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Multiple network interfaces and ARP flux

570 bytes removed, 01:02, 23 October 2009
The Simple Case
This page discusses working with multiple network interfaces on the [[Hardware Node]] (HN), how this results in ARP Flux, and how to address this.
==The Simple Case==In the simple case you have multiple network interfaces on the HN, all with IP addresses in the same subnet. Each of your containers also have IP addresses in the same subnet. You don't care which interfaces your containers Not sure if people use. Soit, no action is required. Everything just works. probably Setup OpenVZ normally. The only downside because there is '''ARP flux'''. This describes the usually harmless condition where the network address (layer 3) drifts between multiple hardware addresses (layer 2). While this may cause some confusion to anyone trouble shootingno driving factor now, or generate alarms on network monitoring systemsbut if google starts indexing that metadata, it doesnwe't interrupt network trafficll see more videos have metadata injected inFor an example of what this may look like, see the example and tcpdump captures below.
==A More Complex Case==
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