Re: [mpls-linux-general] zebra ldp don't work for [static] but now OSPF....

[James R. L. <jl...@mi...>]

See comments within.

On Wed, Feb 19, 2003 at 12:02:56AM +0100, Markus Hennig wrote:
<snip>
> ok, i changed the config for mplsd (ospfd and zebra stays!):

I think you will need to change OSPF as well.  Without changing OSPF
LDP is presented with 2 equal cost OSPF routes, this is the fundamental
problem for the multipath case.

> 
> 
>            .--------LSR_2 IN:74 OUT:10
>           /              \
>          /                LSR_5 IN:119 OUT:10
>         /                /              /
>        /     IN:32      /              /
> ----LER_1   OUT:5  LSR_3         LER_7 IN:53 OUT:1
>    IN:77                \           |  \
>   OUT:2                  \          |   \
>             IN:98 OUT:5   LSR_6     |
>                          /          |
>                     LSR_4-----------'
>                   IN:17 OUT:7
> 
>       |----------- MPLS ------------|
> 
> > 
> >>my testsetup:
> >>
> >>          .--------LSR_2-----------.
> >>         /              \          |
> >>        /                LSR_5     |
> >>       /                /     \    |   /
> >>      /                /       \   |  /
> >>----LER_1--------LSR_3         LER_7
> >>      \                \       /   |  \
> >>       \                \     /    |   \
> >>        \                LSR_6     |
> >>         \              /          |
> >>          '--------LSR_4-----------'
> >>
> >>     |----------- MPLS ------------|
> > 
> > 
> > Evil.  Lets try walking before running.  Simplify the topo and let me know
> > if you still see so much instability.
> > 
> looks more stable (there are some mystic things with not available nics 
> during startup of ospf - maybe its ulm_swicth, after a ping they are gone)
> 
> numbers of incoming/outgoig see above
> all numbers are slow growing (and sometimes decreasing)
> 
> > Eventually mplsd will be able to support this type of 'complex' topo, but
> its ok, there is no need for
> > I'm not there yet.  Maybe with you help we can nail down some of the real
> > troubled areas.
> i do my best...
> 
> thx in advance,
> markus
> 
> > 
> > Thanks
> 
> 
> 
> 
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-- 
James R. Leu