From: Sarah Newman > Sent: 15 November 2017 19:27 > Current memory and CPU usage for managing bridge fdb entries is unbounded. > Add a parameter max_fdb_count, controlled from sysfs, which places an upper > limit on the number of entries. Defaults to 1024. > > When max_fdb_count is met or exceeded, whether traffic is sent out a > given port should depend on its flooding behavior.
Does it make sense for a bridge to run in a mode where it doesn't remember (all the) MAC addresses from one of its interfaces? Rather than flood unknown addresses they are just sent to the 'everywhere else' interface. David