IMPLEMENTATION OF DYNAMIC INTERIOR / EXTERIOR ROUTING (RIP, OSPF,BGP)
CONFIGURING NETWORK
PC0:
-click on pc0 (network address: 10.0.0.0)
-go to ip configuration
-set ip address: 10.0.0.2
-subnet mask: 255.0.0.0
-default gateway: 10.0.0.1
PC1:
-click on pc0 (network address: 11.0.0.0)
-go to ip configuration
-set ip address: 11.0.02
-subnet mask: 255.0.0.0
-default gateway: 11.0.0.1
ROUTER 0(above pc0)
-enable
-config terminal
-interface gig0/0/0
-ip address 10.0.0.1 255.0.0.0
-no shutdown
-exit
-interface gig0/0/1
-ip address 12.0.0.1 255.0.0.0
-no shutdown
-exit
ROUTER 1(above pc1)
-enable
-config terminal
-interface gig0/0/0
-ip address 12.0.0.2 255.0.0.0
-no shutdown
-exit
-interface gig0/0/1
-ip address 11.0.0.1 255.0.0.0
-no shutdown
-exit
//NOW IF WE PING FROM PC0 TO PC1 THEY WILL NOT COMMUNICATE BECAUSE THEY DONT KNOW ROUTE OF EACH OTHER. SO WE NEED TO DO DYNAMIC ROUTING .//
COMMAND FOR DYNAMIC ROUTING
USING RIP COMMAND
ROUTER(CONFIG)#router rip
#version 2
#network< own attached network address>
ROUTER 0
Router0(config)#router rip
#version 2
#network 10.0.0.0
#network 12.0.0.0
ROUTER 1
Router1(config)#router rip
#version 2
#network 11.0.0.0
#network 12.0.0.0
//NOW BOTH ROUTER KNOW ROUTE OF EACH OTHER//
PING PC1 FROM PC0 WE WILL GET REPLY
SIMILARLY FROM PC1 TO PC0
USING OSPF COMMAND
ROUTER(CONFIG)#<ATTACHED NETWORK ADD> <WILDCARD MASK> <AREA 0>
WHERE WILDCARD MASK IS INVERTED SUBNET MASK
EG. WILDCARD MASK OF 255.0.0.0 is 0.255.255.255
ROUTER 0:
ROUTER0(CONFIG)#router ospf 1
#network 10.0.0.0 0.255.255.255 area 0
# network 12.0.0.0 0.255.255.255 area 0
ROUTER 1:
ROUTER1(CONFIG)#router ospf 1
#network 11.0.0.0 0.255.255.255 area 0
# network 12.0.0.0 0.255.255.255 area 0
//NOW BOTH ROUTER KNOW ROUTE OF EACH OTHER//
PING PC1 FROM PC0 WE WILL GET REPLY
SIMILARLY FROM PC1 TO PC0
USING BGP COMMAND
ROUTER 0
ROUTER0(CONFIG)#router bgp 10
#network 10.0.0.0
#network 11.0.0.0
#network 12.0.0.0
#neighbor 12.0.0.2 remote-as 20
#neighbor 11.0.0.2 remote-as 20
ROUTER 1
ROUTER1(CONFIG)#router bgp 20
#network 10.0.0.0
#network 11.0.0.0
#network 12.0.0.0
#neighbor 12.0.0.1 remote-as 10
#neighbor 10.0.0.2 remote-as 10