Data forwarding method and router

摘要

A data forwarding method and a router are provided. The router includes: forwarding engines FEs, physical interface cards PICs, a first switch device and a second switch device, where the first switch device includes a primary first switch device and a standby first switch device, all the FEs are connected with each other via the first switch device, the FEs are connected to the PICs via the second switch device, the number of the FEs is at least two, the number of the PICs is at least two, and the number of the FEs is equal to the number of the PICs. Embodiments of the present invention could improve reliability of a system.

主权项

1. A router, comprising: at least two forwarding engines (FEs), at least two physical interface cards (PICs), a first switch device and a second switch device,
wherein the first switch device is a switch fabric card, the first switch device comprises a primary first switch device and a standby first switch device, all the FEs are connected with each other via the first switch device, the FEs are connected to the PICs via the second switch device, a quantity of the FEs is equal to a quantity of the PICs, the PICs comprises a first PIC and a second PIC, the first PIC and the second PIC are connected with each other via the second switch device, the first PIC is connected to a first nodes in an optical network ring network, the second PIC is connected to a second node in the optical network ring network; the first node, the first PIC the second PIC and the second node are nodes within the optical network ring network, the first PIC is a downstream node of the first node within the optical network ring network, the second PIC is a downstream node of the first PIC within the optical network ring network, the second node is a downstream node of the second PIC within the optical network ring network, the second switch device is configured to perform data distribution in an uplink direction according to a running status of the FEs when IP data switching is performed, and the second switch device is further configured to send optical network data received by the first PIC to the second PIC when optical switching processing is performed.