All MIBs › DXA550-MIB › cIcmpInDestUnHostProhib
cIcmpInDestUnHostProhib
Module: DXA550-MIB
OID (symbolic): DXA550-MIB::cIcmpInDestUnHostProhib
OID (numeric): 1.3.6.1.4.1.187.3.5.31
Node type: OBJECT-TYPE
Type: Counter
Access: read-only
Description: Number of ICMP Communication with Host Administratively Prohibited Destination Unreachable messages received.
What is cIcmpInDestUnHostProhib?
Counts ICMP Destination Unreachable messages received with the Communication-with-Host-Administratively-Prohibited code, i.e. a firewall or ACL upstream explicitly blocking traffic to a host. A rising count is a useful signal that outbound traffic is being filtered somewhere on the path, not merely dropped by routing.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.187.3.5.31 snmpwalk -v2c -c public <target> DXA550-MIB::cIcmpInDestUnHostProhib
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.187.3.5.31.1 snmpget -v2c -c public <target> DXA550-MIB::cIcmpInDestUnHostProhib.1
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OID Breakdown
Upper-level ancestors (6 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 |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.187 | datability | DXA550-MIB |
| 1.3.6.1.4.1.187.3 | cStdExtensions | DXA550-MIB |
| 1.3.6.1.4.1.187.3.5 | cIcmp | DXA550-MIB |
| 1.3.6.1.4.1.187.3.5.31 | cIcmpInDestUnHostProhib | DXA550-MIB |