SNR S2940-8G-v2 Switch Configuration Guide
MTU Configuration
Chapter 9
MTU Configuration
9.1 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.
9.2 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 receiv-
ing/sending function of JUMBO frame. The no command disables
sending and receiving function of MTU frames.
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