192.168.0.1/24

Host Name :R1

Model : 1841

WIC-1T

Serial 0/0/0

Basic Configuration

192.168.0.1/24

Host Name :R1

Model : 1841

WIC-1T

Serial 0/0/0

Basic Configuration #enable#conf ter#hostname R1#interface s0/0/0#ip address 192.168.0.1 255.255.255.0#no shut

192.168.0.1/24

Host Name :R1

Model : 1841

WIC-1T

Serial 0/0/0

Password Recovery

OLD Password : ciscoNew Password : router

192.168.0.1/24

Host Name :R1

Model : 1841

WIC-1T

Serial 0/0/0

Password Recovery

OLD Password : ciscoNew Password : router

Change configure-register to be 0x2142#reloadCtrl+Break#confreg 0x2142#reset

Change to be new password#copy startup-configure running-configure#config terminal#enable secret ………. (new password)#configure-register 0x2102#wr or copy run start#reload

192.168.1.1/24

Host Name :R1

Model : 1841

FE 0/0

Open Telnet/ Console Password

192.168.1.2/24

192.168.1.1/24

Host Name :R1

Model : 1841

WIC-1T

FE 0/0

Open Telnet/ Console Password

192.168.1.2/24

Set password console#conf ter#line console 0#password cisco#login

Set password telnet#conf ter#line vty 0 4#password cisco#login

#enable#conf ter#hostname R1#interface fa0/0/0#ip address 192.168.1.1 255.255.255.0#no shut

Encrypt password#service password-encryption

FA 0/0

192.168.1.0/24.1 .2

R1

TFTP Server

Backing Up and Restoring to TFTP Server

Copy flash tftp:Copy tftp: startup-configure

192.168.0.0/24Host Name : R1

Serial 0/0/0 Serial 0/0/0

.1 .2

Host Name : R2

192.168.0.0/24

Serial 0/0/0 Serial 0/0/0

.1 .2

192.168.1.0/24 192.168.2.0/24

.1 .1

.2 .2

R1 R2

Static Route

PC1

GW:192.168.1.1

PC2

GW:192.168.2.1

F0/0 F0/0

192.168.0.0/24

Serial 0/0/0 Serial 0/0/0

.1.2

192.168.1.0/24 192.168.2.0/24

.1 .1

.2 .2

R1 R2

Load Sharing Static Route

192.168.3.0/24

Serial 0/1/0 Serial 0/1/0

.1.2

192.168.0.0/24Host Name : R1

Serial 0/0/0

Serial 0/0/0

.1 .2

Host Name : R2

192.168.1.0/24 192.168.2.0/24.1 .1

.2 .2

Serial 0/0/0

.2

Host Name : R3

192.168.4.0/24

.1

.2

Serial 0/1/0

192.168.3.0/24

.1

Static Route and Default Route

F0/0 F0/0 F0/0

PC1

GW:192.168.1.1

PC2

GW:192.168.2.1 PC3

GW:192.168.4.1

192.168.0.0/24Host Name : R1

Serial 0/1/0

Serial 0/1/0

.1 .2

Host Name : R2

192.168.1.0/24 192.168.2.0/24.1 .1

.2 .2

Serial 0/1/0

.2

Host Name : R3

192.168.4.0/24

.1

.2

Serial 0/0/0

192.168.3.0/24

.1

Dynamic Route [RIP]

R1(config) router rip

R1(config-router)# network 192.168.1.0

R1(config-router)# network 192.168.0.0

R2(config) router rip

R2(config-router)# network 192.168.0.0

R2(config-router)# network 192.168.2.0

R2(config-router)# network 192.168.3.0

R3(config) router rip

R3(config-router)# network 192.168.3.0

R3(config-router)# network 192.168.4.0

192.168.0.0/24Host Name : R1

Serial 0/1/0

Serial 0/1/0

.1 .2

Host Name : R2

192.168.1.0/24 192.168.2.0/24.1 .1

.2 .2

Serial 0/1/0

.2

Host Name : R3

192.168.4.0/24

.1

.2

Serial 0/0/0

192.168.3.0/24

.1

Dynamic Route [OSPF]

