Mailing List Archive: problem on ospf routing

problem on ospf routing

Sep 8, 2005, 9:51 PM

Post #1 of 3 (11271 views)

my network

Internet
|
gw(10.1.1.1-using NAT go to internet)
|
|
router a sis0(10.1.250.30) sis1(10.230.1.1) sis2(10.230.2.1)---|
| |
| |
router b sis0(10.200.1.1) sis1(10.230.1.2) sis2(10.230.3.1) |
|---| | |
| |------------------| |
| | |
router c | sis0(10.201.1.1) sis1(10.230.3.2) sis2(10.230.2.2)---|
| |
| |
LAN A LAN B

===========================================================================
router a : ospfd.conf
----------------------
Current configuration:
!
hostname ospfd
password zebra
log stdout
!
!
!
interface sis0
!
interface sis1
!
interface sis2
!
interface faith0
!
interface lo0
!
interface ppp0
ip ospf network point-to-point
!
interface sl0
ip ospf network point-to-point
!
router ospf
network 10.200.1.0/24 area 0.0.0.10
network 10.201.1.0/24 area 0.0.0.20
network 10.230.1.0/30 area 0.0.0.0
network 10.230.2.0/30 area 0.0.0.0
network 10.230.3.0/30 area 0.0.0.0
default-information originate metric 10
!
line vty
!
end
========================================================
router b : ospfd.conf
---------------------
Current configuration:
!
hostname ospfd
password zebra
log stdout
!
!
!
interface sis0
!
interface sis1
!
interface sis2
!
interface faith0
!
interface lo0
!
interface ppp0
ip ospf network point-to-point
!
interface sl0
ip ospf network point-to-point
!
router ospf
network 10.200.1.0/24 area 0.0.0.10
network 10.201.1.0/24 area 0.0.0.20
network 10.230.1.0/30 area 0.0.0.0
network 10.230.2.0/30 area 0.0.0.0
network 10.230.3.0/30 area 0.0.0.0
!
line vty
!
end

===========================================================================
router c: ospfd.conf
--------------------
Current configuration:
!
hostname ospfd
password zebra
log stdout
!
!
!
interface sis0
!
interface sis1
!
interface sis2
!
interface faith0
!
interface lo0
!
interface ppp0
ip ospf network point-to-point
!
interface sl0
ip ospf network point-to-point
!
router ospf
network 10.200.1.0/24 area 0.0.0.10
network 10.201.1.0/24 area 0.0.0.20
network 10.230.1.0/30 area 0.0.0.0
network 10.230.2.0/30 area 0.0.0.0
network 10.230.3.0/30 area 0.0.0.0
!
line vty
!
end

The problem I face to is 10.200.1.1/24 network cannot go to internet
throught 10.1.1.1, and 10.201.1.1/24 also cannot go to internet throught
10.1.1.1.

regards,

Halison Tong

problem on ospf routing [ In reply to ]

srv at eb

Sep 9, 2005, 2:21 AM

Post #2 of 3 (10850 views)

Permalink

Re: problem on ospf routing [ In reply to ]

carton at Ivy

Sep 9, 2005, 10:02 AM

Post #3 of 3 (10838 views)

Permalink

s> network 10.200.1.0/24 area 0.0.0.10
s> network 10.201.1.0/24 area 0.0.0.20

don't use areas. area 0 for everything.

I'm not sure what your problem is and don't have experience with
areas, but there is no reason to use them other than to limit the size
of the SPF graph, and your network is too small to care about the size
of the SPF.

Not using areas will probably fix the problem. I would bet it is a
bug, but don't know.