269a91b8_ch_for_VMware_vSphere____Cisco__1_New_and_Changed_Information_Feature
[Description] The system mtu command is removed and replaced by the mtu command for port profiles. [Changed in release] 4.2(1)SV1(4) [Where Documented] Creating a System Port Profile [Feature] 
system mtu command removed
Cisco Nexus 1000V Port Profile Configuration Guide, Release 4.2(1)SV2(1.1) - New and Changed Information [Cisco Nexus 1000V Switch for VMware vSphere] - Cisco