Cisco DHCP VLAN VTP STP VRRP OSPF

Ciso DHCP VLAN STP VTP VRRP OSPF

I. Topology

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Two. Interface configuration

IOU1 (config) # hostname DHCP

DHCP (config) # int e0/0

DHCP (config-if) # IP Add 1.1.1.1 255.255.255.0

DHCP (CONFIG-IF) # no shut

DHCP (config) # int E0/1

DHCP (config-if) # IP Add 2.2.2.1 255.255.255.0

DHCP (CONFIG-IF) # no shut

IOU2 (config) # hostname OSPF

OSPF (config) # int E0/2

OSPF (config-if) # IP Add 3.3.3.1 255.255.255.0

OSPF (CONFIG-IF) # no shut

IOU3 (config) # hostname switch1

Switch1 (config) # int e0/0

Switch1 (config-if) # no Switchport

Switch1 (config-if) # IP Add 1.1.1.2 255.255.255.0

Switch1 (config-if) # no shut

IOU4 (config) # hostname SWITCH2

Switch2 (config) # int E0/1

SWITCH2 (config-if) # no Switchport

SWITCH2 (config-if) # IP Add 2.2.2.2 255.255.255.0

SWITCH2 (config-if) # no shut

Switch2 (config) # int E0/1

SWITCH2 (config-if) # no Switchport

SWITCH2 (config-if) # IP Add 3.3.3.2 255.255.255.0

SWITCH2 (config-if) # no shut

Three. DHCP

DHCP (config) # ip dhcp pool vlan2.0

DHCP (dhcp-config) # Default-router 192.168.2.1

DHCP (dhcp-config) # network 192.168.2.0 255.255.255.0

DHCP (dhcp-config) # exit

DHCP (config) # ip dhcp pool vlan3.0

DHCP (dhcp-config) # Default-router 192.168.3.1

DHCP (dhcp-config) # network 192.168.3.0 255.255.255.0

DHCP (dhcp-config) # exit

DHCP (config) # ip dhcp excluded-address 192.168.2.1 192.168.2.10

DHCP (config) # ip dhcp excluded-address 192.168.3.1 192.168.3.10

Four. Vlan

switch1# VLAN Data

Switch1 (VLAN) # VLAN 2 name vlan2.0

Switch1 (VLAN) # VLAN 3 name vlan3.0

Switch1 (VLAN) #exit

switch1# conf t

Switch1 (config) # int VLAN 2

Switch1 (config-if) # IP Add 192.168.2.1 255.255.255.0

Switch1 (config-if) # IP helper-address 1.1.1.1

Switch1 (config-if) # no shut

Switch1 (config) # int VLAN 3

Switch1 (config-if) # IP Add 192.168.3.1 255.255.255.0

Switch1 (config-if) # IP helper-address 1.1.1.1

Switch1 (config-if) # no shut

Switch1 (config-if) # exit

Switch1 (config) # int e1/0

Switch1 (config-if) # switchport trunk Encapsulation dot1q

Switch1 (config-if) # switchport mode trunk

switch2# VLAN Data

SWITCH2 (VLAN) # VLAN 2 name vlan2.0

SWITCH2 (VLAN) # VLAN 3 name vlan3.0

SWITCH2 (VLAN) #exit

switch2# conf t

Switch2 (config) # int VLAN 2

SWITCH2 (config-if) # IP Add 192.168.2.2 255.255.255.0

SWITCH2 (config-if) # IP helper-address 1.1.1.1

SWITCH2 (config-if) # no shut

Switch2 (config) # int VLAN 3

SWITCH2 (config-if) # IP Add 192.168.3.2 255.255.255.0

SWITCH2 (config-if) # IP helper-address 1.1.1.1

SWITCH2 (config-if) # no shut

SWITCH2 (config-if) # exit

Switch2 (config) # int range e1/0-1

SWITCH2 (config-if) # switchport trunk Encapsulation dot1q

SWITCH2 (config-if) # switchport mode trunk

IOU5 (config) # no IP routing

IOU5 (config) # host SWITCH3

Switch3 (config) # exit

switch3# VLAN Data

