snmp_expoter で 16進文字化けしたのでMIBを修正した。 ref: https://qiita.com/FoxBoxsnet/items/2531bba86db5f0e748da

BEGEMOT-PF-MIB.patch

diff --git a/BEGEMOT-PF-MIB.txt b/BEGEMOT-PF-MIB.txt
index c88fac7..88f8b2c 100644
--- a/BEGEMOT-PF-MIB.txt
+++ b/BEGEMOT-PF-MIB.txt
@@ -20,7 +20,9 @@ IMPORTS
     InetAddress, InetAddressType, InetAddressPrefixLength
    FROM INET-ADDRESS-MIB
     begemot
-   FROM BEGEMOT-MIB;
+   FROM BEGEMOT-MIB
+   DisplayString
+   FROM SNMPv2-TC;

 begemotPf MODULE-IDENTITY
     LAST-UPDATED "201003180000Z"
@@ -103,7 +105,7 @@ pfStatusDebug OBJECT-TYPE
     ::= { pfStatus 3 }

 pfStatusHostId OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS read-only
     STATUS current
     DESCRIPTION
@@ -444,7 +446,7 @@ pfTimeoutsSrcNode OBJECT-TYPE
 --

 pfLogInterfaceName OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS read-only
     STATUS current
     DESCRIPTION
@@ -582,7 +584,7 @@ pfInterfacesIfEntry OBJECT-TYPE

 PfInterfacesIfEntry ::= SEQUENCE {
     pfInterfacesIfIndex            Integer32,
-    pfInterfacesIfDescr            OCTET STRING,
+    pfInterfacesIfDescr            DisplayString,
     pfInterfacesIfType         INTEGER,
     pfInterfacesIfTZero            TimeTicks,
     pfInterfacesIfRefsState        Null,
@@ -614,7 +616,7 @@ pfInterfacesIfIndex OBJECT-TYPE
     ::= { pfInterfacesIfEntry 1 }

 pfInterfacesIfDescr OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS read-only
     STATUS current
     DESCRIPTION
@@ -821,7 +823,7 @@ pfTablesTblEntry OBJECT-TYPE

 PfTablesTblEntry ::= SEQUENCE {
     pfTablesTblIndex           Integer32,
-    pfTablesTblDescr           OCTET STRING,
+    pfTablesTblDescr           DisplayString,
     pfTablesTblCount           Integer32,
     pfTablesTblTZero           TimeTicks,
     pfTablesTblRefsAnchor      Integer32,
@@ -851,7 +853,7 @@ pfTablesTblIndex OBJECT-TYPE
     ::= { pfTablesTblEntry 1 }

 pfTablesTblDescr OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS  read-only
     STATUS current
     DESCRIPTION
@@ -1188,8 +1190,8 @@ pfAltqQueueEntry OBJECT-TYPE

 PfAltqQueueEntry ::= SEQUENCE {
     pfAltqQueueIndex           Integer32,
-    pfAltqQueueDescr           OCTET STRING,
-    pfAltqQueueParent          OCTET STRING,
+    pfAltqQueueDescr           DisplayString,
+    pfAltqQueueParent          DisplayString,
     pfAltqQueueScheduler       INTEGER,
     pfAltqQueueBandwidth       Unsigned32,
     pfAltqQueuePriority            Integer32,
@@ -1205,7 +1207,7 @@ pfAltqQueueIndex OBJECT-TYPE
     ::= { pfAltqQueueEntry 1 }

 pfAltqQueueDescr OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS read-only
     STATUS current
     DESCRIPTION
@@ -1213,7 +1215,7 @@ pfAltqQueueDescr OBJECT-TYPE
     ::= { pfAltqQueueEntry 2 }

 pfAltqQueueParent OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS read-only
     STATUS current
     DESCRIPTION
@@ -1280,7 +1282,7 @@ pfLabelsLblEntry OBJECT-TYPE

 PfLabelsLblEntry ::= SEQUENCE {
     pfLabelsLblIndex       Integer32,
-    pfLabelsLblName        OCTET STRING,
+    pfLabelsLblName        DisplayString,
     pfLabelsLblEvals       Counter64,
     pfLabelsLblBytesIn     Counter64,
     pfLabelsLblBytesOut        Counter64,
@@ -1297,7 +1299,7 @@ pfLabelsLblIndex OBJECT-TYPE
     ::= { pfLabelsLblEntry 1 }

 pfLabelsLblName OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS read-only
     STATUS current
     DESCRIPTION

file1.txt

DisplayString
FROM SNMPv2-TC;

file2.diff

@@ -582,7 +584,7 @@ pfInterfacesIfEntry OBJECT-TYPE

 PfInterfacesIfEntry ::= SEQUENCE {
     pfInterfacesIfIndex            Integer32,
-    pfInterfacesIfDescr            OCTET STRING,
+    pfInterfacesIfDescr            DisplayString,
     pfInterfacesIfType         INTEGER,
     pfInterfacesIfTZero            TimeTicks,
     pfInterfacesIfRefsState        Null,

file3.diff

@@ -614,7 +616,7 @@ pfInterfacesIfIndex OBJECT-TYPE
     ::= { pfInterfacesIfEntry 1 }

 pfInterfacesIfDescr OBJECT-TYPE
-    SYNTAX OCTET STRING
+    SYNTAX DisplayString (SIZE  (0..32))
     MAX-ACCESS read-only
     STATUS current
     DESCRIPTION