Setting ageing time to zero makes all entries permanent. # brctl setageing //bridgename// //time// Normally there should be no need to modify this parameter, but it can be changed with (time is in seconds). The entries in the forwarding database are periodically timed out to ensure they won't stay around forever. The aging time is the number of seconds a MAC address will be kept in the forwarding database after having received a packet from this MAC address. Once a bridge is running the brctl showmacs will show information about network addresses of traffic being forwarded (and the bridge itself). The brctl show command gives you a summary about the overall bridge status, and the instances running as shown below:īridge name bridge id STP enabled interfaces
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