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FTP slow with USG2100

Publication Date:  2012-11-09 Views:  186 Downloads:  0

Issue Description

FTP became intermittent slow.

Alarm Information

No alarm generated

Handling Process

Advice customer to remove the command line firewall tcp-mss mss-value.

Root Cause

The command below causing the issue.

firewall tcp-mss mss-value

Parameter Description Value
mss-value Specifies the maximum length of the data segment of the TCP packet that can be sent by the peer device. The value ranges from 100 to 1460, in bytes. The default value is 1460.


Advice user not to add the command line firewall tcp-mss mss-value, if he is not sure the function of it.