All MIBs › PMA-MIB › ibPmaPortXmitDiscard
ibPmaPortXmitDiscard
Module: PMA-MIB
OID (symbolic): PMA-MIB::ibPmaPortXmitDiscard
OID (numeric): 1.3.6.1.3.117.6.1.1.1.1.8
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-only
Description: Total number of outbound packets discarded by the port because the port is down or congested. Reasons for this include: - output port is in the inactive state - packet length exceeded neighbor MTU - switch lifetime limit exceeded - switch HOQ limit exceeded May also include packets discarded while in VLStalled state.
What is ibPmaPortXmitDiscard?
Counts outbound packets this port discarded because it was down or congested, for reasons such as an inactive output port, exceeding the neighbor's MTU, or hitting a switch lifetime or head-of-queue limit. A rising count signals downstream congestion or a link that keeps bouncing.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.3.117.6.1.1.1.1.8 snmpwalk -v2c -c public <target> PMA-MIB::ibPmaPortXmitDiscard
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.3.117.6.1.1.1.1.8.1 snmpget -v2c -c public <target> PMA-MIB::ibPmaPortXmitDiscard.1
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> ibPmaPortXmitDiscard.1
Start monitoring vendor-neutral, standards-based MIB, InfiniBand host channel adapter/switch (Performance Management Agent) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the PMA-MIB::ibPmaPortXmitDiscard OID value, configure state conditions and alerts, and monitor any vendor-neutral, standards-based MIB, InfiniBand host channel adapter/switch (Performance Management Agent) from a single console.
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 |
| 1.3.6.1.3 | experimental | APERTUS-NPG-MIB |
| 1.3.6.1.3.117 | pm | IB-PM-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.3.117.6 | ibPmaMIB | PMA-MIB |
| 1.3.6.1.3.117.6.1 | ibPmaObjects | PMA-MIB |
| 1.3.6.1.3.117.6.1.1 | ibPmaPortCntrsInfo | PMA-MIB |
| 1.3.6.1.3.117.6.1.1.1 | ibPmaPortCntrsTable | PMA-MIB |
| 1.3.6.1.3.117.6.1.1.1.1 | ibPmaPortCntrsEntry | PMA-MIB |
| 1.3.6.1.3.117.6.1.1.1.1.8 | ibPmaPortXmitDiscard | PMA-MIB |