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1. 发明申请

US20180063035A1 PORT EXTENDER ID ASSIGNMENT IN AN EXTENDED BRIDGE 审中-公开
公开(公告)号：US20180063035A1
公开(公告)日：2018-03-01
申请号：US15489395
申请日：2017-04-17
申请人： Brocade Communications Systems, Inc.
发明人： Kwun-Nan Kevin Lin
IPC分类号： H04L12/931 , H04L12/46
CPC分类号： H04L49/45 , H04L12/4645 , H04L49/35
摘要： Techniques for facilitating port extender (PE) ID assignment in an extended bridge are provided. According to one set of embodiments, a controlling bridge (CB) can store a set of one or more port extender PE ID configurations for the extended bridge. At least one PE ID configuration in the stored set can include (1) an identity of a first CB port, and (2) a plurality of PE IDs corresponding to PEs connected to the first CB port, in connection order. In cases where the plurality of PEs form a ring that also connects to a second CB port, the at least one PE ID configuration can also include an identity of the second CB port.

2. 发明授权

US09559897B2 Device ID assignment in a system of devices 有权
标题翻译：设备系统中的设备ID分配
公开(公告)号：US09559897B2
公开(公告)日：2017-01-31
申请号：US14106302
申请日：2013-12-13
申请人： Brocade Communications Systems, Inc.
发明人： Kwun-Nan Kevin Lin , Shafiuddin Mohammed , Ravi Swamy , Shyamsunder Prayagchand Rathi
IPC分类号： G06F15/177 , H04L12/24
CPC分类号： H04L41/0803 , H04L41/0866 , H04L41/12
摘要： Techniques for assigning device identifiers in a system of devices are provided. In one embodiment, a master device of the system can maintain a first configuration that specifies a set of links between a first subset of the devices, where the first configuration includes a device identifier for each device in the first subset. The master device can further generate a second configuration that specifies a set of links between a second subset of the devices, where the second configuration is based on a physical topology of the system, and where one or more devices in the second subset are unknown devices that are not associated with a device identifier in the physical topology. The master device can then assign device identifiers to the unknown devices in the second subset by comparing the first configuration with the second configuration.
摘要翻译：提供了用于在设备系统中分配设备标识符的技术。在一个实施例中，系统的主设备可以维护指定设备的第一子集之间的一组链路的第一配置，其中第一配置包括第一子集中的每个设备的设备标识符。主设备还可以生成指定设备的第二子集之间的一组链路的第二配置，其中第二配置基于系统的物理拓扑，并且第二子集中的一个或多个设备是未知设备它们不与物理拓扑中的设备标识符相关联。然后，主设备可以通过将第一配置与第二配置进行比较来将设备标识符分配给第二子集中的未知设备。

3. 发明授权

US09148387B2 Hardware hash table virtualization in multi-packet processor networking systems 有权
标题翻译：多分组处理器网络系统中的硬件散列表虚拟化
公开(公告)号：US09148387B2
公开(公告)日：2015-09-29
申请号：US14207146
申请日：2014-03-12
申请人： BROCADE COMMUNICATIONS SYSTEMS, INC.
发明人： Kwun-Nan Kevin Lin , Piya Chindaphorn , Arijit Bhattacharyya , Ramesh Gowthaman , Vishal Sinha
IPC分类号： H04L12/701 , H04L12/801 , H04L29/06 , H04L12/935 , H04L12/931
CPC分类号： H04L49/3009 , H04L49/70
摘要： Techniques for virtualizing hardware hash tables in a networking system are provided. In one embodiment, the networking system can maintain a plurality of virtual hash tables corresponding to a plurality of hardware hash tables in the networking system. For each hardware hash table and its corresponding virtual hash table, the networking system can intercept operations directed to the hardware hash table and apply the intercepted operations to the virtual hash table. The networking system can then selectively install and/or uninstall virtual hash table entries to/from the hardware hash table in view of the operations.
摘要翻译：提供了用于在网络系统中虚拟化硬件哈希表的技术。在一个实施例中，网络系统可以维护与网络系统中的多个硬件散列表相对应的多个虚拟散列表。对于每个硬件散列表及其对应的虚拟散列表，网络系统可以拦截针对硬件散列表的操作，并将截取的操作应用于虚拟散列表。鉴于操作，网络系统然后可以选择性地将硬件散列表条目安装和/或卸载到硬件散列表。

