[j-nsp] Next Gen MVPN flooding assistance

Krasimir Avramski krasi at smartcom.bg
Fri Sep 16 11:18:02 EDT 2011


It is RI context. Actually group and source are (C-S, C-G).
Please refer the wildcard usage in docs:
http://www.juniper.net/techpubs/en_US/junos10.1/information-products/topic-collections/config-guide-vpns/topic-40020.html

Regards,
Krasi

On Fri, Sep 16, 2011 at 5:05 PM, Chris Evans <chrisccnpspam2 at gmail.com>wrote:

> Okay that is what I was thinking.. I had the initial configuration without
> the selective and saw the results I asked about. I then put in selective
> configuration, but am unsure if I really have it right.
>
> What should the source be? routing-instance IP or global IP? I assume the
> group should be SSM?
>
>
> My original configuration which I saw the flooding:
>     provider-tunnel {
>         rsvp-te {
>             label-switched-path-template {
>                 default-template;
>
> My configuration that I made to be selective:
>     provider-tunnel {
>         rsvp-te {
>             label-switched-path-template {
>                 default-template;
>             }
>         }
>         selective {
>             group 232.1.1.3/32 {
>                 wildcard-source {
>                     threshold-rate 500;
>                     rsvp-te {
>                         label-switched-path-template {
>                             default-template;
>                         }
>                     }
>                 }
>                 source 172.16.1.3/32 {
>                     rsvp-te {
>                         label-switched-path-template {
>                             default-template;
>
>
> On Fri, Sep 16, 2011 at 9:46 AM, Krasimir Avramski <krasi at smartcom.bg>wrote:
>
>> Hi,
>>
>> It is normal behavior with inclusive P-tunnels (in your case P2MP lsps).It
>> is default without explicit selective configuration.
>>
>> Regards,
>> Krasi
>>
>> On Fri, Sep 16, 2011 at 4:10 PM, Chris Evans <chrisccnpspam2 at gmail.com>wrote:
>>
>>>  I took a few minutes to setup NG-MVPN using RSVP-TE P2MP LSP in my lab.
>>> I
>>> have 3 boxes setup in a triangle format. I have multicast flowing
>>> properly,
>>> however I'm seeing a weird anomaly that i'd like to get some
>>> clarification
>>> on.****
>>> All of the P2MP RSVP sessions are up properly, things appear to be
>>> signaled
>>> properly, traffic flows properly on the devices that should be getting
>>> it.
>>> What I am seeing is on the sender PE, whenever there is a receiver on a
>>> far-end PE's requesting traffic the sender PE floods its to both
>>> downstream
>>> PEs. It looks to be flooding it across two LSP paths as I see traffic
>>> rates
>>> double what they should be. If I stop the receiver both PEs stop getting
>>> traffic, as expected.
>>>
>>> On the PE that doesn't have the receiver if I do 'show multicast route
>>> instance <name> extension' it shows that route in the table, shows that
>>> is
>>> received via PIM  (forwarding devices show MVPN) and it also shows it as
>>> pruned.
>>>
>>> Anyone seen this?
>>> _______________________________________________
>>> juniper-nsp mailing list juniper-nsp at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/juniper-nsp
>>
>>
>>
>


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