How can ftp service on non-standard port be load balanced using Cisco ACE.

[samarjitdas]

How can ftp service on non-standard port be load balanced using Cisco ACE.For example ftp service required on tcp 2000 port

[asharmav]

Hi Samarjit,

you can do this by specifying the port number in the class map that you create . Please find the below mentioend config guide where you can specify the tcp/udp port , range or ports or even the wild card to match the port.

http://www.cisco.com/en/US/docs/interfaces_modules/services_modules/ace/v3.00_A1/configuration/administration/guide/mapolcy.html#wp1318826

Regards

Abijith

[samarjitdas]

If I don't want to include port range in class map and still want to do load balancing in non standard ftp port, is it possible ?

[asharmav]

Yes, You should be able to do this by specifying the widcard "any"

Class-map XYZ

match virtual-address A.B.C.D any

This will load balance all traffic destined to VIP ip A.B.C.D on any port.

Regards

Abijith

[samarjitdas]

My requirement is to do load balance for active ftp service on port 2000. I want to include port # along with VIP as different ports are being used for different service with same VIP. I want to include port # along with VIP and do inspect somewhere which make ACE understand that request fis or FTP on 2000 but need some special handling for data port opening.

[Daniel Arrondo Ostiz]

Hi Samarjit,

You don't need to configure a port range or a wildcard, you just need to configure the FTP control port (what would be port 21 in the standard setup). Then, all the handling of the data ports is taken care by the FTP inspection mechanism.

To enable the inspection, you need to add the command "inspect ftp" into the multi-match policy, under the corresponding class.

I hope this helps

Daniel

[samarjitdas]

Hi

Can you please post me the required CLI configuration how to setup FTP on port 2000.

[Surya ARBY]

Just change the port in the class-map

http://docwiki.cisco.com/wiki/FTP_Load_Balancing_on_ACE_in_One-Arm_Mode_Configuration_Example