C
SNMP Agent with MIB II & RS-232  like group
NPort 5200 has a 
RFC1213 
System MIB  | Interfaces MIB  | IP MIB | ICMP MIB | 
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SysDescr  | itNumber  | ipForwarding  | IcmpInMsgs  | 
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SysObjectID  | ifIndex  | ipDefaultTTL  | IcmpInErrors  | 
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SysUpTime  | ifDescr  | ipInreceives  | IcmpInDestUnreachs  | 
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SysContact  | ifType  | ipInHdrErrors  | IcmpInTimeExcds  | 
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SysName  | ifMtu  | ipInAddrErrors  | IcmpInParmProbs  | 
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SysLocation  | ifSpeed  | ipForwDatagrams  | IcmpInSrcQuenchs  | 
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SysServices  | ifPhysAddress  | ipInUnknownProtos  | IcmpInRedirects  | 
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  | ifAdminStatus  | ipInDiscards  | IcmpInEchos  | 
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  | ifOperStatus  | ipInDelivers  | IcmpInEchoReps  | 
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  | ifLastChange  | ipOutRequests  | IcmpInTimestamps  | 
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  | ifInOctets  | ipOutDiscards  | IcmpTimestampReps  | 
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  | ifInUcastPkts  | ipOutNoRoutes  | IcmpInAddrMasks  | 
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  | ifInNUcastPkts  | ipReasmTimeout  | IcmpOutMsgs  | 
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  | ifInDiscards  | ipReasmReqds  | IcmpOutErrors  | 
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  | ifInErrors  | ipReasmOKs  | IcmpOutDestUnreachs  | 
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