OSPF Diagram

[Antelope]

I have a visio diagram of some routers and want to ask someone some OSPF suggestions. Any way I can post a *jpg file to this forum?? If not and you are familar with OSPF, can I email this picture to someone and ask them some design questions?

 

[tecnikall]

Hello there, do you still need help on this issue? If so just let me know and I will try to help out. Cheers and good luck

 

[BuckWeet]

Can you post the jpg to a website and link it?

 

[Antelope]

OK, here is the website and a appreciate your help:

http://runlikeanantelope.bravehost.com/OSPF.jpg

The OSPF area's aren't established yet, this is just my idea.

I've started with a couple routers running OSPF, but I keep getting these errors:

Mar 2 02:05:12: OSPF: Rcv pkt from 172.26.3.3, Ethernet1/0, area 0.0.0.0 mismatch area 0.0.0.2 in the header

and

*Mar 2 00:37:24: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, fro
m backbone area must be virtual-link but not found from 172.16.3.1, FastEthernet
0/0

 

[ChrisAC]

Hmmm .. "Remote linking of images not allowed"

Can you provide your configs so that we can take a look?

Chris.

**********************
Chris A.C, CCNA, CCSA
**********************

 

[Antelope]

Actually, it must be something with that website. Cut and Paste that think instead of clicking on it and it will work.

 

[ChrisAC]

Ok, I can see that. So where are you getting the error? Can you post the configs for the routers in question?

Chris.



**********************
Chris A.C, CCNA, CCSA
**********************

 

[Antelope]

This error:
Mar 2 03:50:32: OSPF: Rcv pkt from 172.26.3.3, Ethernet1/0, area 0.0.0.0 mismatch area 0.0.0.2 in the header

Is coming from the router T1_Backup 172.16.3.6 and here is its config:

T1_Backup#show config
Using 1559 out of 29688 bytes

version 12.3
service timestamps debug datetime
service timestamps log datetime
service password-encryption
!
hostname T1_Backup
!
boot-start-marker
boot-end-marker
!
logging buffered 5000 debugging
enable secret 5 $1$A5dM$89mIexdzvPGU.ZsrjjYsH/
enable password 7 14040B18180127
!
aaa new-model
!
!
aaa session-id common
ip subnet-zero
ip cef
!
!
no ip domain lookup
!
!
interface Loopback0
ip address 1.1.1.8 255.255.255.0
!
interface Ethernet0/0
no ip address
half-duplex
no cdp enable
!
interface Serial0/0
description connected to SDS
ip address 192.168.6.2 255.255.255.0
service-module t1 clock source internal
service-module t1 remote-alarm-enable
!
interface Ethernet1/0
ip address 172.16.3.6 255.255.0.0
half-duplex
!
router ospf 1
log-adjacency-changes
network 172.16.0.0 0.0.255.255 area 0
network 192.168.6.0 0.0.0.255 area 0
!
ip http server
ip classless
ip route 0.0.0.0 0.0.0.0 172.16.3.1
ip route 172.26.0.0 255.255.0.0 Serial0/0
ip route 192.168.6.0 255.255.255.0 Serial0/0
!
!
logging 172.16.1.8
!

!
end





And this error:

*Mar 2 02:25:04: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 172.16.3.1, FastEthernet0/0,

Is on RP_Cisco1 Router, but also get a similar error from 3 other routers in Area 0.

Using 1263 out of 29688 bytes
!
version 12.3
no parser cache
service timestamps debug datetime
service timestamps log datetime
service password-encryption
!
!
boot-start-marker
boot-end-marker
!
logging buffered 5000 debugging
!
memory-size iomem 25
aaa new-model
!
!
aaa session-id common
ip subnet-zero
!
!
no ip domain lookup
!
ip cef
!

!
interface Loopback0
ip address 1.1.1.7 255.255.255.0
!
interface FastEthernet0/0
description Backup Network
ip address 172.26.3.2 255.255.0.0
speed auto
full-duplex
vrrp 1 ip 172.26.3.1
vrrp 1 timers advertise 3
vrrp 1 authentication text WCHvrrp
!
interface Serial1/0
ip address 192.168.6.1 255.255.255.0
service-module t1 clock source internal
service-module t1 remote-alarm-enable
!
router ospf 1
log-adjacency-changes
network 172.26.0.0 0.0.255.255 area 2
network 192.168.6.0 0.0.0.255 area 0
!
ip classless
ip route 0.0.0.0 0.0.0.0 172.16.1.1
ip route 172.16.0.0 255.255.0.0 Serial1/0
no ip http server

!
end

 

[lambent]

On your serial WAN links, try to specify the OSPF network types by using this:

!
interface s0/0
ip ospf network point-to-point
!

Also it's recommended to hard-code the OSPF router-ID by using your loopback IP address like this:

!
router ospf 1
router-id 1.1.1.7
!

 

[Antelope]

Ok, I'll add that and see if those messages stop. Even though those messages appear, everything is routing correctly.

 

[Antelope]

Too many routers in that other diagram - try this one:

http://runlikeanantelope.bravehost.com/network1.gif

Again, you have to copy and paste the link.

What I would like is Building 1 to to Area 0, building 2 and 3 to be Area 1, and Building 4 to be Area 2.