Quantum DXi8500, User Manual

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Chapter 9: DXi8500 Configuration
System
372 Quantum DXi8500 User’s Guide
Note: All ports associated with a bond must have the same link
speed (1GbE or 10GbE).
3 For each bonded device, specify the bonding mode:
Note: To maintain network connectivity, the switch connected to
the DXi8500 must be configured to use the same bonding
mode. The best time to change the bonding mode on the
switch is during the next reboot of your system, after
saving the new network settings. Changing the bonding
mode on the switch before saving these settings and
rebooting may result in the loss of network connectivity to
the system.
• Round Robin (Mode 0) - This option sends Ethernet frames
using the bonded Ethernet ports with a valid MII link. Frames
are sent in a round-robin fashion, starting with the first slave
device and then the rest of the devices. This only applies to the
traffic sent from the DXi8500. The Ethernet switch needs to
aggregate the ports, so the connected ports are treated as a
logical port. The DXi frame reception is completely dependent
on the transmission algorithm of the Ethernet switch. The
bonding mechanism does not balance the frame reception.
• LACP (Mode 4) - This option (Link Aggregation Control
Protocol) is based on the 802.3ad IEEE standard for aggregating
Ethernet ports. If the bonding algorithm is set to LACP, the
Ethernet switch ports must be configured in a 802.3ad based
Link Aggregation group (LAG) in LACP mode. The DXi frame
reception and transmission is controlled by the LACP between
the bonded ports and the Ethernet switch ports.
• Active Backup (Mode 1) - This option does not require switch
configuration but may not provide the same level of load
balancing and performance as other bonding modes. Only one
port in the bond is active at a time. If the active port fails,
another port becomes active to take its place. Because only the
MAC address of the active port is visible to the Ethernet switch,
the switch does not require additional configuration.
4 Click Update to save the changes you made to the Bonding Details
table. (Clicking Update does not yet apply the new network settings
to the DXi8500.)