R1(config) router ospf 1

R1(config-router)# network 192.168.1.0 0.0.0.255 area 0

R1(config-router)# network 192.168.0.0 0.0.0.255 area 0

OSPF Area 0

R1(config) router ospf 1R1(config-router)# network 192.168.4.0 0.0.0.255 area 0R1(config-router)# network 192.168.3.0 0.0.0.255 area 0

192.168.0.0/24

192.168.0.0/24

F0/2

F0/4F0/3

F0/1

.1 .2

.3 .4

2960

#int fast Ethernet 0/1#switchport mode access

10.1.30.0/24 Engineering

VLAN 30

10.1.20.0/24 Accounting

VLAN 20

10.1.10.0/24 Admin

VLAN 10

10.1.1.0/24 Native VLAN 1

Catalyst 2960

Ports:1-8

Ports:9-15Ports:16-24

Vlan 2192.168.2.1

Vlan 2192.168.2.2

F0/1

Gi1/1 Gi1/1

F0/1

Gi1/1 Gi1/2

IEEE 802.1q TrunkIEEE 802.1q Trunk

Vlan 2 – saleVlan3 - engineering

Vlan 3192.168.3.1

Vlan 3192.168.3.2

F0/2 F0/2

SW1

SW2 SW3

Server

ClientClient

IEEE 802.1q TrunkIEEE 802.1q Trunk

Vlan 2 – saleVlan3 – engineeringVlan4 – guest

Transparent

Client Client

IEEE 802.1q Trunk

IEEE 802.1q Trunk IEEE 802.1q Trunk

Domain : CyberPassword : cisco

SW4SW2

SW3

SW1

SW5 SW6

VLAN 3

VLAN 2

192.168.1.0/24

192.168.2.0/24

.2

G1/2

F0/1

.2

Vlan 3 :: 192.168.1.1Vlan 2 :: 192.168.2.1

2960

G1/1G1/1

Trunk Line

VTP Domain : PSUVTP Server : ws-c3560VTP Client : ws-c2960

3560

2960G1/1

F0/1

VLAN 2192.168.2.0/24.3

F0/2

VLAN 3

192.168.1.0/24

.3

F0/2

.1R1

192.168.0.0/24

Cisco configuration of DHCP service on a Router or L3 Switch

Network subnet : 192.168.0.0 255.255.255.0Gateway Address : 192.168.0.1DNS Server : 4.2.2.2Excluded Addresses : 192.168.0.1 to 192.168.0.10

.1R1

192.168.0.0/24

Cisco configuration of DHCP service on a Router or L3 Switch

Network subnet : 192.168.0.0 255.255.255.0Gateway Address : 192.168.0.1DNS Server : 4.2.2.2Excluded Addresses : 192.168.0.1 to 192.168.0.10

#ip dhcp pool mypool#network 192.168.0.0 255.255.255.0#default-router 192.168.0.1#dns-server 4.2.2.2#exit#ip dhcp excluded-address 192.168.0.1 192.168.0.10

.1

R1

192.168.1.0/24

99.99.99.99/24

Internet

NAT – Network Address Translation

.8.7

FA0/0

FA0/1

.1

R1

192.168.1.0/24

99.99.99.99/24

Internet

NAT – Network Address Translation

.8.7

FA0/0

FA0/1

ip nat inside source list 1 interface FastEthernet0/1 overloadaccess-list 1 permit 192.168.1.0 0.0.0.255

interface FastEthernet0/0 ip address 192.168.1.1 255.255.255.0 ip nat inside

interface FastEthernet0/1 ip address 99.99.99.99 255.255.255.0 ip nat outside

172.16.20.1/24

Edmonton

Fa0/1

50.1

RedDeer80.1

Calgary

10.130.1 30.2 60.1

40.1

60.2

70.1

50.7520.16380.16

50.7

70.270.540.8910.5

ACL – Access Control List