PPPoE

IP Configuration Protocol (IPCP) config# interface dialer1 config-if# ip address negotiate

8 byte PPP header; PPPoE MTU 1492 bytes

MTU mismatch prevents connection from coming up

=Configuration=

config# interface fa01 config-if# ip address 192.168.100.1 255.255.255.0 config-if# ip nat inside config-if# pppoe-client dial-pool-number 1 config# interface dialer1 config-if# mtu 1492 config-if# encapsulation ppp config-if# ip address negotiated config-if# ppp authentication chap config-if# ip nat outside config-if# dialer pool 1 config-if# dialer-group 1 config# dialer-list 1 protocol ip permit config# ip nat inside source list 1 interface dialer1 overload config# access-list 1 permit 192.168.100.0 0.0.0.255 config# ip route 0.0.0.0 0.0.0.0 dialer1

=View/Debug Commands=

show pppoe session debug pppoe [data|errors|events|packets]