[j-nsp] About RD in vpls multi-homing environment.
juniper-nsp at ml.karotte.org
Mon Apr 13 03:37:21 EDT 2015
* Pyxis LX <pyxislx at gmail.com> [2015-04-11 20:21]:
> And I found another configuration example on Juniper website:
> This example suggests that PE1 and PE2 should use different RDs.
That link already says it:
Best Practice: We recommend that you configure unique route
distinguishers for each multihomed PE router. Configuring unique route
distinguishers helps with faster convergence when the connection to a
primary multihomed PE router goes down. If you configure unique route
distinguishers, the other PE routers in the VPLS network must maintain
additional state for the multihomed PE routers.
I would always use unique RDs, we do it and have no problems with it.
Otherwise you would have to wait vor BGP reconvergence which could
take some time.
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