不正な 32 ビット カウンタ SNMP 

不正な 32 ビット カウンタ SNMP 

20324
Created On 02/16/19 04:09 AM - Last Modified 04/19/24 19:36 PM


Symptom


pan os 8.0.14 以降にアップグレードした後の 32 ビット カウンタ値が正しくありません。 pan-os 8.1.5 以降と共に。
 
Panos Prior to 8.0.14 and 8.1.5:

>snmpwalk -c <string> -v 2c <ip. addr> 1.3.6.1.2.1.2.2.1.2

IF-MIB::ifDescr.1 = STRING: dedicated-ha1
IF-MIB::ifDescr.2 = STRING: dedicated-ha2
IF-MIB::ifDescr.3 = STRING: ha1
IF-MIB::ifDescr.4 = STRING: ha2
IF-MIB::ifDescr.5 = STRING: mgmt
IF-MIB::ifDescr.6 = STRING: ethernet1/1
IF-MIB::ifDescr.7 = STRING: ethernet1/2
IF-MIB::ifDescr.8 = STRING: ethernet1/3
IF-MIB::ifDescr.9 = STRING: ethernet1/4
IF-MIB::ifDescr.10 = STRING: ethernet1/5
IF-MIB::ifDescr.11 = STRING: ethernet1/6
IF-MIB::ifDescr.12 = STRING: ethernet1/7
IF-MIB::ifDescr.13 = STRING: ethernet1/8
IF-MIB::ifDescr.14 = STRING: ethernet1/9
IF-MIB::ifDescr.15 = STRING: ethernet1/10
IF-MIB::ifDescr.16 = STRING: ethernet1/11
IF-MIB::ifDescr.17 = STRING: ethernet1/12
IF-MIB::ifDescr.18 = STRING: ethernet1/13
IF-MIB::ifDescr.19 = STRING: ethernet1/14
IF-MIB::ifDescr.20 = STRING: ethernet1/15
IF-MIB::ifDescr.21 = STRING: ethernet1/16
IF-MIB::ifDescr.22 = STRING: ethernet1/17
IF-MIB::ifDescr.23 = STRING: ethernet1/18
IF-MIB::ifDescr.24 = STRING: ethernet1/19
IF-MIB::ifDescr.25 = STRING: ethernet1/20
IF-MIB::ifDescr.26 = STRING: ethernet1/21
IF-MIB::ifDescr.27 = STRING: ethernet1/22
IF-MIB::ifDescr.28 = STRING: ethernet1/23
IF-MIB::ifDescr.29 = STRING: ethernet1/24
IF-MIB::ifDescr.200000000 = STRING: vlan
IF-MIB::ifDescr.300000000 = STRING: loopback
IF-MIB::ifDescr.400000000 = STRING: tunnel



>snmpwalk -c <string> -v 2c <ip. addr> IF-MIB::ifHCInOctets >>> 64-bit counter

IF-MIB::ifHCInOctets.1 = Counter64: 0
IF-MIB::ifHCInOctets.2 = Counter64: 0
IF-MIB::ifHCInOctets.3 = Counter64: 0
IF-MIB::ifHCInOctets.4 = Counter64: 0
IF-MIB::ifHCInOctets.5 = Counter64: 5632121659
IF-MIB::ifHCInOctets.6 = Counter64: 0
IF-MIB::ifHCInOctets.7 = Counter64: 0
IF-MIB::ifHCInOctets.8 = Counter64: 1853526847
IF-MIB::ifHCInOctets.9 = Counter64: 0
IF-MIB::ifHCInOctets.10 = Counter64: 10140487
IF-MIB::ifHCInOctets.11 = Counter64: 1783725824
IF-MIB::ifHCInOctets.12 = Counter64: 0
IF-MIB::ifHCInOctets.13 = Counter64: 0
IF-MIB::ifHCInOctets.14 = Counter64: 0
IF-MIB::ifHCInOctets.15 = Counter64: 0
IF-MIB::ifHCInOctets.16 = Counter64: 0
IF-MIB::ifHCInOctets.17 = Counter64: 0
IF-MIB::ifHCInOctets.18 = Counter64: 0
IF-MIB::ifHCInOctets.19 = Counter64: 0
IF-MIB::ifHCInOctets.20 = Counter64: 0
IF-MIB::ifHCInOctets.21 = Counter64: 0
IF-MIB::ifHCInOctets.22 = Counter64: 0
IF-MIB::ifHCInOctets.23 = Counter64: 0
IF-MIB::ifHCInOctets.24 = Counter64: 0
IF-MIB::ifHCInOctets.25 = Counter64: 0
IF-MIB::ifHCInOctets.26 = Counter64: 0
IF-MIB::ifHCInOctets.27 = Counter64: 0
IF-MIB::ifHCInOctets.28 = Counter64: 0
IF-MIB::ifHCInOctets.29 = Counter64: 0
IF-MIB::ifHCInOctets.200000000 = Counter64: 0
IF-MIB::ifHCInOctets.300000000 = Counter64: 0
IF-MIB::ifHCInOctets.400000000 = Counter64: 0



