[Xorp-users] Changing OSPF routes/costs/any part in the OSPF routing table

[Ben Greear]

On 01/23/2012 02:40 PM, Alexandru Blidaru wrote:
> Hey there,
>
> I'm a computer engineering student, and I've recently became interested in networks, and this whole routers stuff (scheduled to take a networking class next
> semester). So I found XORP, and I installed it on a few VMs, and I started playing around with the whole setup. I've been going through the docs found here:
> http://xorp.run.montefiore.ulg.ac.be/latex2wiki/dev_getting_started, and I started wondering if there is a way to change the routing table. So for example when
> a certain path would have a cost value of 10, to change it to 20 and see how a packet would move in those conditions. From my understanding even if there is a
> way to manually do this, due to the way OSPF works, the routing table would be updated after a certain time period.
>
> So my question is, is there a way to modify any of the values in the OSPF routing table, in order to then analyze how the packets end up moving around the
> network? If yes (whether by changing parts of the code, or through settings of some sort), could you give me a few pointers and set me in the right direction?

You can use xorpsh to re-configure xorp, including the interface costs, and it
should take affect shortly after you commit the changes.

Thanks,
Ben

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com