--- a
+++ b/arista/ARISTA-PFC-MIB.txt
@@ -0,0 +1,146 @@
+-- Copyright (c) 2013 Arista Networks, Inc.  All rights reserved.
+ARISTA-PFC-MIB DEFINITIONS ::= BEGIN
+
+IMPORTS
+    MODULE-IDENTITY, OBJECT-TYPE, Counter64, 
+    Integer32                                FROM SNMPv2-SMI
+    TEXTUAL-CONVENTION                       FROM SNMPv2-TC
+    InterfaceIndex                           FROM IF-MIB
+    MODULE-COMPLIANCE,
+    OBJECT-GROUP                             FROM SNMPv2-CONF   -- [RFC2580]
+    aristaMibs                               FROM ARISTA-SMI-MIB;
+
+aristaPfcMIB MODULE-IDENTITY
+    LAST-UPDATED "201302280000Z"    -- 02/28/2013 00:00GMT
+    ORGANIZATION "Arista Networks, Inc."
+    CONTACT-INFO
+        "Arista Networks, Inc.
+
+         Postal: 5470 Great America Parkway
+                 Santa Clara, CA 95054
+
+         Tel: +1 408 547-5500
+
+         E-mail: snmp@aristanetworks.com"
+    DESCRIPTION
+    "Extensions for managing IEEE 802.1Qbb Priority-based Flow Control on
+     Arista devices.  This module extends IEEE8021-PFC-MIB by providing 
+     per class-of-service information for the supported Arista platforms."
+    REVISION       "201302280000Z"    -- 02/28/2013 00:00GMT
+    DESCRIPTION    "Initial version."
+    ::= { aristaMibs 11 }
+
+aristaPfc OBJECT IDENTIFIER ::= { aristaPfcMIB 1 }
+aristaPfcConformance OBJECT IDENTIFIER ::= { aristaPfcMIB 2 }
+
+--
+-- Textual Conventions
+--
+AristaPfcCOSIndex ::= TEXTUAL-CONVENTION
+    DISPLAY-HINT "d"
+    STATUS       current
+    DESCRIPTION
+        "A unique value for each Ethernet class-of-service priority"
+    SYNTAX      Integer32 (0..7)
+
+---
+--- Per-priority PFC Table
+---
+aristaPfcPriorityTable OBJECT-TYPE
+    SYNTAX      SEQUENCE OF AristaPfcPriorityEntry
+    MAX-ACCESS  not-accessible
+    STATUS      current
+    DESCRIPTION
+        "This table contains the per class-of-service priority-flow-control
+        information of an interface."
+    ::= { aristaPfc 1 }
+
+aristaPfcPriorityEntry OBJECT-TYPE
+    SYNTAX      AristaPfcPriorityEntry
+    MAX-ACCESS  not-accessible
+    STATUS      current
+    DESCRIPTION
+	"A list of attributes of each ingress class-of-service of an interface."
+    INDEX   { aristaPfcIfIndex, aristaPfcPriorityIndex }
+    ::= { aristaPfcPriorityTable 1 }
+
+AristaPfcPriorityEntry ::= SEQUENCE {
+    aristaPfcIfIndex             InterfaceIndex,
+    aristaPfcPriorityIndex       AristaPfcCOSIndex,
+    aristaPfcPriorityRequests    Counter64,
+    aristaPfcPriorityIndications Counter64 
+}
+
+aristaPfcIfIndex OBJECT-TYPE
+    SYNTAX      InterfaceIndex
+    MAX-ACCESS  not-accessible
+    STATUS      current
+    DESCRIPTION
+	"The interface identified by a particular value of
+         this index is the same interface as identified
+         by the same value of ifIndex."
+    ::= { aristaPfcPriorityEntry 1 }
+
+aristaPfcPriorityIndex OBJECT-TYPE
+    SYNTAX      AristaPfcCOSIndex
+    MAX-ACCESS  not-accessible
+    STATUS      current
+    DESCRIPTION
+        "The Ethernet class-of-service index for accessing 
+        the per-priority information of an interface."
+    ::= { aristaPfcPriorityEntry 2 }
+
+aristaPfcPriorityRequests OBJECT-TYPE
+    SYNTAX      Counter64
+    UNITS       "Requests"
+    MAX-ACCESS  read-only
+    STATUS      current
+    DESCRIPTION
+        "A count of the invoked PFC M_CONTROL.request primitives with
+         this priority class asserted.
+
+         Discontinuities in the value of this counter can occur at
+         re-initialization of the management system, and at other
+         times as indicated by the value of
+         ifCounterDiscontinuityTime."
+    ::= { aristaPfcPriorityEntry 3 }
+
+aristaPfcPriorityIndications OBJECT-TYPE
+    SYNTAX      Counter64
+    UNITS       "Indications"
+    MAX-ACCESS  read-only
+    STATUS      current
+    DESCRIPTION
+        "A count of the received PFC M_CONTROL.indication primitives
+         with this priority class asserted.
+
+         Discontinuities in the value of this counter can occur at
+         re-initialization of the management system, and at other
+         times as indicated by the value of
+         ifCounterDiscontinuityTime."
+    ::= { aristaPfcPriorityEntry 4 }
+
+aristaPfcCompliances OBJECT IDENTIFIER ::= { aristaPfcConformance 1 }
+aristaPfcGroups OBJECT IDENTIFIER ::= { aristaPfcConformance 2 }
+
+aristaPfcCompliance MODULE-COMPLIANCE
+    STATUS       current
+    DESCRIPTION
+        "The compliance statement for Arista switches that support
+        Priority Flow Control (PFC)."
+    MODULE -- this module
+    MANDATORY-GROUPS { aristaPfcGroup }
+
+    ::= { aristaPfcCompliances 1 }
+
+aristaPfcGroup OBJECT-GROUP
+    OBJECTS {
+            aristaPfcPriorityRequests,
+            aristaPfcPriorityIndications
+    }
+    STATUS        current
+    DESCRIPTION
+        "The group of required PFC objects."
+    ::= { aristaPfcGroups 1 }
+
+END