Nortel 450-24t 用户指南
Using the BayStack 450 10/100/1000 Series Switch
1-90
309978-D Rev 01
Before Configuring Trunks
When you create and enable a trunk, the trunk members (switch ports) take on
certain settings necessary for correct operation of the MultiLink Trunking feature.
certain settings necessary for correct operation of the MultiLink Trunking feature.
Before configuring your MultiLink Trunk, you must consider these settings, along
with specific configuration rules, as follows:
with specific configuration rules, as follows:
1.
Read the configuration rules provided in the next section, “MultiLink
Trunking Configuration Rules.”
Trunking Configuration Rules.”
2.
Determine which switch ports (up to four) are to become trunk members
(the specific ports making up the trunk):
(the specific ports making up the trunk):
•
A minimum of two ports are required for each trunk.
•
Ensure that the chosen switch ports are set to Enabled, using either the
Port Configuration screen (see “Port Configuration” on page 3-59) or
network management.
Port Configuration screen (see “Port Configuration” on page 3-59) or
network management.
•
Trunk member ports must have the same VLAN configuration.
3.
All network cabling should be complete and stable before configuring any
trunks, to avoid configuration errors.
trunks, to avoid configuration errors.
4.
Consider how the existing spanning tree will react to the new trunk
configuration (see “Spanning Tree Considerations for MultiLink
Trunks” on page 1-93).
configuration (see “Spanning Tree Considerations for MultiLink
Trunks” on page 1-93).
5.
Consider how existing VLANs will be affected by the addition of a trunk.
6.
After completing the preceding steps, see “MultiLink Trunk
Configuration” on page 3-64 for screen examples and field descriptions
that will help you configure your MultiLink Trunks.
Configuration” on page 3-64 for screen examples and field descriptions
that will help you configure your MultiLink Trunks.
MultiLink Trunking Configuration Rules
The MultiLink Trunking feature operates according to specific configuration
rules. When creating trunks, consider the following rules that determine how the
MultiLink Trunk reacts in any network topology:
rules. When creating trunks, consider the following rules that determine how the
MultiLink Trunk reacts in any network topology:
•
Any port that is currently configured for EAPOL-based security cannot be
configured as a MultiLink trunk member.
configured as a MultiLink trunk member.
•
Any port that participates in MultiLink Trunking must be an active port (set to
Enabled via the Port Configuration screen or through network management).
Enabled via the Port Configuration screen or through network management).