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5.7 Configuring NIC bonding
Bonding of multiple NICs into a virtual NIC can increase availability of network communication and provide load
distribution and redundancy. The CE50-10 supports bonding by using the standard function of Linux. This section
describes how to configure bonding. For details, see the online manual.
5.7.1 Configuring the network definition file
To use the bonding function, add definition information to the network definition file.
1. Edit the network definition file.
Network definition file: /etc/netplan/50-cloud-init.yaml
network:
version: 2
renderer: networkd
ethernets:
ethX:
ethY:
bonds:
eth-bonds:
(A)
Define the virtual interface eth-bond, and then bond ethX and ethY, which are specified as slave
interfaces.
(B)
Set the bonding operation mode.
2. Apply the IP addresses.
Run the following command or restart the unit.
$ sudo ip_duplichk_start
5.7.2 Bonding operation modes
Bonding has seven operation modes. Select the mode appropriate for your purpose. By default, balance-rr is
selected. The following table lists the operation modes.
Table 5‒5: Bonding operation modes
Operation mode
balance-rr
active-backup
balance-xor
Broadcast
802.3ad
balance-tlb
addresses:
- 192.168.10.X/24
addresses:
- 192.168.10.Y/24
interfaces: [ethX, ethY] --- (A)
addresses:
- 192.168.10.Z/24
parameters:
mode: balance-rr
Packets are sent by using all slave interfaces in turn (round-robin).
Packets are sent by using only one slave interface as the active interface.
Packets are sent by using the send slave interface determined based on the MAC addresses of the
sender and destination.
The same packet is sent from all slave interfaces.
Link aggregation conforming to IEEE 802.3ad (LACP) is performed.
Packets are sent by using the send slave interface determined according to the loads on the slave
interfaces.
5. Configuring Software Environment
--- (A)
--- (A)
--- (B)
Description
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