i have a server where i use 1st interface as WAN (public ip 203.XXX.XXX.XXX) and 2nd interface as LAN (private ip 192.xxx.XXX.xxx). Now i want to use another interface to pass the same class ip used in 1st interface and manage bandwidth for the ip passes through it. I have added bridge and pass the ip that is working fine. but can not limit the bandwidth. please help me.
to limit bandwidth you must use routing instead of bridging.
try to route out ip address (or all subnet) via third interface. then bandwidth limit should work