# mru

#### Syntax

mru mruSize

no mru

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Sets the maximum allowable size in bytes of the maximum receive unit for interfaces on cOCx/STMx, COCX-F3, CT3, and POS modules. The no version restores the default value, which varies according to module type.

#### Options

- mruSize—Maximum allowable size of the MRU; default and range varies with module type:
  - Interfaces on cOCx/STMx, CT3, and COCX-F3 modules—Number in the range 4–9996; default value is 1600
  - Interfaces on POS modules—Number in the range 1–9996; default value is 4470

#### Mode

Interface Configuration