Anduin Xue

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Interface selection when Linux has multiple network interface at the same time

Problem background I recently built multiple subnets for my data center. And I connected two interfaces of a Linux device to two subnets at the same time. file When I run ifconfig, below networks are shown: file Only the Green network has Internet access. The blue network is pure internal network. However, when I try to access the Internet, it may fail with message: destination host unreachable. …

IP Linux Network Routing Interface

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