default routing on DHCP, PPPoE, dial Services

▣ default route on DHCP, PPPoE, dialer used environment

① on dialer (pppoe)

interface dialer1   ip route 0.0.0.0 0.0.0.0 dialer1

② on DHCP

interface fastethernet0/1   ip address dhcp

default route (auto installed) :

③ ignore installing default route from DHCP router (option 3)

interface fastethernet0/1   ip address dhcp   no ip dhcp client request router

ref) http://blog.ioshints.info/2007/06/dhcp-response-sets-default-route.html