Traffic between VLAN.

[mahmoodkhd]

Dears , 

I have question regarding to control traffic between VLAN.  My VLAN located in Core switch and I need to prevent VLAN 10 from Accessing VLAN 20 and the same time I need VLAN 20 to access VLAN 10.

  Please Advice

[Sandeep Choudhary]

Hi Mahmood,

how to block access from  vlan 1 to other vlan 2:

access-list 100 deny ip 192.168.1.0 0.0.0.255 192.168.2.0 0.0.0.255

access-list 100 permit ip any any

applied

interface vlan1

ip access-group 100 in

Regards

Please rate if it helps.

[cadet alain]

Hi,

if you do this then you will also restrain vlan  2 to speak to vlan 1, don't forget that IP communication is bidirectionnal.

Regards.

Alain

Don't forget to rate helpful posts.

[Sandeep Choudhary]

Hi Alain,

You are right, it will block from both side.

REgards