# ppp mru

#### Syntax

ppp mru mruSize

no ppp 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 PPP or MLPPP interfaces. If you issue the command in the context of an encapsulated PPP or MLPPP interface, it affects only that interface. If you issue the command in the context of an MLPPP bundle, it affects all member links within that bundle. The no version restores the default value, the lower-layer MRU minus the PPP header length, which varies according to module type.

#### Options

- mruSize—Maximum allowable size of the MRU; number of bytes in the range 64–65535

#### Mode

Interface Configuration, Profile Configuration, Subinterface Configuration