All MIBs › CM-PERFORMANCE-MIB › cmEthernetTrafficPortStatsDhcpDropNoAssocIf
cmEthernetTrafficPortStatsDhcpDropNoAssocIf
Module: CM-PERFORMANCE-MIB
OID (symbolic): CM-PERFORMANCE-MIB::cmEthernetTrafficPortStatsDhcpDropNoAssocIf
OID (numeric): 1.3.6.1.4.1.2544.1.12.5.1.21.1.56
Node type: OBJECT-TYPE
Type: PerfCounter64
Access: read-only
Description: Counter of DHCP packets dropped by CPU due to no associated Traffic IP Interface found.
What is cmEthernetTrafficPortStatsDhcpDropNoAssocIf?
This counter records the number of DHCP packets dropped on this port by the CPU because no associated Traffic IP Interface could be found for them. A rising count tells the admin that DHCP requests are arriving on this port but can't be mapped to a configured IP interface, meaning affected subscribers will fail to obtain an address. For example, if a newly provisioned customer can't get a DHCP lease, the admin would check cmEthernetTrafficPortStatsDhcpDropNoAssocIf on that port to see if the request is being dropped for lack of a matching Traffic IP Interface.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.21.1.56 snmpwalk -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetTrafficPortStatsDhcpDropNoAssocIf
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2544.1.12.5.1.21.1.56.1 snmpget -v2c -c public <target> CM-PERFORMANCE-MIB::cmEthernetTrafficPortStatsDhcpDropNoAssocIf.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> cmEthernetTrafficPortStatsDhcpDropNoAssocIf.1
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OID Breakdown
Upper-level ancestors (9 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.2544 | advaMIB | ADVA-MIB |
| 1.3.6.1.4.1.2544.1 | products | ADVA-MIB |
| 1.3.6.1.4.1.2544.1.12 | fsp150cm | ADVA-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.2544.1.12.5 | cmPerformanceMIB | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1 | cmPerfObjects | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.21 | cmEthernetTrafficPortStatsTable | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.21.1 | cmEthernetTrafficPortStatsEntry | CM-PERFORMANCE-MIB |
| 1.3.6.1.4.1.2544.1.12.5.1.21.1.56 | cmEthernetTrafficPortStatsDhcpDropNoAssocIf | CM-PERFORMANCE-MIB |