All MIBs › QOS-COS-MIB › agentCosQueueMgmtWredDropProbScale
agentCosQueueMgmtWredDropProbScale
Module: QOS-COS-MIB
OID (symbolic): QOS-COS-MIB::agentCosQueueMgmtWredDropProbScale
OID (numeric): 1.3.6.1.4.1.7244.2.3.3.2.5.1.5
Node type: OBJECT-TYPE
Type: Unsigned32
Access: read-write
Description: A scaling factor used for the WRED calculation to determine the packet drop probability for the current drop precedence level. The value is specified as a number S from 1-15 and is used in the formula: 1/(2** S), meaning one packet is dropped out of every (2** S). Packet dropping begins when agentCosQueueMgmtWredMinThreshold is reached and proceeds linearly up to the (2**S) value specified by this object until the agentCosQueueMgmtWredMaxThreshold is reached, beyond which all packets are dropped. Smaller values of S produce a steeper slope, hence a higher incidence of randomly dropped packets.
The default value is 10, which corresponds to a drop rate of 1 out of every (2**10)=1024 packets.
This object is only used when agentCosQueueMgmtType is set to wred(2).
What is agentCosQueueMgmtWredDropProbScale?
Obsolete WRED drop-probability scaling factor S (1-15, default 10) used in the formula 1/(2**S) to set how aggressively packets get randomly dropped as the queue fills between its min and max thresholds; a smaller S means a steeper, more aggressive drop curve, and this object was superseded by the percentage-based agentCosQueueMgmtWredDropProbability.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.7244.2.3.3.2.5.1.5 snmpwalk -v2c -c public <target> QOS-COS-MIB::agentCosQueueMgmtWredDropProbScale
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.7244.2.3.3.2.5.1.5.1 snmpget -v2c -c public <target> QOS-COS-MIB::agentCosQueueMgmtWredDropProbScale.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.7244.2.3.3.2.5.1.5.1 i <value>
Start monitoring Quanta Computer Ethernet switch (Class of Service queueing) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the QOS-COS-MIB::agentCosQueueMgmtWredDropProbScale OID value, configure state conditions and alerts, and monitor any Quanta Computer Ethernet switch (Class of Service queueing) from a single console.
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 |
| 1.3.6.1.4.1.7244 | quanta | QUANTA-SWITCH-MIB |
| 1.3.6.1.4.1.7244.2 | switch | QUANTA-SWITCH-MIB |
| 1.3.6.1.4.1.7244.2.3 | qos | QOS-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.7244.2.3.3 | cos | QOS-COS-MIB |
| 1.3.6.1.4.1.7244.2.3.3.2 | agentCosQueueCfgGroup | QOS-COS-MIB |
| 1.3.6.1.4.1.7244.2.3.3.2.5 | agentCosQueueMgmtTable | QOS-COS-MIB |
| 1.3.6.1.4.1.7244.2.3.3.2.5.1 | agentCosQueueMgmtEntry | QOS-COS-MIB |
| 1.3.6.1.4.1.7244.2.3.3.2.5.1.5 | agentCosQueueMgmtWredDropProbScale | QOS-COS-MIB |