aaa authentication line default methode1 methode2
aaa authentication login default
aaa new model

clear ip ospf proces

default-information originate

"interface sub-command:
  bandwidth speed"

"interface sub-command:
  ip mtu xxx
  ip ospf cost x
  ipv6 mtu xxx"

ip address negotiated

ip host Server 172.16.20.254

ipv6 access-list Block_Telnet

ipv6 host Server1 2001:db8:3c4d:1:a14c:8c3:2d1:be3d

"OSPF sub-command:
  auto-cost reference-bandwidth speed
  router-id 3.3.3.3"

ppp authentication chap
ppp authentication chap pap
ppp authentication pap
ppp authentication pap chap
ppp pap sent-username R2 password cisco

spanning-tree mode rapid-pvst
spanning-tree vlan 2 priority 16384
spanning-tree vlan 3 root primary
spanning-tree vlan 3 root secondary

telnet 172.16.20.254 80