>snmpwalk -c <string> -v 2c <ip. addr> IF-MIB::ifInOctets >>>32-bit counter

IF-MIB::ifInOctets.1 = Counter32: 0
IF-MIB::ifInOctets.2 = Counter32: 0
IF-MIB::ifInOctets.3 = Counter32: 0
IF-MIB::ifInOctets.4 = Counter32: 0
IF-MIB::ifInOctets.5 = Counter32: 1337120177
IF-MIB::ifInOctets.6 = Counter32: 0
IF-MIB::ifInOctets.7 = Counter32: 0
IF-MIB::ifInOctets.8 = Counter32: 1853523436
IF-MIB::ifInOctets.9 = Counter32: 0
IF-MIB::ifInOctets.10 = Counter32: 10131786
IF-MIB::ifInOctets.11 = Counter32: 1783695830
IF-MIB::ifInOctets.12 = Counter32: 0
IF-MIB::ifInOctets.13 = Counter32: 0
IF-MIB::ifInOctets.14 = Counter32: 0
IF-MIB::ifInOctets.15 = Counter32: 0
IF-MIB::ifInOctets.16 = Counter32: 0
IF-MIB::ifInOctets.17 = Counter32: 0
IF-MIB::ifInOctets.18 = Counter32: 0
IF-MIB::ifInOctets.19 = Counter32: 0
IF-MIB::ifInOctets.20 = Counter32: 0
IF-MIB::ifInOctets.21 = Counter32: 0
IF-MIB::ifInOctets.22 = Counter32: 0
IF-MIB::ifInOctets.23 = Counter32: 0
IF-MIB::ifInOctets.24 = Counter32: 0
IF-MIB::ifInOctets.25 = Counter32: 0
IF-MIB::ifInOctets.26 = Counter32: 0
IF-MIB::ifInOctets.27 = Counter32: 0
IF-MIB::ifInOctets.28 = Counter32: 0
IF-MIB::ifInOctets.29 = Counter32: 0
IF-MIB::ifInOctets.200000000 = Counter32: 0
IF-MIB::ifInOctets.300000000 = Counter32: 0
IF-MIB::ifInOctets.400000000 = Counter32: 0



Panos 8.0.14+ and 8.1.5 and later:

