Use the following command to convert IP addresse to a channel.
cs-c6506-41a> (enable) sh bndlhash
Usage: show bndlhash [address2]
mac address use: xx-xx-xx-xx-xx-xx;
ip address use:xxx.xxx.xxx.xxx
if channel_id is 0 then return hash value only, otherwise mod/port
cs-c6506-41a> (enable)