[Edgecore SONiC] MTU (Maximum Transmission Unit) Follow
Tested model & firmware version:
- Switch model name:
AS7326-56X
- Edgecore SONiC version:
202006.4
202012.2
Restriction:
- Known issue:
- It does not return failed if configure over-limit MTU size by SONIC-CLI, and the container will crash.(After 202012.2, we add the error handling for MTU configuration on SONIC-CLI.)
e.g: configure MTU 16000 on the interface.
admin@sonic:~$ show interface status Ethernet0
Interface Lanes Speed MTU FEC Alias Vlan Oper Admin Type Asym PFC
----------- ------- ------- ----- ----- ------------- ------ ------ ------- -------------- ----------
Ethernet0 1 10G 16000 none Eth1/1(Port1) routed up up SFP/SFP+/SFP28 N/A
- Default setting:
- MTU is 9100 by default
- MTU range is 1500 to 9216.
Procedure :
Step 1. Configure MTU 4000 on Ethernet0.
Example: MTU of Ethernet0 is 4000
Step 2. Save the configuration to config_db.json
Step 3. Check MTU parameter
by SONiC show command.
admin@sonic:~$ show interfaces status Ethernet0
Interface Lanes Speed MTU FEC Alias Vlan Oper Admin Type Asym PFC
----------- ----------- ------- ----- ----- ------- ------ ------ ------- -------------- ----------
Ethernet0 1 10G 4000 N/A Eth1/1 routed down up N/A N/A
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