>snmpwalk -c <string> -v 2c <ip. addr> IF-MIB::ifInOctets

IF-MIB::ifInOctets.1 = Counter32: 0
IF-MIB::ifInOctets.2 = Counter32: 0
IF-MIB::ifInOctets.3 = Counter32: 0
IF-MIB::ifInOctets.4 = Counter32: 0
IF-MIB::ifInOctets.5 = Counter32: 1137354
IF-MIB::ifInOctets.6 = Counter32: 0
IF-MIB::ifInOctets.7 = Counter32: 0
IF-MIB::ifInOctets.8 = Counter32: 0  >>> no counters seen
IF-MIB::ifInOctets.9 = Counter32: 0
IF-MIB::ifInOctets.10 = Counter32: 0 >>> no counters seen
IF-MIB::ifInOctets.11 = Counter32: 0 >>> no counters seen
IF-MIB::ifInOctets.12 = Counter32: 0
IF-MIB::ifInOctets.13 = Counter32: 0
IF-MIB::ifInOctets.14 = Counter32: 0
IF-MIB::ifInOctets.15 = Counter32: 0
IF-MIB::ifInOctets.16 = Counter32: 0
IF-MIB::ifInOctets.17 = Counter32: 0
IF-MIB::ifInOctets.18 = Counter32: 0
IF-MIB::ifInOctets.19 = Counter32: 0
IF-MIB::ifInOctets.20 = Counter32: 0
IF-MIB::ifInOctets.21 = Counter32: 0
IF-MIB::ifInOctets.22 = Counter32: 0
IF-MIB::ifInOctets.23 = Counter32: 0
IF-MIB::ifInOctets.24 = Counter32: 0
IF-MIB::ifInOctets.25 = Counter32: 0
IF-MIB::ifInOctets.26 = Counter32: 0
IF-MIB::ifInOctets.27 = Counter32: 0
IF-MIB::ifInOctets.28 = Counter32: 0
IF-MIB::ifInOctets.29 = Counter32: 0
IF-MIB::ifInOctets.200000000 = Counter32: 0
IF-MIB::ifInOctets.300000000 = Counter32: 0
IF-MIB::ifInOctets.400000000 = Counter32: 0


>snmpwalk -c <string> -v 2c <ip. addr> IF-MIB::ifHCInOctets

IF-MIB::ifHCInOctets.1 = Counter64: 0
IF-MIB::ifHCInOctets.2 = Counter64: 0
IF-MIB::ifHCInOctets.3 = Counter64: 0
IF-MIB::ifHCInOctets.4 = Counter64: 0
IF-MIB::ifHCInOctets.5 = Counter64: 1117293
IF-MIB::ifHCInOctets.6 = Counter64: 0
IF-MIB::ifHCInOctets.7 = Counter64: 0
IF-MIB::ifHCInOctets.8 = Counter64: 2653 >>> Counters seen in 64-bit
IF-MIB::ifHCInOctets.9 = Counter64: 0
IF-MIB::ifHCInOctets.10 = Counter64: 2235 >>> Counters seen in 64-bit
IF-MIB::ifHCInOctets.11 = Counter64: 25956 >>> Counters seen in 64-bit
IF-MIB::ifHCInOctets.12 = Counter64: 0
IF-MIB::ifHCInOctets.13 = Counter64: 0
IF-MIB::ifHCInOctets.14 = Counter64: 0
IF-MIB::ifHCInOctets.15 = Counter64: 0
IF-MIB::ifHCInOctets.16 = Counter64: 0
IF-MIB::ifHCInOctets.17 = Counter64: 0
IF-MIB::ifHCInOctets.18 = Counter64: 0
IF-MIB::ifHCInOctets.19 = Counter64: 0
IF-MIB::ifHCInOctets.20 = Counter64: 0
IF-MIB::ifHCInOctets.21 = Counter64: 0
IF-MIB::ifHCInOctets.22 = Counter64: 0
IF-MIB::ifHCInOctets.23 = Counter64: 0
IF-MIB::ifHCInOctets.24 = Counter64: 0
IF-MIB::ifHCInOctets.25 = Counter64: 0
IF-MIB::ifHCInOctets.26 = Counter64: 0
IF-MIB::ifHCInOctets.27 = Counter64: 0
IF-MIB::ifHCInOctets.28 = Counter64: 0
IF-MIB::ifHCInOctets.29 = Counter64: 0
IF-MIB::ifHCInOctets.200000000 = Counter64: 0
IF-MIB::ifHCInOctets.300000000 = Counter64: 0
IF-MIB::ifHCInOctets.400000000 = Counter64: 0

 

Environment


  • すべて PAN-OS
  • SNMP カウンタ - 管理

Cause


  • これは設計どおりに機能します。 PAN-OS8.0.14 および 8.1.5 では、ここで文書化されている既知の問題があります。 (PAN-98263)
  • 32 ビットのカウンタは混乱を招くことが知られており、過去に誤った値を示しています。

 

Resolution


ユーザーは、64 ビットのカウンタを確認する必要があります。
>snmpwalk -c <string> -v 2c <ip. addr> IF-MIB::ifHCInOctets

 

Additional Information


詳細については、RFC2233 セクション 3.1.6 カウンターサイズを参照してください:
https://www.ietf.org/rfc/rfc2233.txt
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