All MIBs › ACC-MIB › accDnUnreachs
accDnUnreachs
Module: ACC-MIB
OID (symbolic): ACC-MIB::accDnUnreachs
OID (numeric): 1.3.6.1.4.1.5.1.1.19.16
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Packets dropped due to node unreachable
What is accDnUnreachs?
This counter accumulates the number of packets that were dropped because the destination node was unreachable. Engineers monitor this metric to identify network connectivity problems or routing black holes. A counter value of 1523 indicates that 1523 packets destined for unreachable nodes have been discarded since the last reset.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5.1.1.19.16 snmpwalk -v2c -c public <target> ACC-MIB::accDnUnreachs
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.5.1.1.19.16.1 snmpget -v2c -c public <target> ACC-MIB::accDnUnreachs.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> accDnUnreachs.1
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OID Breakdown
Upper-level ancestors (7 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 |
| 1.3.6.1.4.1.5.1.1.19 | accDn | ACC-DN |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.5 | acc | ACC-MIB |
| 1.3.6.1.4.1.5.1 | accSBAR | ACC-MIB |
| 1.3.6.1.4.1.5.1.1 | accBRG | ACC-MIB |
| 1.3.6.1.4.1.5.1.1.19.16 | accDnUnreachs | ACC-MIB |