Manual:Interface/Ethernet
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Summary
Sub-menu: /interface ethernet
Standards: IEEE 802.3
MikroTik RouterOS supports various types of Ethernet interfaces.
Properties
| Property | Description |
|---|---|
| arp (disabled | enabled | proxy-arp | reply-only; Default: enabled) | Address Resolution Protocol mode |
| auto-negotiation (yes | no; Default: yes) | When enabled, the interface "advertises" its maximum capabilities to achieve the best connection possible. Note: Auto-negotiation must be disabled on both ends, otherwise Ethernets may not work properly. Note2: Gigabit link cannot work with auto-negotiation disabled. |
| bandwidth (integer/integer; Default: unlimited/unlimited) | Sets max rx/tx bandwidth that will be handled by an interface. |
| cable-setting (default | short | standard; Default: default) | changes the cable length setting (only applicable to NS DP83815/6 cards) |
| disable-running-check (yes | no; Default: yes) | Disable running check. If this value is set to 'no', the router automatically detects whether the NIC is connected with a device in the network or not. |
| full-duplex (yes | no; Default: yes) | Defines whether the transmission of data appears in two directions simultaneously |
| l2mtu (integer; Default: ) | Layer2 Maximum transmission unit. Read more>> |
| mac-address (MAC; Default: ) | Media Access Control number of an interface. |
| master-port (name | none; Default: none) | Sets switch group master interface |
| mdix-enable (yes | no; Default: ) | Whether the MDI/X auto crosscable correction feature is enabled for the port |
| mtu (integer; Default: 1500) | Layer3 Maximum transmission unit |
| name (string; Default: ) | Name of an interface |
| speed (10Mbps | 100Mbps | 1Gbps; Default: max available) | Sets the data transmission speed of the interface. By default, this value is the maximal data rate supported by the interface |
Read-only properties
| Property | Description |
|---|---|
| running (yes | no;) | Whether interface is running. Note that some interface does not have running check and they are always reported as "running" |
| rx-1024-1518 (integer;) | |
| rx-128-255 (integer;) | |
| rx-1519-max (integer;) | |
| rx-256-511 (integer;) | |
| rx-512-1023 (integer;) | |
| rx-64 (integer;) | |
| rx-65-127 (integer;) | |
| rx-align-error (integer;) | |
| rx-broadcast (integer;) | |
| rx-bytes (integer;) | |
| rx-fcs-error (integer;) | |
| rx-fragment (integer;) | |
| rx-multicast (integer;) | |
| rx-overflow (integer;) | |
| rx-pause (integer;) | |
| rx-runt (integer;) | |
| rx-too-long (integer;) | |
| slave (yes | no;) | Whether interface is configured as a slave of another interface (for example Bonding) |
| switch (integer;) | ID to which switch chip interface belongs to. |
| tx-1024-1518 (integer;) | |
| tx-128-255 (integer;) | |
| tx-1519-max (integer;) | |
| tx-256-511 (integer;) | |
| tx-512-1023 (integer;) | |
| tx-64 (integer;) | |
| tx-65-127 (integer;) | |
| tx-align-error (integer;) | |
| tx-broadcast (integer;) | |
| tx-bytes (integer;) | |
| tx-fcs-error (integer;) | |
| tx-fragment (integer;) | |
| tx-multicast (integer;) | |
| tx-overflow (integer;) | |
| tx-pause (integer;) | |
| tx-runt (integer;) | |
| tx-too-long (integer;) |
Menu specific commands
| Property | Description |
|---|---|
| blink ([id, name];) | Blink Ethernet leds |
| monitor ([id, name];) | Monitor ethernet status. Read more>> |
| reset-counters ([id, name];) | Reset stats counters. Read more>> |
| reset-mac ([id, name];) | Reset MAC address to manufacturers default. |
Stats
RouterOS v3.22 introduces a new command:
/interface ethernet print stats
This command will display all kinds of other statistics if the interface is supporting them (currently only RB450G ether2-ether5 and also RB750 ether2-ether5). Complete list of properties can be found in section above
For example, output of ethernet stats on RB450G:
[admin@MikroTik] /interface ethernet> print stats
name: ether1-gateway ether2-local ether3-local ether4-local ether5-local
rx-broadcast: 22 31 3666 11
rx-pause: 0 0 0 0
rx-multicast: 4 7 1423 5
rx-fcs-error: 0 0 2 0
rx-align-error: 0 0 0 0
rx-runt: 0 0 0 0
rx-fragment: 0 0 1 0
rx-64: 0 0 0 0
rx-65-127: 8 14 21598 10
rx-128-255: 0 0 0 0
rx-256-511: 18 24 2245 6
rx-512-1023: 28926 7649 371938 24476
rx-1024-1518: 0 0 0 0
rx-1519-max: 0 0 0 0
rx-too-long: 0 0 0 0
rx-overflow: 0 0 0 0
rx-bytes: 15337844 4063737 199738064 12975401
tx-broadcast: 13 13 1496 8
tx-pause: 0 0 0 0
tx-multicast: 13 13 1496 8
tx-underrun: 0 0 0 0
tx-64: 0 0 0 0
tx-65-127: 26 26 2992 16
tx-128-255: 0 0 0 0
tx-256-511: 0 0 0 0
tx-512-1023: 0 0 0 0
tx-1024-1518: 0 0 0 0
tx-1519-max: 0 0 0 0
tx-too-long: 0 0 0 0
tx-collision: 0 0 0 0
tx-excessive-collision: 0 0 0 0
tx-multiple-collision: 0 0 0 0
tx-single-collision: 0 0 0 0
tx-excessive-deferred: 0 0 0 0
tx-deferred: 0 0 0 0
tx-late-collision: 0 0 0 0
tx-bytes: 2561 2561 294712 1576