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To set the frame size for one or more ports or LAGs:
1. Launch a web browser.
2. In the address field of your web browser, enter the IP address of the switch.
The login page displays.
3. In the Login Name field, enter admin as the user name, in the Password field, enter
your local device password, and click the AV UI Login button.
The first time that you log in, no password is required. However, you then must
specify a local device password to use each subsequent time that you log in.
The Overview page displays.
4. Select Configure > Port configuration.
The Port Configuration page displays.
5. Click the Port Interface Settings link:
The Interface Settings page displays.
6. Select the one or more ports to which the settings must apply by clicking individual
ports or, to select all ports, select the Select All Ports check box.
If you configured LAGs (see Link Aggregation on page 33), you can also select one
or more LAGs.
7. In the Frame Size field, enter a value from 1500 ( the minimum) to 9198 (the
maximum).
The default value is 9198.
8. Click the Apply button.
Your settings are saved.
9. To save the settings to the running configuration, at the top of the page, click the
Save icon or text.
Configure flow control for one or more
interfaces
You can configure IEEE 802.3x flow control, which can help to prevent data loss when
the port cannot keep up with the number of frames being switched:
• Symmetric flow control: With symmetric flow control, the switch can send a pause
frame to stop traffic on the port if the amount of memory used by the packets on the
port exceeds a preconfigured threshold and responds to pause requests from partner
Port Configuration
AV Line of Fully Managed Switches M4250 Series
59
Audio Video User Manual
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