Routing hardware entry resource management method, device and network equipment
A hardware entry and resource management technology, applied in the field of computer networks, can solve problems such as inconvenient user experience, affecting normal business of users, non-support, etc., to save routing hardware entry resources, solve hardware entry capacity, and improve adjacency The effect of the number of nodes
Active Publication Date: 2018-05-22
RUIJIE NETWORKS CO LTD
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Problems solved by technology
[0016] (3) Does not support ECMP (Equal-Cost Multipath routing, equal-cost multipath) and WCMP (WeightedCost Multipath, weighted multipath)
When the user uses the corresponding device, additional operations are required to switch between the above two modes, and when switching between the above two modes, the configuration must be changed, saved and restarted to take effect, which will affect the user normal business, and a very inconvenient user experience
Method used
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[0051] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0052] The defects that may occur when using the ARP extension function in the prior art are deeply analyzed below.
[0053] Deficiency 1. After using the ARP extension function to process adjacent routes, the number of virtual machines that can be accessed by the data center may decrease compared with the number of virtual machines that can be supported when all routes are processed using ordinary routing processing logic. The following examples will be analyzed. To keep the description simple, in the following analysis process, it is assumed that the corresponding device is a device that does not support VRF. Those skilled in the art can understand that the a...
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The invention relates to the field of computer networks, and discloses a routing hardware entry resource management method, device and network equipment. Based on whether the adjacency route can be associated with the network route, the adjacency route is subdivided into a host-type adjacency route and a route-type adjacency route, and the host-type adjacency routes are set to share ENCAP hardware entries / NHOP hardware entries as much as possible to save a lot Routing hardware entry resources, while still setting stricter sharing conditions for routing-type adjacency routing and network routing according to the common routing processing logic, so as to avoid generating a large number of additional routing hardware table updating tasks and causing system performance deterioration. The application of the present invention can automatically share routing hardware entry resources without user perception, increase the number of accessible adjacent nodes, and solve the problem that the number of adjacent nodes accessed is limited by the capacity of hardware entries in a more humane manner.
Description
technical field [0001] The present invention relates to the field of computer networks, in particular to a routing hardware entry resource management method, a routing hardware entry resource management device and a network device. Background technique [0002] For the term "adjacent" in this application, please refer to the relevant definition of "adjacent" in RFC1812, which means that it can be reached without going through any IP router. Correspondingly, the term "neighboring device" in this application refers to a device whose route does not need to pass through any IP router. An adjacent device may have multiple IP addresses, and it can be considered that each IP corresponds to an adjacent node. The term "adjacency information" refers to information based on each adjacent node's MAC address, IP address, egress (that is, L3Port, described as a network interface in RFC 1812). The term "adjacency route" refers to a route generated based on adjacency information, which ha...
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IPC IPC(8): H04L12/741H04L12/745H04L12/755H04L12/733H04L45/74H04L45/122H04L45/748
CPCH04L45/021H04L45/20H04L45/54H04L45/748H04L45/74591
Inventor 徐仁飞
Owner RUIJIE NETWORKS CO LTD