[nsp] OSPF Network & multiply areas question

From: TMS (tomek@absolut.iksik.net)
Date: Tue Feb 26 2002 - 11:00:33 EST

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I have small network:

S1/0---S0/0 Cisco 1720 (r3)
Cisco F0/0---F0/0 Cisco
7200 (r1) 3660 (r2)
S1/1---S0/0 Cisco 2610 (r4)

r1 (c7200) - area 0
r2 (c3660) - area 0 and 1
r3 (c1720) - area 1
r4 (c2610) - area 1

------------------------------------------------

r1 configuration:

interface Serial1/0
  description 2mbps to ISP
  ip address 1.1.1.2 255.255.255.252
!
interface FastEthernet0/0
  description Connected to r2
  ip address 10.10.10.1 255.255.255.0
!
router ospf 100
  network 10.10.10.0 0.0.0.255 area 0
!

------------------------------------------------

r2 configuration:

interface FastEthernet0/0
  description Connected to r1
  ip address 10.10.10.2 255.255.255.0
!
interface Serial1/0
  description Connected to r3
  ip address 20.0.0.1 255.255.255.252
!
interface Serial1/1
  description Connected to r4
  ip address 20.0.1.1 255.255.255.252
!
router ospf 100
  network 10.10.10.0 0.0.0.255 area 0
  network 20.0.0.0 0.255.255.255 area 1
!

------------------------------------------------

r3 configuration:

interface Serial0/0
  description Connected to r2
  ip address 20.0.0.2 255.255.255.252
!
interface FastEthernet1/0
  description To CUSTOMERS
!
router ospf 100
  network 20.0.0.0 0.255.255.255 area 1
!

------------------------------------------------

r4 configuration:

interface Serial0/0
  description Connected to r2
  ip address 20.0.1.2 255.255.255.252
!
interface FastEthernet1/0
  description To CUSTOMERS
!
router ospf 100
  network 20.0.0.0 0.255.255.255 area 1
!

------------------------------------------------

Is this network and router configurations are correct ?
Any sugestions about this network design ?

-- 
greets,
t.

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