ARISTA-BRIDGE-EXT-MIB DEFINITIONS ::= BEGIN

IMPORTS
    MODULE-IDENTITY, OBJECT-TYPE,
    NOTIFICATION-TYPE,
    Counter32, TimeTicks               FROM SNMPv2-SMI
    MODULE-COMPLIANCE, OBJECT-GROUP,
    NOTIFICATION-GROUP                 FROM SNMPv2-CONF
    dot1qFdbId, dot1qTpFdbAddress,
    dot1qTpFdbPort, VlanIdOrNone       FROM Q-BRIDGE-MIB
    dot1dBasePort                      FROM BRIDGE-MIB
    TimeFilter                         FROM RMON2-MIB
    aristaMibs                         FROM ARISTA-SMI-MIB;

aristaBridgeExtMIB MODULE-IDENTITY
    LAST-UPDATED "202512190000Z"
    ORGANIZATION "Arista Networks, Inc."
    CONTACT-INFO
        "Arista Networks, Inc.

         Postal: 5453 Great America Parkway
                 Santa Clara, CA 95054

         Tel: +1 408 547-5500

         E-mail: snmp@arista.com"
    DESCRIPTION
           "This MIB contains extensions to the BRIDGE-MIB."
    REVISION      "202512190000Z"
    DESCRIPTION
           "Added aristaPortVlanTable."
    REVISION      "202506200000Z"
    DESCRIPTION
           "Added aristaSwitchForwardingMode."
    REVISION      "202009290000Z"
    DESCRIPTION
           "Added aristaMacStatsTable."
    REVISION      "201909150000Z"
    DESCRIPTION
           "Added MAC learn, move, and age notifications, with corresponding
            notification group and compliance statement."
    REVISION      "201408150000Z"
    DESCRIPTION
           "Updated postal and e-mail addresses."
    REVISION      "201103311300Z"
    DESCRIPTION
           "Updated postal address and telephone."
    REVISION      "201005030000Z"
    DESCRIPTION
           "The initial revision of this MIB module."
    ::= { aristaMibs 2 }

aristaBridgeExtNotifications OBJECT IDENTIFIER ::= { aristaBridgeExtMIB 0 }

aristaDot1qTpFdbTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF AristaDot1qTpFdbEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "A table that contains host move information about unicast entries
        for which the device has forwarding information."
    ::= { aristaBridgeExtMIB 1 }

aristaDot1qTpFdbEntry OBJECT-TYPE
    SYNTAX      AristaDot1qTpFdbEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "Information about a specific unicast MAC address for
        which the device has some forwarding information."
    INDEX   { aristaDot1qTpFdbTimeMark, dot1qFdbId, dot1qTpFdbAddress }
    ::= { aristaDot1qTpFdbTable 1 }

AristaDot1qTpFdbEntry ::=
    SEQUENCE {
        aristaDot1qTpFdbTimeMark   TimeFilter,
        aristaDot1qTpFdbNumMoves   Counter32,
        aristaDot1qTpFdbLastMove   TimeTicks
    }

aristaDot1qTpFdbTimeMark OBJECT-TYPE
    SYNTAX      TimeFilter
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "A TimeFilter that can be used to filter out entries
        that have not moved recently.  If you don't want to filter, make
        sure to pass '0' for the value of this index component, otherwise
        pass the sysUpTime value representing the last time you queried
        the table."
    ::= { aristaDot1qTpFdbEntry 1 }


aristaDot1qTpFdbNumMoves OBJECT-TYPE
    SYNTAX      Counter32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "The number of times a given MAC address has changed
        ports without having been aged out, or the value 1 for a
        MAC address that was not previously in the table before being
        learned."
    ::= { aristaDot1qTpFdbEntry 2 }

aristaDot1qTpFdbLastMove OBJECT-TYPE
    SYNTAX      TimeTicks
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "The value of sysUpTime the last time the value of
        aristaDot1qTpFdbNumMoves was incremented."
    ::= { aristaDot1qTpFdbEntry 3 }

aristaMacStatsTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF AristaMacStatsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "A table that contains the number of known MAC entries of various
        types in each bridging domain."
    ::= { aristaBridgeExtMIB 3 }

aristaMacStatsEntry OBJECT-TYPE
    SYNTAX      AristaMacStatsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "The number of known MAC addresses of a specific entry type for a
        given bridging domain."
    INDEX   { dot1qFdbId, aristaMacStatsEntryType }
    ::= { aristaMacStatsTable 1 }

