QTECH QSW-3400 Инструкция по настройке - Manual (Page 101)

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Chapter 11 MTU Configuration
11.1 Introduction to MTU
So far the Jumbo (Jumbo Frame) has not reach a determined standard in the industry
(including the format and length of the frame). Normally frames sized within 1519-9000 should
be considered jumbo frame. Networks with jumbo frames will increase the speed of the whole
network by 2% to 5%. Technically the Jumbo is just a lengthened frame sent and received by
the switch. However considering the length of Jumbo frames, they will not be sent to CPU. We
discard the Jumbo frames sent to CPU in the packet receiving process.
11.2 MTU Configuration Task Sequence
1. Configure enable MTU function
Command Explanation
Global Mode
mtu [<mtu-value>]
no mtu enable
Configure the MTU size of JUMBO frame,
enable the receiving/sending function of
JUMBO frame. The no command disables
sending and receiving function of MTU
frames.