All MIBs › ADN-MIB › adnAtmAccTrmPacketDiscard
adnAtmAccTrmPacketDiscard
Module: ADN-MIB
OID (symbolic): ADN-MIB::adnAtmAccTrmPacketDiscard
OID (numeric): 1.3.6.1.4.1.637.3.1.4.37.2.1.38
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-only
Description: Whether packet discard option is enabled, in the transmit direction, of this Virtual Channel Link (VCL). When this option is enabled all the low priority cells in the remaining of an ATM Adaptation Layer (AAL) 5 frame are discarded, as soon as one of the cell of the frame has been discarded. Common Name : Tail Packet Discard.
What is adnAtmAccTrmPacketDiscard?
This OID indicates whether Tail Packet Discard (TPD) is enabled on transmit, which drops all remaining low-priority cells in an AAL5 frame once one cell is dropped. Network engineers enable TPD to avoid wasting bandwidth on incomplete application-layer messages; when disabled, individual cells are dropped leaving partial packets that will be discarded by the application anyway. For example, when TPD is enabled and cell 5 of an 8-cell packet is dropped due to rate limiting, cells 6–8 are automatically discarded to avoid fragmentation.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.637.3.1.4.37.2.1.38 snmpwalk -v2c -c public <target> ADN-MIB::adnAtmAccTrmPacketDiscard
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.637.3.1.4.37.2.1.38.1 snmpget -v2c -c public <target> ADN-MIB::adnAtmAccTrmPacketDiscard.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 |
|---|---|---|
| 1.3.6.1.4.1.637 | alcatel | ADN-MIB |
| 1.3.6.1.4.1.637.3 | adn | ADN-MIB |
| 1.3.6.1.4.1.637.3.1 | adnMIB | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.4 | adnExtensions | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.4.37 | adnAtmMIB | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.4.37.2 | adnAtmAccTable | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.4.37.2.1 | adnAtmAccEntry | ADN-MIB |
| 1.3.6.1.4.1.637.3.1.4.37.2.1.38 | adnAtmAccTrmPacketDiscard | ADN-MIB |