--> When there are two or more customer sites that need to be connected and same service provider is not present to connect the customer sites.
--> We use Inter AS MPLS VPN in this scenario when there are two service providers involved to provide MPLS connectivity between different customer sites.
--> Customer Sites need to be connected to different Service Providers.
--> The Service Provider routers are called as ASBR Routers and they should be physically connected with each other.
--> There are mainly four options used in Inter AS MPLS VPN.
i) Inter AS Option A
ii) Inter AS Option B
iii) Inter AS Option C
iv) Inter AS Option AB
Md.Kareem
CCIE # 54759
--> We use Inter AS MPLS VPN in this scenario when there are two service providers involved to provide MPLS connectivity between different customer sites.
--> Customer Sites need to be connected to different Service Providers.
--> The Service Provider routers are called as ASBR Routers and they should be physically connected with each other.
--> There are mainly four options used in Inter AS MPLS VPN.
i) Inter AS Option A
ii) Inter AS Option B
iii) Inter AS Option C
iv) Inter AS Option AB
Md.Kareem
CCIE # 54759
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