26
Table of Contents
Linksys
26
Table of Contents
Linksys
• By IP and MAC Addresses—Based on the destination and source IP
addresses for IP packets, and destination and source MAC addresses for
non-IP packets.
LAG Management
In general, a LAG is treated by the system as a single logical port. In particular,
the LAG has port attributes similar to a regular port, such as state and speed.
The device supports four LAGs.
Every LAG has the following characteristics:
• All ports in a LAG must be of the same media type.
• To add a port to the LAG, it cannot belong to any VLAN except the default
VLAN.
• Ports in a LAG must not be assigned to another LAG.
• No more than eight ports are assigned to a static LAG and no more than
16 ports can be candidates for a dynamic LAG.
• All the ports in a LAG must have auto-negotiation disabled, although the
LAG can have auto-negotiation enabled.
• When a port is added to a LAG, the configuration of the LAG is applied
to the port. When the port is removed from the LAG, its original
configuration is reapplied.
• Protocols, such as Spanning Tree, consider all the ports in the LAG to be
one port.
Default Settings and Configuration
Ports are not members of a LAG and are not candidates to become part of a LAG.
Static and Dynamic LAG Workflow
After a LAG has been manually created, LACP cannot be added or removed
until the LAG is edited and a member is removed. Only then the LACP field
is activated.
• To configure a static LAG, perform the following actions:
1.
Disable LACP on the LAG to make it static. Assign up to eight member
ports to the static LAG in the Port List to the LAG Port Member list.
Perform these actions in the LAGs page.
2.
Configure various aspects of the LAG, such as speed and flow control by
using the Edit LAG page.
To configure a dynamic LAG, perform the following actions:
1.
Enable LACP on the LAG. Assign up to 16 candidates ports to the
dynamic LAG by selecting and moving the ports from the Port List to
the LAG Port Member List by using the LAGs page.
2.
Configure various aspects of the LAG, such as speed and flow control by
using the LAGs page.
LAGs
The LAGs page displays global and per-LAG settings. The page also enables
you to configure the global settings and to select and edit the desired LAG on
the Edit LAG Membership page.
• To define the member or candidate ports in a LAG.
STEP 1 Click Configuration > Port Management > Link Aggregation > LAGs.
Information for each defined LAG is displayed.
STEP 2 Select the Load Balance Method:
• by MAC Address—(Default) Based on the destination and source MAC
addresses of all packets.
• by IP and MAC Address—Based on the destination and source IP addresses
for IP packets, and destination and source MAC addresses for non-IP
packets.
STEP 3 Select the LAG to be configured, and click Edit.
STEP 4 Enter the values for the following fields:
Operational Status—Displays the following:
• Port List—Move those ports that are to be assigned to the LAG from the
Port List to the LAG Port Member list. Up to eight ports per static LAG can
be assigned, and 16 ports can be assigned to a dynamic LAG.
• LAG Mode—Displays whether the LAG is up or down.
• Suspended LAG—Select to reactivate the LAG.
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