Trunking Mode Characteristics
Active-backup
Only one NIC slave in the bond is active. A different slave becomes
active if and only if the active slave fails.
Dynamic link aggregation
Creates aggregation groups that share the network speed and duplex
settings. Utilizes all slave network interfaces in the active aggregator
group according to the 802.3ad specification.
Note: To use this mode, a separate intelligent switch that supports
IEEE 802.3ad is required. Configure LACP on the switch first.
TLB
The outgoing network packet traffic is distributed according to the
current load (relative to the speed) on each network interface slave.
ALB
The incoming and outgoing network packet traffic is distributed
according to the current load on each network interface slave. The
receive load balancing is achieved by ARP negotiation.
Notes:
• If the TeraStation is being used as an iSCSI drive, disable iSCSI before changing network settings such as port
trunking. Navigate to Storage> iSCSI in Settings and move the iSCSI switch to the off position temporarily.
• If you have selected dynamic link aggregation for the port trunking mode on the TS3020 series TeraStations,
the link speed for LAN port 2 will be limited to up to 1000 Mbps. Disable the auto negotiation settings on the
connected intelligent switch.
• If you have selected a port trunking mode other than dynamic link aggregation on the TS3020 series TeraStations,
the port with the faster link speed will be used for access. You can check the link speed of each port from the
Dashboard in Settings.
1 Connect the hub’s LAN port and TeraStation’s LAN port using two Ethernet cables. If you are using an
intelligent switch, connect the LAN port that was previously configured for port trunking.
2 From Settings, click Network.
3 Click the settings icon ( ) to the right of “Port Trunking”.
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Chapter 9 Network Settings
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