公开(公告)号：WO2018143842A1

公开(公告)日：2018-08-09

申请号：PCT/SE2017/050080

申请日：2017-01-31

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Inventor： HELÉN, Per ,  AMMERVIK, Clarence

IPC: H04L12/721

CPC classification number: H04L45/32 ,  H04L45/66

Abstract: It is disclosed a method and a detector (60; 70)capable of resolving unicast flooding in a layer 2 broadcast domain.The method is performed in a detector having a medium access control, MAC, address. The detector receives (S24, 32, 42, 502) a first flooded packet having a destination MAC address differing from the detector's MAC address. The detector sends (S25, 34, 44, 46, 512; 520; 528) a message to a node in the layer 2 broadcast domain, wherein the type of the node is determined based on the destination MAC address of the first flooded packet and/or based on whether a destination Internet protocol, IP, address of the first flooded packet is an address within the layer 2 broadcast domain. It is advantageous that the message is adapted to trigger the node to announce its MAC address within the layer 2 broadcast domain, causing the unicast flooding to be resolved, by which consumption of available bandwidth is reduced.

公开(公告)号：WO2016085375A1

公开(公告)日：2016-06-02

申请号：PCT/SE2014/051410

申请日：2014-11-26

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Inventor： HELÉN, Per ,  AMMERVIK, Clarence ,  LINDSTRÖM, Johan

IPC: H04L12/713 ,  H04L12/721 ,  H04L12/703 ,  H04L29/12

CPC classification number: H04L45/586 ,  H04L45/28 ,  H04L45/66 ,  H04L61/6022

Abstract: A method and a routing device(110) for managing data frames as well as a method and a further routing device(120) for managing data frames are disclosed. The routing device(110) is addressable by a virtual Media Access Control address, "virtual MAC address", for assignment to routers. The routing device(110) sends (205) a data frame comprising a source MAC address field, which includes a unicast MAC address of the routing device(110).The routing device(110) sends (208) a message including information about the virtual MAC address. The routing device(110) is configured to send, in a periodic manner, a periodic message for conveying information about the virtual MAC address throughout the switched network (100).In another embodiment, the further routing device(120) receives (201) at least one data frame. The further routing device(120) sends (202)a request which instructs the routing device (110) to send an alert message for conveying information about the virtual MAC address. Corresponding computer programs and carriers therefor are also disclosed.

Abstract translation: 公开了一种用于管理数据帧的方法和路由设备（110）以及用于管理数据帧的方法和另外的路由设备（120）。 路由设备（110）可由虚拟介质访问控制地址“虚拟MAC地址”寻址，用于分配给路由器。 路由设备（110）发送（205）包括源MAC地址字段的数据帧，该源MAC地址字段包括路由设备（110）的单播MAC地址。路由设备（110）发送（208）包括关于 虚拟MAC地址。 路由设备（110）被配置为周期性地发送用于在整个交换网络（100）中传送关于虚拟MAC地址的信息的周期性消息。在另一个实施例中，所述另外的路由设备（120）接收（201） 至少一个数据帧。 进一步的路由设备（120）发送（202）指示路由设备（110）发送用于传送关于虚拟MAC地址的信息的警报消息的请求。 还公开了相应的计算机程序和载体。

公开(公告)号：WO2014098681A1

公开(公告)日：2014-06-26

申请号：PCT/SE2012/051465

申请日：2012-12-20

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Inventor： WOLLBRAND, Per ,  AMMERVIK, Clarence ,  TÖRNKVIST, Åke

IPC: H04L29/08 ,  H04L29/12

CPC classification number: G06F11/2007 ,  G06F11/2028 ,  G06F11/2033 ,  G06F11/2041 ,  G06F2201/815 ,  G06F2201/85 ,  H04L61/103 ,  H04L67/1034 ,  H04L69/40

Abstract: A method in a host arrangement for communicating with a terminal connected to an IP communication network. The arrangement comprises at least two hosts, one operating as active host and the remaining at least one host operating as backup host(s). The arrangement is connected to the IP communication network by means of a switch, wherein each host of the arrangement is connected to the switch by means of an individual link, the active host being associated with an IP and a MAC address. The method comprises detecting (110) a link failure between the active host and the switch, or a malfunction of the active host; and determining (120) a backup host to takeover. The method comprises associating (130) the IP and the MAC address of the active host to the determined backup host to take over; and triggering (140) a MAC learning process in the switch.

Abstract translation: 一种用于与连接到IP通信网络的终端通信的主机装置中的方法。 该装置包括至少两个主机，一个作为活动主机运行，剩余的至少一个主机作为备份主机运行。 该布置通过交换机连接到IP通信网络，其中该装置的每个主机通过单独的链路连接到交换机，活动主机与IP和MAC地址相关联。 该方法包括检测（110）活动主机与交换机之间的链路故障或活动主机的故障; 以及确定（120）备份主机以接管。 该方法包括将活动主机的IP和MAC地址与确定的备份主机相关联（130），以接管; 并触发（140）交换机中的MAC学习过程。

公开(公告)号：WO2016085374A1

公开(公告)日：2016-06-02

申请号：PCT/SE2014/051409

申请日：2014-11-26

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Inventor： HELÉN, Per ,  AMMERVIK, Clarence ,  LINDSTRÖM, Johan

IPC: H04L12/721 ,  H04L12/931 ,  H04L12/703 ,  H04L12/939

CPC classification number: H04L45/00 ,  H04L45/28 ,  H04L45/66 ,  H04L49/10 ,  H04L49/552

Abstract: A method and a first device (110) of a switched network (100), for managing data frames received, at a first port, from a second device (120) are disclosed. The first device (110) handles the first port and a second port for transfer of data frames between the first and second devices (110, 120). The first device (110) is addressable by a Media Access Control address, "MAC address", associated with the first port. The first device (110) receives (201), from the second device (120), at least one data frame at the second port. The first device (110) sends (202), on the first port, a message including the MAC address associated with the first port.

Abstract translation: 公开了一种用于管理在第一端口处从第二设备（120）接收的数据帧的交换网络（100）的方法和第一设备（110）。 第一设备（110）处理第一端口和用于在第一和第二设备（110,120）之间传送数据帧的第二端口。 第一设备（110）可由与第一端口相关联的媒体访问控制地址“MAC地址”寻址。 第一设备（110）从第二设备（120）接收（201）在第二端口处的至少一个数据帧。 第一设备（110）在第一端口发送（202）包括与第一端口相关联的MAC地址的消息。