      bind instance.  The value of 0.0.0.0 means there is no 
			  remote address associated with this bind yet.  The value 
			  of 255.255.255.255 means the bind is for a broadcast 
			  message.
			  
			  For address binds, the remote address shown is actually the 
			  global address of the local host.  NAT doesn't keep track 
			  of the remote address in address binds."
              ::= { natBindEntry 5 }
 
          natBindRemPort OBJECT-TYPE
              SYNTAX  INTEGER (0..65535)
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The remote port number for this NAT bind.
		      
		      For TCP binds, this is the remote TCP port number, 
			  or zero, if no TCP port is associated with it yet.

		      For UDP binds, this is the remote UDP port number,
		      or zero, if no UDP port is associated with it yet.

		      For ICMP binds, this is the ICMP-identifier.

			  For IP (or address) binds, the port is shown as 65535 to indicate that 
			  port is not applicable."

              ::= { natBindEntry 6 }
 
          natBindMaxLeaseTime OBJECT-TYPE
              SYNTAX  INTEGER
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
		      "The validity of a bind may be limited by the 
		      duration of lease time it is allowed. Unless 
		      the lease time is renewed, a bind will not be 
		      valid past the lease time. As a special case, 
		      a value of 0 may be assumed to indicate no 
		      lease time limit. A value of -1 means that it is 
			  not supported by this NAT instance.  Typically, this attribute is 
		      of relevance only in conjunction with 
		      Realm-Specific-IP(RSIP) operation."
	      DEFVAL { 0 }
              ::= { natBindEntry 7 }

          natBindLeaseLeft OBJECT-TYPE
              SYNTAX  INTEGER 
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
		      "This parameter is of relevance only when Maximum 
		      lease time is a non-zero value. At any given instance 
		      of time, this parameter indicates the real-time 
		      left for a bind to remain valid. A value of -1 means 
			  that it is not supported by this NAT instance.
		      Typically, this attribute is of relevance only 
		      in conjunction with Realm-Specific-IP(RSIP) operation."
              ::= { natBindEntry 8 }

          natBindMaxIdle OBJECT-TYPE
              SYNTAX  INTEGER 
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
		      "This parameter indicates the maximum amount of time 
		      this bind is allowed to remain valid, even if 
		      there is no activity. 

		      This parameter is ony valid for dynamic binds.

		      External agents could also control this parameter.

		      Static binds and lease time limited binds
		      are not effected by this parameter."
              ::= { natBindEntry 9 }

          natBindCurrIdle OBJECT-TYPE
              SYNTAX  INTEGER 
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
		      "This parameter is of relevance only when 
		      natBindMaxIdle time is set to a non-zero value. 
		      At any given instance of time, this parameter 
		      indicates the time left for the entry to be 
                      removed from the list."
              ::= { natBindEntry 10 }

          natBindDirection OBJECT-TYPE
              SYNTAX  INTEGER {
			unidirectional(1),