[j-nsp] MPLS admin groups implementation

[tim tiriche]

The concern is, i have 6 LSP to every router in US and i am not sure if
there is a possibility of any of the LSP's using the high metric inter
region link.


On Fri, Dec 11, 2015 at 2:42 AM, tim tiriche <tim.tiriche at gmail.com> wrote:

> 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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>