4. 发明申请

US20140341080A1 BROADCAST AND MULTICAST TRAFFIC REDUCTION IN STACKING SYSTEMS 有权
标题翻译：堆叠系统中的广播和多媒体业务减少
公开(公告)号：US20140341080A1
公开(公告)日：2014-11-20
申请号：US14171152
申请日：2014-02-03
申请人： Brocade Communications Systems, Inc.
发明人： Kwun-Nan Kevin Lin , Shafiuddin Mohammed , Tao Guan , Vishal Sinha
IPC分类号： H04L12/753 , H04L12/18 , H04L12/46
CPC分类号： H04L45/48 , H04L12/1886 , H04L12/4641 , H04L45/18
摘要： Techniques for reducing broadcast and multicast traffic in a stacking system are provided. In one embodiment, a master device in the stacking system can automatically determine a minimal set of VLAN associations for stacking links in the stacking system. The minimal set of VLAN associations can avoid unnecessary transmission of broadcast or multicast packets through the system's topology.
摘要翻译：提供了用于减少堆叠系统中的广播和组播流量的技术。在一个实施例中，堆叠系统中的主设备可以自动确定堆叠系统中堆叠链路的最小VLAN关联集合。 VLAN关联的最小集合可以避免广播或组播数据包通过系统拓扑的不必要的传输。

5. 发明授权

US09660937B2 Techniques for simplifying stacking trunk creation and management 有权
公开(公告)号：US09660937B2
公开(公告)日：2017-05-23
申请号：US14876639
申请日：2015-10-06
申请人： Brocade Communications Systems, Inc.
发明人： Bipin Agarwal , Kwun-Nan Kevin Lin
IPC分类号： H04L12/933 , H04L12/931
CPC分类号： H04L49/15 , H04L49/65
摘要： Techniques for simplifying stacking trunk creation and management are provided. In one embodiment, a switch in a stacking system can receive first and second control packets from one or more other switches in the stacking system, where the first and second control packets are received on first and second stacking ports of the switch respectively. The switch can then determine, based on the first and second control packets, whether the first and second stacking ports can be configured as a single stacking trunk.

6. 发明申请

US20160028652A1 Techniques For Simplifying Stacking Trunk Creation And Management 有权
标题翻译：技术简化堆叠创建和管理
公开(公告)号：US20160028652A1
公开(公告)日：2016-01-28
申请号：US14876639
申请日：2015-10-06
申请人： Brocade Communications Systems, Inc.
发明人： Bipin Agarwal , Kwun-Nan Kevin Lin
IPC分类号： H04L12/933 , H04L12/931
CPC分类号： H04L49/15 , H04L49/65
摘要： Techniques for simplifying stacking trunk creation and management are provided. In one embodiment, a switch in a stacking system can receive first and second control packets from one or more other switches in the stacking system, where the first and second control packets are received on first and second stacking ports of the switch respectively. The switch can then determine, based on the first and second control packets, whether the first and second stacking ports can be configured as a single stacking trunk.
摘要翻译：提供了简化堆叠树干创建和管理的技术。在一个实施例中，堆叠系统中的交换机可以从堆叠系统中的一个或多个其他交换机接收第一和第二控制分组，其中分别在交换机的第一和第二堆叠端口上接收第一和第二控制分组。然后，交换机可以基于第一和第二控制分组来确定第一和第二堆叠端口是否可以被配置为单个堆叠中继。

7. 发明申请

US20140341079A1 CONFIGURATION VALIDATION IN A MIXED NODE TOPOLOGY 有权
标题翻译：混合节点拓扑中的配置验证
公开(公告)号：US20140341079A1
公开(公告)日：2014-11-20
申请号：US14094931
申请日：2013-12-03
申请人： Brocade Communications Systems, Inc.
发明人： Kwun-Nan Kevin Lin , Shyamsunder Prayagchand Rathi , Shafiuddin Mohammed , Ravi Swamy
IPC分类号： H04L12/24
CPC分类号： H04L41/12 , H04L41/0866 , H04L41/0873
摘要： Techniques for validating configuration changes in a mixed node topology are provided. In one embodiment, a device can identify a link to be removed from a topology comprising a plurality of nodes, where the plurality of nodes includes one or more nodes of a first type and one or more nodes of a second type. The device can then determine whether the removal of the link from the topology would require data traffic between two nodes of the first type to pass through a node of the second type.
摘要翻译：提供了用于验证混合节点拓扑中的配置更改的技术。在一个实施例中，设备可以识别要从包括多个节点的拓扑中去除的链路，其中多个节点包括第一类型的一个或多个节点和第二类型的一个或多个节点。然后，设备可以确定从拓扑去除链路是否需要第一类型的两个节点之间的数据流量通过第二类型的节点。

