[j-nsp] RD usage in BGP based VPLS

[David Ball]

  Unless you're running nonstop active routing (NSR), you can get away
with simply setting the global route-distinguisher-id value to the
loopback IP of your box at [edit routing-options] instead of manually
specifying the RD in every routing-instance.  Then, all
routing-instances will import it and generate the 2nd value for you
(ie. ip:some_value).
  That said, if you are planning on enabling NSR in the future, just
create RDs in each routing-instance now to save yourself a headache
later.

David


2008/6/17 Christian Koch <christian at broknrobot.com>:
> if you're using bgp signaling for auto discovery then you need RD, if you
> are using LDP, you do not
>
> if you still dont know why you need an RD when using bgp, i suggest you read
> the following RFC's
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> http://tools.ietf.org/html/rfc4761
> http://tools.ietf.org/html/rfc4762
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> On Tue, Jun 17, 2008 at 8:07 AM, narasimha murthy <hnarasimha at rediffmail.com>
> wrote:
>
>> Hi can any one tell me why RD is required for BGP based VPLS configaration.
>> in case of L3 vpn RD is used to make customer ipv4 address globally unique
>> in MPLS domain.
>>   But i dont understand the usage of RD in case of VPLS.
>>
>> Murthy
>>
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