08-23-2008 05:12 AM
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
Anis
08-28-2008 02:27 PM
To configure an access list for use with committed access rate (CAR) policies, use the access-list rate-limit global configuration command
access-list rate-limit acl-index {precedence | mac-address | exp | mask mask}
The following command help you to get more info:
http://www.cisco.com/en/US/docs/ios/12_2/switch/command/reference/xrfscmd1.html#wp1057318
08-28-2008 08:44 PM
Thanks Dear,
But from the link provided I am not able to understand how to provide precedence to some IPs for SMTP only. In my case I have 2 MB Internet Link & I want to restrict 1.5 MB for SMTP only for some IPs.
Anis
08-28-2008 09:06 PM
let say the IPs are 192.168.1.2 192.168.1.3
do like ;
access-list 100 permit tcp host 192.168.1.2 any eq 25
access-list 100 permit tcp host 192.168.1.3 any eq 25
class-map smtp
match access-group 100
policy-map smtp-policy
class smtp
police 150000 exceed-action drop
interface [outside interface to WAN]
service-policy output smtp-policy
if helpful rate
08-28-2008 09:38 PM
Thanks Dear,
Actually I have already applied the ACL as suggested but towards Inside and the problem I am facing in it is users are not able to receive attachments (in mail) more than 1 to 1.5 MB although Mail is coming. Hope this is becoz we have given 'drop' as action but I have tried other options also but the result is same.
Anis
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