MikroTik RouterOS v2.9 - Monitoring the Interface Status; Troubleshooting

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Flags: X - disabled, D - dynamic, R - running

# NAME TYPE RX-RATE TX-RATE MTU

0 R ether1 ether 0 0 1500

[admin@MikroTik] > interface ethernet

[admin@MikroTik] interface ethernet> print

Flags: X - disabled, R - running

# NAME MTU MAC-ADDRESS ARP

0 R ether1 1500 00:0C:42:03:00:F2 enabled

[admin@MikroTik] interface ethernet> print detail

Flags: X - disabled, R - running

0 R name="ether1" mtu=1500 mac-address=00:0C:42:03:00:F2 arp=enabled

disable-running-check=yes auto-negotiation=yes full-duplex=yes

cable-settings=default speed=100Mbps

[admin@MikroTik] interface ethernet>

Monitoring the Interface Status

Command name: /interface ethernet monitor

Property Description

status ( link-ok | no-link | unknown ) - status of the interface, one of the:

• link-ok - the card has connected to the network

• no-link - the card has not connected to the network

• unknown - the connection is not recognized

rate ( 10 Mbps | 100 Mbps | 1 Gbps ) - the actual data rate of the connection

auto-negotiation ( done | incomplete ) - fast link pulses (FLP) to the adjacent link station to

negotiate the SPEED and MODE of the link

• done - negotiation done

• incomplete - negotiation failed

full-duplex ( yes | no ) - whether transmission of data occurs in two directions simultaneously

Notes

See the IP Addresses and ARP section of the manual for information how to add IP addresses to

the interfaces.

Example

[admin@MikroTik] interface ethernet> monitor ether1,ether2

status: link-ok link-ok

auto-negotiation: done done

rate: 100Mbps 100Mbps

full-duplex: yes yes

Troubleshooting

Description

• Interface monitor shows wrong information

In some very rare cases it is possible that the device driver does not show correct information,

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