Cisco 4507R to Extreme OSPF

[eiregobragh]

Guys,
having difficulty receiving OSPF routes from an extreme switch on my Cisco 4507R.

I have an ehterchannel between the two switches.

They have formed an ospf neighbourship.

On Extreme Switch can see routes advertised from Cisco.

On Cisco Switch CANNOT see routes advertised from Extreme.

The ospf config is pretty basic.

Any ideas?

Paul

Paul Kilcoyne B. Eng.
Innealtóir/ Engineer

http://www.pknetworks.ie

 

[baddos]

If you do a show ip ospf database, does it show any prefixes coming from the neighbor router?

 

[chieftan]

You are going to have to supply a bit more information than that.

Try some OSPF debugging and also show run and show conf.

What are the devices:-

Cisco?
Extreme?

etc etc

 

[eiregobragh]

Hi all,
I managed to resolve the problem. Basically the Cisco config was fine, I ran a debug ip routing events and could see nothing coming from the extreme.

We had to add a command on the extreme to advertise all subnets/vlans.

After that it worked fine.

Many thanks,

Paul

Paul Kilcoyne B. Eng.
Innealtóir/ Engineer

http://www.pknetworks.ie