10/31/2023 0 Comments Show mac on linuxSimilar to hardware bridge, Linux bridge maintains a layer-2 forwarding table (also known as MAC learning table, forwarding database, or just FDB), which keeps track of what MAC addresses are associated with which ports. We list files with it to see what’s in a directory. A Linux bridge is software implementation of a network bridge, which is part of Linux kernel. That might explain why there is more to this command than most users realize. The MAC layer headers of input packets are stripped out by the router, and new ones added to the outgoing packet. Those of us who hang around the command line use it day in and day out without even thinking about it. tcpdump(8) will only show you the local MACs (i.e., the MAC of the last leg router). Lists the open sockets in addition to active connectionsĭisplays the executable file involved in creating a connection or listening port (listener) (requires administrator privileges)Įthernet statistics (bytes received and sent, data packets, etc. ls Lists Files and Directories The ls command is probably the first command most Linux users encounter.
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