RIP Cisco IOS

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RIP example

Example network, with DHCP servers on each router

Packet tracer template

Below is a full configuration of the shown network. The commands used to configure RIP are shown in blue.

Configuration of R1

hostname R1
!
ip dhcp excluded-address 192.168.100.1 192.168.100.99
ip dhcp excluded-address 192.168.100.200 192.168.100.255
!
ip dhcp pool LOCATION1
  network 192.168.100.0 255.255.255.0
  default-router 192.168.100.1
!
interface fastethernet 0/0
 no shut
 ip address 192.168.100.1 255.255.255.0
!
interface fastethernet 1/0
 no shut
 ip address 10.10.0.1 255.255.255.252
!
interface fastethernet 2/0
 no shut
 ip address 10.10.0.5 255.255.255.252
!
<notice>router rip
 version 2
 network 10.0.0.0
 network 192.168.100.0</notice>
!

Configuration of R2

hostname R2
!
ip dhcp excluded-address 192.168.64.1 192.168.64.99
ip dhcp excluded-address 192.168.64.200 192.168.64.255
!
ip dhcp pool LOCATION2
  network 192.168.64.0 255.255.255.0
  default-router 192.168.64.1
!
interface fastethernet 0/0
 no shut
 ip address 192.168.64.1 255.255.255.0
!
interface fastethernet 1/0
 no shut
 ip address 10.10.0.6 255.255.255.252
!
interface fastethernet 2/0
 no shut
 ip address 10.10.0.9 255.255.255.252
!
<notice>router rip
 version 2
 network 10.0.0.0
 network 192.168.64.0</notice>
!

Configuration of R3

hostname R3
!
ip dhcp excluded-address 192.168.72.1 192.168.72.99
ip dhcp excluded-address 192.168.72.200 192.168.72.255
!
ip dhcp pool LOCATION3
  network 192.168.72.0 255.255.255.0
  default-router 192.168.72.1
!
interface fastethernet 0/0
 no shut
 ip address 192.168.72.1 255.255.255.0
!
interface fastethernet 1/0
 no shut
 ip address 10.10.0.10 255.255.255.252
!
<notice>router rip
 version 2
 network 10.0.0.0
 network 192.168.72.0</notice>
!

Configuration of R4

hostname R4
!
interface fastethernet 0/0
 no shut
 ip address 10.10.0.2 255.255.255.252
 ip nat inside
!
interface fastethernet 1/0
 no shut
 ip address dhcp
 ip nat outside
!
router rip
 version 2
 <notice>default-information originate</notice>
 network 10.0.0.0
!
ip nat inside source list 38 interface FastEthernet1/0 overload
!
access-list 38 remark Permit traffic from RFC1918 private net
access-list 38 permit 10.0.0.0 0.255.255.255
access-list 38 permit 172.16.0.0 0.15.255.255
access-list 38 permit 192.168.0.0 0.0.255.255

Often used commands

  • show ip route
  • show ip interfaces brief
  • show running-config
  • show interface fastehernet 1/0
  • copy running-config startup-config

On the PC's

  • ipconfig
  • ipconfig /release
  • ipconfig /renew

RIP on Cisco equipment

RIP is implemented on Ciscos Routers and layer 3 Switches. For in-depth explanation of RIP