The esential part to make sure the LACP is working is shown below: cat /proc/net/bonding/bondeth0Īggregator selection policy (ad_select): stable Make sure both interfaces are up and running at the same speed. You can check the status of the interface by query the proc filesystem. etc/sysconfig/network-scripts/ifcfg-bondeth0Īnd replace the line saying BONDING_OPTS with this one: BONDING_OPTS="mode=802.3ad xmit_hash_policy=layer3+4 miimon=100 downdelay=200 updelay=5000 num_grat_arp=100"Īnd then restart the network interface: ifdown bondeth0ĭetermining if ip address 192.168.1.10 is already in use for device bondeth0. On each of the compute nodes open the following file: To configure LACP on Exadata you need to change the bondeth0 parameters. The protocol requires both – the server and the switch(es) to have the same settings to allow LACP to work properly. Link Aggregation Control Protocol (LACP), also known as 802.3ad is a methods of combining multiple physical network connections into one logical connection to increase throughput and provide redundancy in case one of the links should fail. Although the ports were running at 10Gbits and default configuration of Active/Passive works perfectly fine the customer wanted even distribution of traffic and workload across their core switches. During a recent X5 installation I had to configure Link Aggregation Control Protocol (LACP) on the client network of the compute nodes.
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