An introduction to Linux bridging commands and features

A Linux bridge is a kernel module that behaves like a network switch, forwarding packets between interfaces that are connected to it. It's usually used for forwarding packets on routers, on gateways, or between VMs and network namespaces on a host. The Linux bridge has included basic support for the Spanning Tree Protocol (STP), multicast, and Netfilter since the 2.4 and 2.6 kernel series. Features that have been added in more recent releases include: Configuration via Netlink VLAN filter VxLAN ...

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