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Address table entry processing method and address table entry processing apparatus

A processing method and address table technology, applied in the field of communication, can solve problems affecting the reliability of the service forwarding system, and achieve the effect of reducing the possibility and improving the reliability

Active Publication Date: 2018-04-20
NEW H3C SECURITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In practical applications, the total number of MAC address entries that a firewall device can learn is certain. If the firewall device creates a Bridge instance after creating a large number of MAC address entries that do not belong to the Bridge instance, this may cause the Only part of the MAC address entries are created, which reaches the upper limit of the total number of MAC address entries that the firewall device can learn
In this case, in order to ensure account handover between user devices, the firewall device will perform unknown unicast flooding, thereby affecting the reliability of the service forwarding system

Method used

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  • Address table entry processing method and address table entry processing apparatus
  • Address table entry processing method and address table entry processing apparatus
  • Address table entry processing method and address table entry processing apparatus

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Embodiment Construction

[0058] The technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the scope of protection of this application.

[0059] The network device learns the MAC address belonging to the Bridge instance and the MAC address not belonging to the Bridge instance separately. For example, the network device learns the MAC address in VLAN1 and creates a MAC address entry that does not belong to the Bridge instance and includes the MAC address in VLAN1; Bridge instance, and VLAN1 is added to the Bridge instance, the network device relearns the MAC address in VLAN1, and creates a MAC address entr...

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Abstract

The embodiment of the invention provides an Address table entry processing method and an address table entry processing device, the method and the apparatus are applied to a network device, and the method comprises the following steps: obtaining a first quantity value of MAC address table entries in a first MAC address group and a second quantity value of the MAC address table entries in a secondMAC address group, wherein the MAC address table entries in the first MAC address group belong to a Bridge instance, the MAC address table entries in the second MAC address group do not belong to theBridge instance; judging whether a sum value of the first quantity value and the second quantity value reaches a preset upper limit value of the number of the MAC address table entries; and if the sumvalue reaches the preset upper limit value of the number of the MAC address table entries, deleting the MAC address table entries in the second MAC address group. By application of the technical scheme provided by the embodiment of the invention, reliability of a service forwarding system is improved.

Description

technical field [0001] The present application relates to the technical field of communication technology, in particular to a method and device for processing address entries. Background technique [0002] At present, the interaction between user devices is performed on the firewall device, that is, the firewall device is responsible for packet forwarding. Packet forwarding may include: cross-virtual local area network (English: Virtual Local Area Network, abbreviated: VLAN) bridge (Bridge) media access control (English: Media Access Control, abbreviated: MAC) forwarding and non-cross-VLANBridge MAC forwarding. Among them, cross-VLAN Bridge MAC forwarding refers to forwarding packets across VLANs based on the MAC address entries belonging to the Bridge instance; non-cross-VLAN Bridge MAC forwarding refers to forwarding packets within the VLAN based on MAC address entries that do not belong to the Bridge instance. [0003] Both of the above two message forwarding methods lea...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L12/741H04L29/12H04L45/74
CPCH04L12/4641H04L45/54H04L45/745H04L2101/622
Inventor 张恒解永娟
Owner NEW H3C SECURITY TECH CO LTD
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