Hi, can I use harvester with 1 Nic? Went to the C...
# harvestera
agreeable-carpenter-15999
10/08/2025, 2:12 AMHi, can I use harvester with 1 Nic? Went to the Cluster Network Configuration, created rke-lan and went to Create Network configuration and in the uplink section I could not select any Nics as they were greyed out.
b
bland-article-62755
10/08/2025, 3:29 AMThat'll happen if there's no link, or if they're already used in a config.
bland-article-62755
10/08/2025, 3:32 AMYou can totally used tagged traffic off 1 Nic, though I'd recommend bonding two.
bland-article-62755
10/08/2025, 3:33 AMIf you tag a new vlan to your mgmt interface nic, you can create a Virtual Machine Network that will break out that VLAN from the mgmt interface or bond that you already set up.
a
abundant-camera-87627
10/08/2025, 8:26 AMAnswer to your question: Skip creating a cluster network and instead create a VM network that uses
mgmtabundant-camera-87627
10/08/2025, 8:28 AMBe aware, that it will adversely affect your network bandwidth for Longhorn replication and/or KubeVirt migrations.
b
bland-article-62755
10/08/2025, 1:46 PMThat depends on a lot of things, but yes it can.
bland-article-62755
10/08/2025, 1:47 PMLike if you have dual hundred gig bonded links and a three node cluster you probably won't notice.