AristaMacStatsEntry ::=
    SEQUENCE {
        aristaMacStatsEntryType   INTEGER,
        aristaMacStatsEntries     Counter32
    }

aristaMacStatsEntryType OBJECT-TYPE
    SYNTAX      INTEGER {
                    local(1),
                    remote(2)
    }
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "The type of MAC entry for which this entry provides a count."
    ::= { aristaMacStatsEntry 1 }

aristaMacStatsEntries OBJECT-TYPE
    SYNTAX      Counter32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "The number of known MAC entries of the given entry type in the
        given bridging domain."
    ::= { aristaMacStatsEntry 2 }

aristaBridgeExtScalars OBJECT IDENTIFIER ::= { aristaBridgeExtMIB 4 }

aristaSwitchForwardingMode OBJECT-TYPE
    SYNTAX      INTEGER { 
                 defaultMode(1),
                 cutThrough(2),
                 storeAndForward(3) 
                }
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "The packet forwarding mode of this system."
    ::= { aristaBridgeExtScalars 1 }

-- Port VLAN configuration table

aristaPortVlanTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF AristaPortVlanEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "This table is an extension to dot1dBasePortTable providing per-port VLAN
        configuration information."
    ::= { aristaBridgeExtMIB 5 }

aristaPortVlanEntry OBJECT-TYPE
    SYNTAX      AristaPortVlanEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION
        "VLAN configuration information for a specific port on this device."
    INDEX   { dot1dBasePort }
    ::= { aristaPortVlanTable 1 }

AristaPortVlanEntry ::=
    SEQUENCE {
        aristaSwitchportMode   INTEGER,
        aristaPhoneVlanId      VlanIdOrNone
    }

aristaSwitchportMode OBJECT-TYPE
    SYNTAX      INTEGER {
                    access(1),
                    trunk(2),
                    dot1qTunnel(3),
                    other(4)
                }
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "The switchport mode for this port."
    ::= { aristaPortVlanEntry 1 }

aristaPhoneVlanId OBJECT-TYPE
    SYNTAX      VlanIdOrNone
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION
        "The VLAN ID of the phone VLAN configured on this port. A value of 0
        indicates that no phone VLAN is configured."
    ::= { aristaPortVlanEntry 2 }

-- Notifications

aristaMacMove NOTIFICATION-TYPE
   OBJECTS { 
      aristaDot1qTpFdbNumMoves,
      dot1qTpFdbPort
   }
   STATUS      current
   DESCRIPTION
       "This notification is generated when a MAC address changes ports
       without having been aged out."
  ::= { aristaBridgeExtNotifications 1 }

aristaMacLearn NOTIFICATION-TYPE
   OBJECTS { 
      dot1qTpFdbPort
   }
   STATUS      current
   DESCRIPTION
       "This notification is generated when a MAC address is learned. The port
       is the interface the host was learned on."
  ::= { aristaBridgeExtNotifications 2 }

aristaMacAge NOTIFICATION-TYPE
   OBJECTS { 
      dot1qTpFdbPort
   }
   STATUS      current
   DESCRIPTION
       "This notification is generated when a MAC address is aged out. It
       includes the last port it was on before being aged out."
  ::= { aristaBridgeExtNotifications 3 }

-- Conformance

aristaBridgeExtConformance OBJECT IDENTIFIER ::= { aristaBridgeExtMIB 2 }

aristaBridgeExtGroups OBJECT IDENTIFIER ::= { aristaBridgeExtConformance 1 }

aristaBridgeExtCompliances OBJECT IDENTIFIER ::= { aristaBridgeExtConformance 2 }

-- units of conformance

aristaBridgeExtBaseGroup OBJECT-GROUP
    OBJECTS {
        aristaDot1qTpFdbNumMoves,
        aristaDot1qTpFdbLastMove,
        aristaMacStatsEntries,
        aristaSwitchForwardingMode,
        aristaSwitchportMode,
        aristaPhoneVlanId
    }
    STATUS      current
    DESCRIPTION
        "A collection of objects providing MAC move count and times,
        MAC counts per entry type, and port VLAN configuration."
    ::= { aristaBridgeExtGroups 1 }

aristaBridgeExtNotificationGroup NOTIFICATION-GROUP
    NOTIFICATIONS {
        aristaMacMove,
        aristaMacLearn,
        aristaMacAge
    }
    STATUS      current
    DESCRIPTION
        "Notification group for Arista bridge extension."
    ::= { aristaBridgeExtGroups 2 }

-- comliance statements

aristaBridgeExtCompliance MODULE-COMPLIANCE
    STATUS      current
    DESCRIPTION
        "The compliance statement for device support of MAC move count and
        times."

    MODULE
        MANDATORY-GROUPS {
            aristaBridgeExtBaseGroup
        }
    ::= { aristaBridgeExtCompliances 1 }

aristaBridgeExtNotificationCompliance MODULE-COMPLIANCE
    STATUS      current
    DESCRIPTION
        "The compliance statement for device support of MAC learn,
        move, and age notifications."
    MODULE
        MANDATORY-GROUPS {
            aristaBridgeExtNotificationGroup
        }
    ::= { aristaBridgeExtCompliances 2 }

END