OSPF configuration

[rouzbehta]

Hello,

I have a switch between 2 routers I want to run a single area ospf on the network. I attached the pdf file which shows the network diagram.

Would some one please help me and if possible give me the coniguration, I screwed on the vlan settings on the switch.

Best Regards

[Mahesh Gohil]

Hi ,

creating single area ospf will be more easy.

minimum config will be

RTR2
router ospf 1
network 10.10.10.0 0.0.0.127 area 0

RTR1
router ospf 1
network 10.10.10.128 0.0.0.127 area 0

Switch:
router ospf 1
network 10.10.10.0 0.0.0.127 area 0
network 10.10.10.128 0.0.0.127 area 0

Regards

Mahesh

[rouzbehta]

True, but wha about vlan configurations on the switch and the switch must be layer3 to be able to do this task?

Best Regards

[Mahesh Gohil · Accepted solution]

ofcourse yes, How will you configure IP and protocol is switch is not L-3

You need to configure switch same as router..like

int fa0/0

desc #Link to First Router#

no ip address

int fa0/0.10

encap dot1q 10

ip address <> <>

int fa0/1

desc #Link to Second Router#

no ip address

int fa0/1.11

encap dot1q 11

ip address <> <>

If you want to take switch as L2 functionality then all IP/protocol stuff will be on router but two ip subnet doesn't make any sense then.

Regards

mahesh