[j-nsp] MPLS admin groups implementation

[tim tiriche]

High metric on all inter-regions would be the ideal and simpler way.

I wasn't sure if i might be over looking or missing something.

Any real world experiences would be helpful.

-Tim

On Fri, Dec 11, 2015 at 2:26 AM, Adam Vitkovsky <Adam.Vitkovsky at gamma.co.uk>
wrote:

> > tim tiriche
> > Sent: Friday, December 11, 2015 8:53 AM
> >
> > Hi,
> >
> > I have an existing MPLS network of 3 regions
> >
> > ASIA US and EUROPE
> >
> > I don't want LSP's within US to be established via ASIA or EUROPE and
> vice
> > versa.
> >
> > I want to create an admin group call it: GOLD and apply an exclude on
> all US
> > LSP's.
> >
> > the problem is this will cause LSP to bounce.  since i have my config in
> apply
> > groups this change will affect all lsp's.  i want to know is this
> traffic impacting if
> > i have link protection in place?
> >
> > is there a graceful way to do this?
> >
> Doing a lot of assumptions here but maybe setting high metric on all
> inter-region links?
>
> You can configure your LSPs with "adaptive" cmd -then make before break is
> enabled.
> But I'm not sure if configuring LSP with adaptive will bounce it, it
> shouldn't I think, (but you can try yourself with a dummy lsp).
>
> > second question, if i have a statement like this:
> >
> > lsp a-b
> > admin-group exclude [gold silver]
> >
> > does that mean, if an interface has either gold OR silver an LSP will not
> > choose the path or is it an AND?
> >
> The overall cli rule is if you specify multiple arguments of the same
> character it's OR and it's AND among arguments of different character.
> For example:
>
> admin-group {
>         exclude [ group-name1 OR group-name2 ];
>         AND
>         include-all [ group-names ];
>         AND
>         include-any [ group-names ];
>
>
> adam
>
>
>
>         Adam Vitkovsky
>         IP Engineer
>
> T:      0333 006 5936
> E:      Adam.Vitkovsky at gamma.co.uk
> W:      www.gamma.co.uk
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