Port Forwarding with NAT overload

NAT
!
interface GigabitEthernet0/0
 ip address 203.203.203.2 255.255.255.252
 ip nat outside
!

Port Forwarding without NAT overload

NAT
!
interface gigabitEthernet0/0
 ip address 203.203.203.2 255.255.255.252
 ip nat outside
!

IPSEC-VPN

R1 Configuration!!!!!!!!!!!!!!!!!!!!!

R1#
R1#configure terminal
R1(config)#interface fastEthernet 0/1

NAT Overload

R1 Configuration!!!!!!!!!!!!!!!!!!!!!

R1#
R1#configure terminal
R1(config)#interface fastEthernet 0/1

Dynamic NAT ( Network Address Translation )

R1 Configuration!!!!!!!!!!!!!!!!!!!!!

R1#
R1#configure terminal
R1(config)#interface fastEthernet 0/1

Static NAT ( Network Address Translation )

R1 Configuration!!!!!!!!!!!!!!!!!!!!!

R1#
R1#configure terminal
R1(config)#interface fastEthernet 0/1

GRE without Authentication

R1 Configuration !!!!!!!!!!!

R1#configure terminal
R1(config)#interface fastEthernet 1/1
R1(config-if)#ip address 192.168.1.254 255.255.255.0
R1(config-if)#no shu
R1(config-if)#do write me

Frame-Relay Multipoint with Sub-interface

R1 Configuration!!!!!!
!
interface GigabitEthernet0/0
 ip address 192.168.1.1 255.255.255.0
!

Frame-Relay ( Router As A Frame-Relay)

R1 Configuration!!!!!!
!
interface FastEthernet0/0
 ip address 192.168.1.1 255.255.255.0
!

Hot Standby Router Protocol (HSRP)

 R1 Configuration !!!!

interface FastEthernet0/0
 ip address 200.200.200.2 255.255.255.252

OSPF Authentication

R1 Configuration !!!!!

R1#
R2#configure terminal
R1(config)#interface GigabitEthernet 0/0
R1(config-if)#ip address 192.168.0.254 255.255.255.0
R1(config-if)#no shutdown

6 to 4 ( ipv4 over ipv6 tunneling )

R1 Configuration !!!!!

R1#
R1#configure terminal
R1(config)#interface ethernet 1/0
R1(config-if)#ip address 10.0.1.1 255.255.255.252
R1(config-if)#no shut
R1(config-if)#do write me
R1(config-if)#exit

BGP Basic

Router R1 Configuration !!!!!

R1>enable
R1#configure terminal
R1(config)#interface serial 1/0
R1(config-if)#ip address 200.200.200.1 255.255.255.252
R1(config-if)#no shut down
R1(config-if)#encapsulation ?
R1(config-if)#encapsulation ppp
R1(config-if)#do write me
R1(config-if)#exit

VLSM with EIGRP

R1 Configuration !!!!

R1>en
R1>enable
R1#configure terminal
R1(config)#interface fastEthernet 0/0
R1(config-if)# ip address 172.0.1.65 255.255.255.248
R1(config-if)#no shut

PPP Of CHAP Authentication

Server

Router>enable
Router#configure terminal
Router(config)#hostname R1
R1(config)#interface serial 1/0
R1(config-if)#encapsulation ppp
R1(config-if)#ppp authentication pap

EIGRP Redestribution of Different AS Number

R1 Configuration !!!!!

R1>enable
R1#configure terminal
R1(config)#interface ethernet 0/3/0
R1(config-if)#ip address 100.100.100.254 255.255.255.0

EIGRP on Cisco Router (Single AS)

R1 Configuration!!!!!

R1>
R1>enable
R1#configure terminal
R1(config)#interface ethernet 1/0
R1(config-if)#ip address 200.200.200.1 255.255.255.252

DHCP Relay Agent

R1 Configuration!!

R1>
R1>enable
R1#configure terminal
R1(config)#interface ethernet 1/2
R1(config-if)#ip address 200.200.200.5 255.255.255.252
R1(config-if)#do write me
Building configuration...
[OK]
R1(config-if)#exit
R1(config)#

RIPv2 (Routing Information Protocol Version 2)

R1 Configuration !!!

R1>
R1>enable
R1#configure terminal
R1(config)#interface fastEthernet 0/0

RIPv1 (Rounting Information Protocol Version 1)

R1 Configuration !!!
R1>
R1>enable
R1#configure terminal
R1(config)#interface fastEthernet 0/0
R1(config-if)#ip address 192.168.10.254 255.255.255.0
R1(config-if)#no shutdown