One of SD WANs chief features is the ability to manage multiple connections from MPLS to broadband to LTE from a single interface. This feature makes the AP more flexible and adaptable to customer requirements. It helps to increase the number of possible IP networks available for MPLS and MPLS switch traffic to better manage local access networks that could be used for overlapping traffic streams in another router or for various segments of the network, so if you want to learn more about how SD Wans work, you can also go to https://www.fortinet.com/resources/cyberglossary/sd-wan-explained to find the right information for this.
The maximum transfer rate between the device on the MPLS link and the broadband router is determined by the state of MPLS on the MPLS link. The same limits apply for MPLS and the broadband router.
This feature supports multi-homing for MPLS and MPLS switch traffic.
For Broadband connection the maximum IP link speed is 1 Gbps. For Broadband Link Rate 1 Gbps (500Mbps) the maximum link rate is 10 Mbps, for Broadband Link Rate 1 Gbps (1000Mbps) the maximum link rate is 25 Mbps.
The maximum IP link speed is determined by the state of MPLS on the MPLS link. The same limits apply for MPLS and the broadband router.
3.1 MPLS v1.1 and v2.0 (Custom IP Control)
In MPLS v1.1 and v2.0, both the MPLS physical layer and the MPLS encapsulation layer are connected to the MPLS core routers. In this case, both physical layers and encapsulation layers can be deployed at the router level with different IP states. In addition, the v2.0 specification allows for more advanced MPLS features, like Multi-homing and NAT traversal. With the v2.0 protocol, MPLS link-state data was divided into groups of sub-microphone MPLS. MPLS v2.0 and v2.1 define some additional features, such as the Routing for MPLS gateway. However, the v2.0 and v2.1 MPLS versions are being phased out and is not recommended for MPLS deployment.
3.1.1 MPLS v1.1 and v2.0 Physical Layer
Three versions of MPLS physical layer are defined, which allow multiple different physical links to be deployed in a single interface. In these implementations, the physical layer is implemented as a subscriber-side protocol (SSP) that performs all the signaling, accounting, accounting data stores, and hardware encryption required for MPLS connections. The SSPs are:
V1 – Any devices can connect to this layer, including an application layer.
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