Tuesday, January 31, 2006

 

Troubleshooting Cisco IOS DHCP Relay. (Question #6)

A Cisco IOS router has been configured to act as a DHCP relay bewteen a DHCP client and a DHCP server. Assume that the server and client are configured properly. Given the following configuration on the DHCP relay router, can you determine why the client is unable to obtain an IP address from the DHCP server?

DHCP-RELAY#sh runn
Building configuration...

Current configuration : 660 bytes
!
hostname DHCP-RELAY
!
interface Ethernet0
ip address 20.1.1.1 255.255.255.0
ip access-group 101 in
ip helper-address 10.1.1.254
no keepalive
!
interface Ethernet1
ip address 10.1.1.1 255.255.255.0
no keepalive
!
access-list 101 deny udp any any
!
end

DHCP-RELAY#


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