--> There are mainly two types of routers are used in MPLS,
i) Label Switch Router
ii) Edge Label Switch Router
i) Label Switch Router
i) Label Switch Router
ii) Edge Label Switch Router
i) Label Switch Router
--> Label Switch Router is the router, which have all the interfaces are enabled for MPLS.
--> In Service Provider environment, Label Switch Router is also known as Provider Router(P).
--> Label Switch Router forwards Labelled Packets in MPLS environment.
ii) Edge Label Switch Router
--> Label Switch Router is the router, which have some interfaces are enabled for MPLS.
--> In Service Provider environment, Edge Label Switch Router is also known as Provider Edge Router(PE).
--> Edge Label Switch Router forwards Labelled Packets in MPLS environment and also forwards the packets based upon ip address.
--> Edge Label Switch Router labels the packets if the exit interface is enabled with MPLS.
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