1. Static Routing 3 Routers --------------------------------------- R1 en conf t do show ip route !! configure static routing for unknown networks ip route 192.168.2.0 255.255.255.0 192.168.4.2 !! configure static routing for 3.0/24 & 5.0/24 networks !! configure static route in R2 & R3 similarly ---------------------------------------------------------------------------------------------------------------------- 2. Static Routing 5 Routers --------------------------------------- North Router en conf t do show ip route !! configure static routing for unknown networks ip route 192.168.2.0 255.255.255.0 192.168.5.2 !! configure static routing for 3.0, 4.0, 6.0, 7.0, 8.0 networks !! configure static route in East, West, South & Central Routers --------------------------------------------------------------------------------------------------------------------- 3. Router as a DHCP Server ---------------------------------------- en conf t ip dhcp pool LAN1 network 192.168.1.0 255.255.255.0 default-router 192.168.1.1 dns-server 8.8.8.8 exit ip dhcp pool LAN2 network 192.168.2.0 255.255.255.0 default-router 192.168.2.1 dns-server 8.8.8.8 exit ip dhcp excluded-address 192.168.1.1 192.168.1.100 ip dhcp excluded-address 192.168.2.1 192.168.2.50 --------------------------------------------------------------------------------------------------------- 4. Subnetting 5 Networks ----------------------------------------- NA Host BA N1 1.0 1.1 - 1.30 1.31 N2 1.32 1.33 - 1.62 1.63 N3 1.64 1.65 - 1.94 1.95 N4 1.96 1.97 - 1.126 1.127 N5 1.128 1.129 - 1.158 1.159 R1 --------- en conf t int fa0/0 ip address 192.168.1.1 255.255.255.224 no shut exit int fa0/1 ip address 192.168.1.33 255.255.255.224 no shut exit int fa1/0 ip address 192.168.1.129 255.255.255.224 no shut exit ip route 192.168.1.64 255.255.255.224 192.168.130 ip route 192.168.1.96 255.255.255.224 192.168.130 do show ip route R2 --------- en conf t int fa0/0 ip address 192.168.1.65 255.255.255.224 no shut exit int fa0/1 ip address 192.168.1.97 255.255.255.224 no shut exit int fa1/0 ip address 192.168.1.130 255.255.255.224 no shut exit ip route 192.168.1.0 255.255.255.224 192.168.129 ip route 192.168.1.32 255.255.255.224 192.168.129 do show ip route ------------------------------------------------------------------------------------------------------------ 5. Summarization ---------------------- R1 en conf t ip route 192.168.0.0 255.255.252.0 192.168.4.1 do show ip route R2 en conf t ip route 10.0.0.0 255.0.0.0 192.168.4.2 do show ip route -------------------------------------------------------------------------------------------------------------------- 6. Router Security & Console -------------------------------------- en conf t enable secret cisco123 username admin1 secret admin1pass line console 0 login local exit ----------------------------------------------------------------------------------------------------------------- 7. Telnet Connection ------------------------------- en conf t enable secret cisco123 username admin1 secret admin1pass line vty 0 4 transport input telnet login local exit !! from pc's command prompt -> telnet 192.168.1.1 ----------------------------------------------------------------------------------------------------------------- 8. OSPF - 5 Routers --------------------------- North Router en conf t router ospf 1 router-id 1.1.1.1 network 192.168.0.0 0.0.255.255 area 0 passive-interface fa0/0 exit !! configure ospf in East, West, South & Central Routers with router-id 2.2.2.2, 3.3.3.3, 4.4.4.4 & 5.5.5.5 respectively ------------------------------------------------------------------------------------------------------------------- 9. Inter VLAN Routing ------------------------------- Switch 1 ------------- en conf t vlan 10 name admin exit vlan 20 name HR exit vlan 30 name sales exit int range fa0/1 - 2 switchport access vlan 10 exit int range fa0/3 - 4 switchport access vlan 20 exit int range fa0/5 - 6 switchport access vlan 30 exit int fa0/7 switchport access vlan 10 exit int fa0/8 switchport access vlan 20 exit int fa0/9 switchport access vlan 30 exit int fa0/24 switchport mode trunk exit Switch 2 ------------ en conf t vlan 10 name admin exit vlan 20 name HR exit vlan 30 name sales exit int fa0/1 switchport access vlan 10 exit int fa0/2 switchport access vlan 20 exit int fa0/3 switchport access vlan 30 exit int fa0/24 switchport mode trunk exit ----------------------------------------------------------------------------------------------------------------------------------- 10. Router on a Stick ------------------------------ Switch ---------- en conf t vlan 10 name admin exit vlan 20 name HR exit int range fa0/1 - 2 switchport access vlan 10 exit int range fa0/3 - 4 switchport access vlan 20 exit int fa0/5 switchport mode trunk exit Router ---------- en conf t int fa0/0 no shut exit int fa0/0.10 encapsulation dot1q 10 ip address 192.168.1.1 255.255.255.0 exit int fa0/0.20 encapsulation dot1q 20 ip address 192.168.2.1 255.255.255.0 exit ------------------------------------------------------------------------------------------------------------ 11. Standard ACL ------------------------- R2 en conf t access-list 1 permit host 192.168.2.3 access-list 1 deny 192.168.2.0 0.0.0.255 access-list 1 permit any do show access-list int fa0/1 ip access-group 1 out exit ------------------------------------------------------------------------------------------------------------- 12. Extended ACL -------------------------- R1 en conf t access-list 100 permit tcp host 192.168.1.2 host 192.168.5.3 eq 80 access-list 100 permit tcp host 192.168.1.2 host 192.168.5.3 eq 443 access-list 100 permit icmp 192.168.1.0 0.0.0.255 host 192.168.5.3 access-list 100 deny ip 192.168.1.0 0.0.0.255 host 192.168.5.3 access-list 100 permit ip any any do show access-list int fa0/0 ip access-group 100 in exit -------------------------------------------------------------------------------------------------------------------------- 13. NAT - PAT --------------------- SNUC Router en conf t ip route 0.0.0.0 0.0.0.0 200.1.1.2 access-list 1 permit 192.168.1.0 0.0.0.255 ip nat inside source list 1 int fa0/0 int fa0/0 ip nat outside exit int fa0/1 ip nat inside exit !! configure SRM Router similarly -------------------------------------------------------------------------------------------------------------------------- 14. Static NAT 1-to-1 ------------------------------ SNUC Router en conf t ip route 0.0.0.0 0.0.0.0 200.1.1.2 access-list 1 permit 192.168.1.0 0.0.0.255 ip nat inside source list 1 int fa0/0 ip nat inside source static 192.168.1.4 200.1.1.1 int fa0/0 ip nat outside exit int fa0/1 ip nat inside exit -------------------------------------------------------------------------------------------------------------------------- 15. NAT - Port Forwarding -------------------------------------- SNUC Router en conf t ip route 0.0.0.0 0.0.0.0 200.1.1.2 access-list 1 permit 192.168.1.0 0.0.0.255 ip nat inside source list 1 int fa0/0 ip nat inside source static tcp 192.168.1.4 80 200.1.1.1 80 ip nat inside source static tcp 192.168.1.5 443 200.1.1.1 443 int fa0/0 ip nat outside exit int fa0/1 ip nat inside exit --------------------------------------------------------------------------------------------------------------------------