OSPF areas

leblanc
leblanc used Ask the Experts™
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My wan is going through a MPLS network. I have OSPF routing implemented between my WAN router and my core switch at my location and I'd like to do the same for my remote location. At my location, I have area 0 (between the WAN router and the core switch) and area 10 for all internal interfaces and SVIs. Now if is it ok for me to use area 10 for my remote site? Is the OSPF area local significance?

PS. BGP is implemented between my WAN router and the MPLS ISP router. We redistribute BGP to OSPF.
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Distinguished Expert 2018
Commented:
It is locally significant, so all of your areas connected to area 0 can be area 10, but, personally, I think it is a bad design.
leblancAccounting

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Commented:
What is the best practice?
Distinguished Expert 2018
Commented:
I don't remember that there is no naming convention among best practices, but to give 2 areas the same name is like give to two of your kids the same name. You can do that of course, but why should you?
OSPF best practice.
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leblancAccounting

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Commented:
Ah... That makes sense.
I guess I was thinking of the VLANs when it comes to local significance. You can name the VLAN a make it a standard, like if it is vlan10 then it is for VoIP across the organization.  I will check out your links. Thanks for the input.

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