C
HAPTER
6
| Link Aggregation
Creating Trunk Groups
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◆ When configuring static trunks on switches of different types, they
must be compatible with the Cisco EtherChannel standard.
◆ The ports at both ends of a trunk must be configured in an identical
manner, including communication mode (that is, speed, duplex mode
and flow control), VLAN assignments, and CoS settings.
◆ Any of the ports on the front panel can be trunked together, including
ports of different media types.
◆ All the ports in a trunk have to be treated as a whole when moved
from/to, added or deleted from a VLAN.
◆ STP, VLAN, and IGMP settings can only be made for the entire trunk.
CREATING TRUNK GROUPS
Use the Trunk Group Setting page to configure the aggregation type and
members of each trunk group.
USAGE GUIDELINES
◆ When configuring static trunks, you may not be able to link switches of
different types, depending on the manufacturer's implementation.
However, note that the static trunks on this switch are Cisco
EtherChannel compatible.
◆ To avoid creating a loop in the network, be sure you add a static trunk
using the configuration interface before connecting the ports, and also
disconnect the ports before removing a static trunk through the
configuration interface.
◆ Trunk Group Settings also apply to LACP (see “Configuring LACP” on
page 54).
PARAMETERS
The following parameters are displayed on the configuration page for Trunk
Groups:
◆ Group ID – Trunk identifier. (Range: Trunk1-Trunk8)
◆ Type – Selects the trunk type; Static or LACP.
◆ Ports – Selects one or more ports to configure as a trunk. Hold down
the Ctrl key and click port numbers to selelct multiple ports. Hold down
the Shift key to select a range of ports. (Range: 1-26)
◆ LACP Active – Indicates ports in an LACP trunk that are members of
an active link.
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