Dear Ahmad,
Because that's the way it is?
From JUNOS routing protocols configuration guide :
To configure a domain ID, perform the following tasks:
1. Specify a domain ID in the BGP extended community ID.
2. Set a route type.
3. Configure a VRF export policy to explicitly attach the outbound extended
community ID to outbound routes.
4. Define a community with members that possess the community ID.
You configure a separate label for each VRF to provide double lookup and
egress
filtering.
For more explanation please refer to JUNOS software configuration guide.
Hope that helps :).
Regards,
Stevanus
Ahmad Alhady wrote:
in case of using OSPF as PE-CE routing protocol .. ..
why
we should assign the domain-id community to the exported routes? ?? I
think that specifying domain-id under the protocols ospf hierarchy is
enough to send the domain-id on the route... ? ?! ! !
another point . . .
when we use "vrf-table-label" ? ! !
Thanks
Ahmad
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