Configuring Ethernet Port Parameters Configuring Ethernet Ports
page 1-8 OmniSwitch AOS Release 7 Network Configuration Guide June 2013
To disable flow control for one or more ports, specify the disable parameter with the interfaces pause
command. For example:
-> interfaces 1/10 pause disable
Enabling and Disabling Enhanced Port Performance (EPP)
EPP can assist in connecting with SFF-8431 non-compliant or electrically deficient devices. EPP can be
used on some links to enhance the receive signal sampling resolution management and help to improve the
link integrity to the link partner. The following steps should be followed to determine if EPP should be
enabled:
1 Check the current link quality - Check the current link quality of the interface.
2 Diagnose any link quality issues - If the Link Quality is not ‘Good’. Perform a few basic trouble-
shooting steps to determine if the issue is with the link partner and whether enabling EPP can help
improve the quality.
3 Enable EPP - If it’s determined that the issue is with the link parter, enable EPP.
EPP - Product and Transceiver Support
Only certain transceivers support enabling EPP. Additionally, depending on the revision of the
OmniSwitch, there are port restrictions due to the power requirements of enabling EPP as shown in the
table below.
Product/Transceiver Support
Product Rev EPP Support
OS6900-X20 B11
B10 or less
No restriction
Only 5 ports can have EPP enabled
OS6900-X40 B11
B10 or less
No restriction
Only 5 ports in 1st group of 20 and 5 ports in 2nd group of
20
Expansion Board Any No restrictions
10-Gigabit Transceivers N/A Supported
1/40-Gigabit Transceivers N/A Not Supported
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