SWITCH3 (VLAN) # VLAN 2 name vlan2.0

SWITCH3 (VLAN) # VLAN 3 name vlan3.0

SWITCH3 (VLAN) #exit

Switch3 (config) # int range e1/0-1

Switch3 (config-if) # switchport trunk Encapsulation dot1q

Switch3 (config-if) # switchport mode trunk

Switch3 (config) #exit

Switch3 (config) # int e2/0

Switch3 (config-if) # switchport Access VLAN 2

IOU6 (config) # no IP routing

IOU6 (config) # host SWITCH4

Switch4 (config) # exit

switch4# VLAN Data

SWITCH4 (VLAN) # VLAN 2 name vlan2.0

SWITCH4 (VLAN) # VLAN 3 name vlan3.0

SWITCH4 (VLAN) #exit

Switch4 (config) # int range e1/0

SWITCH4 (config-if) # switchport trunk Encapsulation dot1q

SWITCH4 (config-if) # switchport mode trunk

Switch4 (config) #exit

Switch4 (config) # int e2/0

SWITCH4 (config-if) # switchport Access VLAN 3

Five. OSPF

DHCP (config) # router OSPF 100

DHCP (config-router) # Router-id 10.10.10.10

DHCP (config-router) # network 1.1.1.0 0.0.0.255 a 0

DHCP (config-if) # network 2.2.2.0 0.0.0.255 a 0

Switch1 (config) # router OSPF 100

Switch1 (config-router) # Router-id 20.20.20.20

Switch1 (config-router) # network 1.1.1.0 0.0.0.255 a 0

Switch1 (config-router) # network 192.168.2.0 0.0.0.255 a 0

Switch1 (config-router) # network 192.168.3.0 0.0.0.255 a 0

Switch2 (config) # router OSPF 100

SWITCH2 (config-router) # Router-id 30.30.30.30

SWITCH2 (config-rotuer) # network 3.3.3.0 0.0.0.255 a 1

SWITCH2 (config-router) # network 192.168.2.0 0.0.0.255 a 0

SWITCH2 (config-router) # network 192.168.3.0 0.0.0.255 a 0

OSPF (config) # router OSPF 100

OSPF (config-router) # Router-id 40.40.40.40

OSPF (config-router) # network 3.3.3.0 0.0.0.255 a 1

Six. VRRP

Switch1 (config) # int VLAN 2

Switch1 (config-if) # VRRP 1 IP 192.168.2.254

Switch1 (config-if) # VRRP 1 preempt

Switch1 (config-if) # VRRP 1 priority 120

Switch1 (config-if) # VRRP 1 track 1

Switch1 (config-if) # VRRP 1 Track 2

Switch1 (config) # int VLAN 3

Switch1 (config-if) # VRRP 2 IP 192.168.3.254

Switch1 (config-if) # VRRP 2 preempt

Switch1 (config-if) # VRRP 2 Priority 95

Switch1 (config-if) # VRRP 2 track 1

Switch1 (config-if) # VRRP 2 track 2

Switch1 (config) # track 1 interface e1/0 Line-protocol

Switch1 (config) # track 2 interface e0/0 Line-protocol

Switch2 (config) # int VLAN 2

SWITCH2 (config-if) # VRRP 1 IP 192.168.2.254

SWITCH2 (config-if) # VRRP 1 preempt

SWITCH2 (config-if) # VRRP 1 priority 95

SWITCH2 (config-if) # VRRP 1 track 1

SWITCH2 (config-if) # VRRP 1 Track 2

Switch2 (config) # int VLAN 3

SWITCH2 (config-if) # VRRP 2 IP 192.168.3.254

SWITCH2 (config-if) # VRRP 2 preempt

SWITCH2 (config-if) # VRRP 2 Priority 120

SWITCH2 (config-if) # VRRP 2 track 1

SWITCH2 (config-if) # VRRP 2 track 2

Switch2 (config) # track 1 interface E1/1 Line-protocol

Switch2 (config) # track 2 interface E0/1 Line-protocol

Note: VRRP Test in IOU, virtual IP is not available, need to use is the local iOS test

Cisco DHCP VLAN VTP STP VRRP OSPF