list access inter vlan routing

I've implemented on cisco switch access list 3560, but it never works.

I want to block access to network B to network A and allow Ato b

10.0.12.0/24 network.

B 10.0.24.0/24 network

The configuration is

interface Vlan1

Data VLAN description

10.0.12.10 IP address 255.255.255.0

!

interface Vlan24

training description VLAN

IP 10.0.24.10 255.255.255.0

!

IP classless

IP route 0.0.0.0 0.0.0.0 10.0.12.1

IP http server

IP http secure server

!

activate the IP sla response alerts

access-list 101 permit ip 10.0.12.0 0.0.0.255 10.0.24.0 0.0.0.255

access-list 101 deny ip 10.0.24.0 0.0.0.255 10.0.12.0 0.0.0.255

access list 101 ip allow a whole

Y at - it an idea that I can block the access of 10.0.24.0/24 t0 10.0.12.0/24

Hi Marc,

I see that you have created the access list but you have not applied it on the interface with the command "ip access-group. For that to work, you must apply the acl on the L3 interface as below.

If you change the configuration as below.

no access list 101 didn't allow ip 10.0.12.0 0.0.0.255 10.0.24.0 0.0.0.255

access-list 101 deny ip 10.0.24.0 0.0.0.255 10.0.12.0 0.0.0.255

access list 101 ip allow a whole

!

interface Vlan24

training description VLAN

IP 10.0.24.10 255.255.255.0

IP access-group 101 in

Concerning

Najaf

Please rate when there is place or useful!

Tags: Cisco Network

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    Burt

    Burt Hello, good evening,

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    Please check this and let me know, and if necessary I'll lab this for you as well.  Please let me know,

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  • RV042G router - Inter VLAN

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    Christopher Ebert - Advanced Network Support Engineer

    Cisco Small Business Support Center

    * Please note the useful messages *.

  • RV220W Inter VLAN firewall rules

    Hello

    I just bought RV220W Cisco router for our branch to replace Zywall 2 Plus.  Update to the latest firmware 1.0.5.8 device.

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    Hello

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