[j-nsp] OSPF Configuration Changes

[Hoogen]

OSPF works the same in Juniper or Cisco world. But considering 8 routers it
wouldn't affect a lot. But do make a topology diagram to just check the
links and the cost that might be associated after the change.
That would actually be type 10. There would be a small flood of these LSA to
even those routers that do not understand this. But is should be okay.

-Hoogen

On Mon, Sep 28, 2009 at 9:13 AM, Matthew Walster <matthew at walster.org>wrote:

> Hey there,
>
> I'm currently using the default reference-bandwidth for OSPF (presumably
> 100M) and would like to change this to 10G to reflect link-capacities more
> accurately.
>
> I have a mix of M7i, MX240 and J6350 at the moment - most of which are
> running 9.5, though I believe the J-series routers might be running 8.5.
> There are 8 routers in total.
>
> Is this change "safe" to make on a live system, i.e., will it reset the
> OSPF
> link-state database, or will it just re-broadcast an LSA as it does in the
> Cisco world?
>
> Additionally, if I was to add OSPF traffic-engineering type 7 LSAs in
> preparation for adding MPLS to the network, is that "safe" to change on a
> live network? Would it be advisable to change everything at once (with
> commit confirmed, of course), or to stagger it over a number of iterations?
>
> Input appreciated.
>
> Matthew Walster
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