cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
682
Views
0
Helpful
1
Replies

VACL problems with DHCP

andresfmg
Level 1
Level 1

Hi

I configuted a 3 vlans, vlan 10,vlan 20 and 30

the vlan 10 have the dhcp server 192.168.10.4, and every vlan had ip helper-address 192.168.10.4, everythings wotks fine,but when a aplied VACL to restrics some comunications between vlans, the computers dont get the ip address from de dhcp, this is my configuration:

ip access-list standard lista

permit 192.168.10.0 0.0.0.255 any

permit ip any 192.168.10.0 0.0.0.255

permit ip 192.168.20.0 0.0.0.255 192.168.20.0 0.0.0.255

permit ip 192.168.30.0 0.0.0.255 192.168.30.0 0.0.0.255

!

vlan access-map intervlan_map

match ip address lista

action forward

!

vlan filter intervlan_map vlan-list 20-30

i granted everithig i want , the vlans 20 y 30 cant comunicate between them but can communicate with vlan 10, and the vlan 10 can communicate with vlan 20 y 30, everything works fine but the pc of the vlan 20 and 30 cant get ip address from the server of the vlan 10 192.168.10.4 but they can ping to the server, i dont understand why cant get ipn address, pls help.

1 Reply 1

ariesc_33
Level 1
Level 1

first you have to check if the directed DHCP broadcast is received by the DHCP server.

when you havent configured VACL, what ip address/segment were assigned by the DHCP on vlan 10, 20 and 30?

Getting Started

Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community:

Review Cisco Networking products for a $25 gift card