[quagga-users 14886] Re: OSPF wrong configuration on mininet

Hello Alessandro,

  Could you provide additional configuration? Maybe one of the routers full
config except passwords.
  Also, in a scenario with 1Gbps links, I would set the reference-bandwidth
at 1000. That is not your issue though.

Best Regards,

  Ralph Mondegar


On Tue, Dec 19, 2017 at 9:31 PM, Alessandro Gaballo <[email protected]>
wrote:

> Hello, I'm using OSPF on mininet and I'm having some issue
> .
> I'm setting the link speed with mininet when defining the topology,
> however this doesn't seem to affect the ospf cost computation.
> By sniffing some traffic I've noticed that all the LS Update messages
> contain a metric=100, even though the different link speed should affect
> the computation.
> For example to go from R6 to R4 I'd expect a cost of 2 going through Ri4
> and a cost of 20 going through R5.
> This is an example of the ospf.conf file I'm using on each router:
>
> *hostname r6*
>
> *log file /var/log/quagga/r6.log*
>
> *router ospf*
> *auto-cost reference-bandwidth 100*
> *  network 172.168.6.0/24 <http://172.168.6.0/24> area 0*
> *  network 172.168.34.0/24 <http://172.168.34.0/24> area 0*
> *  network 172.168.5.0/24 <http://172.168.5.0/24> area 0*
> *  network 172.168.35.0/24 <http://172.168.35.0/24> area 0*
>
> Could the area parameter be causing this unexpected behavior?
>
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