Network Administration 4-23
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Use this procedure to create a trunk in which only one interface is active at a time,
thereby ensuring access to a network. After you complete this procedure, the inter-
faces you specify are combined into a trunk in which one interface is active and the
others are ready to take over in case of failure of the active interface.
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You need the following items to complete the procedure:
A name for the trunk that meets the following criteria:
It must begin with a letter.
It must not contain a space.
It must not already be in use for a virtual interface.
Trunk names are case-sensitive.
A list of the interfaces you want to combine into the trunk.
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To create a trunk in which only one interface is active at a time, enter the following
command or put it in the /etc/rc file:
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trunk
is the name of the
trunk and
interfaces
is a list of the interfaces you want the trunk to consist of).
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The single-mode trunk shown on Single-Mode Trunks was created with the follow-
ing command:
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Use this procedure to specify an interface you prefer to be active in a single-mode
trunk. For example, if you are replacing or upgrading a physical interface and want the
new interface to be the active link, you make the new interface the preferred link.