3Com 3CDSG8-US User Guide - Page 41

Working with Trunks, VLAN 1, VLANS > VLAN Settings, TRUNKS > Configuration, APPLY, CANCEL

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Page 41 highlights

Trunks 41 • The trunk is a member of VLAN 1 with a PVID of 1. The trunk will accept both tagged and untagged packets (see VLANS > VLAN Settings) Ports that are removed from a trunk, retain the configuration (i.e. Speed, Duplex, and Flow Control) that they had when they were members of the trunk. Ports that are added to the trunk after its creation, inherit the current configuration of the trunk. You can configure the trunks from the TRUNKS > Configuration page. There are three main buttons associated with this page: • HELP - Displays this text. • APPLY - Updates the switch configuration. No changes are made to the configuration until this button is pressed. • CANCEL - All changes made to the page are discarded and the switch configuration remains unchanged. 6.1.1 Working with Trunks You can create multiple links between devices that work as one virtual, aggregate link. A port trunk offers a dramatic increase in bandwidth for network segments where bottlenecks exist, as well as providing a fault-tolerant link between two devices. To create a trunk or add a port to an existing trunk (from the TRUNKS > Membership page): 1. Under one of the trunk columns (Trunk T1 to Trunk T4), click the tick-box of the port you would like to add to the trunk. You can choose a maximum of 8 ports or minimum of 1 port per trunk. 2. Click the APPLY button. To delete a trunk or remove a port from an existing trunk (from the TRUNKS > Membership page): 1. Under the Not a Trunk Member column, click the tick-box of the port you would like to remove from the trunk. If you remove all ports from a trunk then the trunk itself will be deleted. 2. Click the APPLY button. To configure an existing trunk (from the TRUNKS > Configuration page): 1. From the Speed/Duplex drop down menu, you can set the speed and duplex for all the ports in that trunk. 2. Click the Flow Control box to enable or disable flow control for all the ports in that trunk.

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Trunks
41
•
The trunk is a member of
VLAN 1
with a
PVID
of 1. The trunk will accept both tagged
and untagged packets (see
VLANS > VLAN Settings
)
Ports that are removed from a trunk, retain the configuration (i.e. Speed, Duplex, and Flow
Control) that they had when they were members of the trunk. Ports that are added to the trunk
after its creation, inherit the current configuration of the trunk.
You can configure the trunks from the
TRUNKS > Configuration
page.
There are three main buttons associated with this page:
•
HELP
- Displays this text.
•
APPLY
- Updates the switch configuration. No changes are made to the configuration
until this button is pressed.
•
CANCEL
- All changes made to the page are discarded and the switch configuration
remains unchanged.
6.1.1
Working with Trunks
You can create multiple links between devices that work as one virtual, aggregate link. A port
trunk offers a dramatic increase in bandwidth for network segments where bottlenecks exist, as
well as providing a fault-tolerant link between two devices.
To create a trunk or add a port to an existing trunk (from the TRUNKS > Membership page):
1.
Under one of the trunk columns (
Trunk T1 to Trunk T4
), click the tick-box of the port
you would like to add to the trunk. You can choose a maximum of 8 ports or minimum
of 1 port per trunk.
2.
Click the APPLY button.
To delete a trunk or remove a port from an existing trunk (from the TRUNKS > Membership
page):
1.
Under the
Not a Trunk Member
column, click the tick-box of the port you would like
to remove from the trunk. If you remove all ports from a trunk then the trunk itself will
be deleted.
2.
Click the APPLY button.
To configure an existing trunk (from the TRUNKS > Configuration page):
1.
From the
Speed/Duplex
drop down menu, you can set the speed and duplex for all the
ports in that trunk.
2.
Click the
Flow Control
box to enable or disable flow control for all the ports in that
trunk.