Sean,
If I understand this right, not only IOS does not have
the function of ignoring TE datatbase like the
"no-cspf" in Juniper, it also can not run RSVP without
enabling OSPF opaque LSA on a interface. I have not
tried IS-IS, but I assume it has to have the
wide-metric enabled in order to run the MPLS-TE,
right?
Thanks
LU
--- Sean Crocker <crockers@mail.trinicom.com> wrote:
> There's nothing like Juniper's no-cspf.
>
> There is a way that is
> hidden/undocumented/unsupported. Unless IOS
> has changed since last I looked, you have to define
> an explicit path,
> then append "verbatim" to the path-option
> statement...
>
> R1(config-if)#tunnel mpls traffic-eng path-option 1
> explicit name foo verbatim
>
> The explicit-path can be as short as just one node
> (the directly-
> connected next-hop). The next node (either cisco
> and juniper) will
> strip out the PATH's ERO and send it on towards
> egress according to the
> RIB, so from that point on it's like no-cspf.
>
> Sean
>
>
> >I just noticed that in cisco you can not establish
> LSP
> >without enabling OSPF
> >opaque LSA, this is quite different from Juniper.
> >JUNOS allows you to set up
> >LSP just based on normal IGP information. Am I
> missing
> >some commands in IOS?
> >Does IOS have a way to enable MPLS-TE without
> having
> >OSPF opaque LSA?
> >
> >Thanks
> >LU
> >
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