I have a 2 MBps link and I want to to reserve 1.5 MBps for SMTP only. Pls suggest the best way to do this. Currently I have done thru 'rate-limit' as per below config. pls check the same and suggest the best configs.
rate-limit input access-group 102 2000000 375000 750000 conform-action transmit exceed-action drop
access-list 102 permit tcp any any eq smtp