All MIBs › COMTROL-ES8510-MIB › portCtrlSpeedAndDuplex
portCtrlSpeedAndDuplex
Module: COMTROL-ES8510-MIB
OID (symbolic): COMTROL-ES8510-MIB::portCtrlSpeedAndDuplex
OID (numeric): 1.3.6.1.4.1.2882.2.1.1.3.1.1.1.4
Node type: OBJECT-TYPE
Type: INTEGER
Access: read-write
Description: Speed and duplex configuraion.
Different speed and duplex modes are available. There are speeds: 1000 megabits per second (Gigabit Ethernet), 100 megabits per second (Fast Ethernet), and 10 megabits per second (Legacy Ethernet).
Full-duplex allows packets to be transmitted in both directions at the same time, while half-duplex allows a device to either transmit or receive, but not both at the same time. Full-duplex may have double bandwidth than half-duplex.
You can configure manually from the possible options, listed from best to worst: 1Gb full-duplex(6) 100Mb full-duplex(5) 100Mb half-duplex(4) 10Mb full-duplex(3) 10Mb half-duplex(2)
Set to autoNegotiation(1) to allow the two interfaces on the link to exchange the capabilities and characteristics of the each side, and select the best operating mode automatically when a cable is plugged in.
What is portCtrlSpeedAndDuplex?
This read-write setting configures the link speed and duplex mode, such as auto-negotiation or fixed 10/100/1000 Mbps half- or full-duplex, that a specific port should use. Forcing a mismatched speed or duplex setting between a switch port and its connected device is a classic cause of poor performance or excessive errors, so admins typically leave this on auto-negotiation unless troubleshooting a specific compatibility issue. For example, if an older piece of equipment doesn't negotiate speed correctly, an admin might manually set this port to ten megabits full duplex to match the device's fixed configuration instead of relying on auto-negotiation.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.2882.2.1.1.3.1.1.1.4 snmpwalk -v2c -c public <target> COMTROL-ES8510-MIB::portCtrlSpeedAndDuplex
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.2882.2.1.1.3.1.1.1.4.1 snmpget -v2c -c public <target> COMTROL-ES8510-MIB::portCtrlSpeedAndDuplex.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.2882.2.1.1.3.1.1.1.4.1 i <value>
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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 |
|---|---|---|
| 1.3.6.1.4.1.2882 | comtrol | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2 | products | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1 | managedSwitch | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1 | es8510 | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.3 | portConfiguration | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.3.1 | portControl | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.3.1.1 | portCtrlTable | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.3.1.1.1 | portCtrlEntry | COMTROL-ES8510-MIB |
| 1.3.6.1.4.1.2882.2.1.1.3.1.1.1.4 | portCtrlSpeedAndDuplex | COMTROL-ES8510-MIB |