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SmartTrunk and the Configuration Screen
DLE22-MA,DLE32-MA,DLE23-MA and DLE33-MA User’s Guide 5-63
2. Press the SPACE bar until you see FULL or STANDARD.
3. Use the arrow keys to highlight the SAVE command on the bottom
line of the screen.
4. Press ENTER. The message “SAVED OK” is displayed.
5.20 SmartTrunk AND THE CONFIGURATION SCREEN
Before discussing the SmartTrunk Configuration screen and how to use it,
it is necessary to understand what SmartTrunk is and the port connection
and configuration rules that must be followed. Failure to follow these
rules will produce poor network performance. Refer to Appendix D,
About SmartTrunk, for basic information on SmartTrunking. For
SmartTrunk configuration rules, proceed to Section 5.20.1.
5.20.1 SmartTrunk Configuration Rules
The following rules must be followed when installing the DLE2X-MA
and DLE3X-MA to operate in a network configuration using
SmartTrunking. These rules also apply to other devices that support
Cabletron Systems’ SmartTrunk application.
1. Only ports designated as NETWORK ports, through Local or Remote
Management screens, will be considered for SmartTrunking.
2. All non-SmartTrunking interfaces MUST be designated as USER
ports.
3. A maximum of 12 ports may be used per instance, and there may only
be 8 instances per device.
4. If three or more devices are connected together for SmartTrunking,
then the ports that connect any of the two devices together MUST be
designated as USER ports to prevent a network loop condition. The
port with the least amount of bandwidth available would be the port(s)
that should be designated a “USER” port.
5. You cannot loop front panel ports back to the same standalone device.
If the devices are modules residing in a chassis, then you cannot loop
back to the same module in the same chassis or to different modules
within that chassis. This includes all backplane interfaces that may
display on the SmartTrunk Configuration screen.