8. 发明申请

US20140181275A1 DEVICE ID ASSIGNMENT IN A SYSTEM OF DEVICES 有权
标题翻译：设备系统中的设备ID分配
公开(公告)号：US20140181275A1
公开(公告)日：2014-06-26
申请号：US14106302
申请日：2013-12-13
申请人： Brocade Communications Systems, Inc.
发明人： Kwun-Nan Kevin Lin , Shafiuddin Mohammed , Ravi Swamy , Shyamsunder Prayagchand Rathi
IPC分类号： H04L12/24
CPC分类号： H04L41/0803 , H04L41/0866 , H04L41/12
摘要： Techniques for assigning device identifiers in a system of devices are provided. In one embodiment, a master device of the system can maintain a first configuration that specifies a set of links between a first subset of the devices, where the first configuration includes a device identifier for each device in the first subset. The master device can further generate a second configuration that specifies a set of links between a second subset of the devices, where the second configuration is based on a physical topology of the system, and where one or more devices in the second subset are unknown devices that are not associated with a device identifier in the physical topology. The master device can then assign device identifiers to the unknown devices in the second subset by comparing the first configuration with the second configuration.
摘要翻译：提供了用于在设备系统中分配设备标识符的技术。在一个实施例中，系统的主设备可以维护指定设备的第一子集之间的一组链路的第一配置，其中第一配置包括第一子集中的每个设备的设备标识符。主设备还可以生成指定设备的第二子集之间的一组链路的第二配置，其中第二配置基于系统的物理拓扑，并且第二子集中的一个或多个设备是未知设备它们不与物理拓扑中的设备标识符相关联。然后，主设备可以通过将第一配置与第二配置进行比较来将设备标识符分配给第二子集中的未知设备。

9. 发明授权

US09692695B2 Techniques for aggregating hardware routing resources in a multi-packet processor networking system 有权
公开(公告)号：US09692695B2
公开(公告)日：2017-06-27
申请号：US14506943
申请日：2014-10-06
申请人： BROCADE COMMUNICATIONS SYSTEMS, INC.
发明人： Kwun-Nan Kevin Lin , Vishal Sinha , Gefan Zhang , Kalpesh Bafna , Siddhesh Dindorkar , Tao Guan
IPC分类号： H04L12/28 , H04L12/771 , H04L12/745 , H04L12/741 , H04L12/733
CPC分类号： H04L45/563 , H04L45/20 , H04L45/745 , H04L45/748
摘要： Techniques for aggregating hardware routing resources in a system of devices are provided. In one embodiment, a device in the system of devices can divide routing entries in a software routing table of the system into a plurality of route subsets. The device can further assign each route subset in the plurality of route subsets to one or more devices in the system. The device can then install, for each route subset that is assigned to the device, routing entries in the route subset into a hardware routing table of the device.

10. 发明申请

US20170104626A1 LAG CONFIGURATION LEARNING IN AN EXTENDED BRIDGE 审中-公开
公开(公告)号：US20170104626A1
公开(公告)日：2017-04-13
申请号：US15276619
申请日：2016-09-26
申请人： Brocade Communications Systems, Inc.
发明人： Kwun-Nan Kevin Lin , Bipin Agarwal
IPC分类号： H04L12/24 , H04L12/933 , H04L12/935
CPC分类号： H04L41/0803 , H04L41/0866 , H04L49/10 , H04L49/30 , Y02D30/30
摘要： Techniques for configuring/learning the link aggregation groups (LAGs) of a port extender (PE) at the time the PE joins an extended bridge are provided. According to one embodiment, a first network device in a system of network devices (e.g., an extended bridge) can receive a join message from a second network device in the system, where the join message includes a LAG configuration for one or more LAGs programmed on the second network device. The first network device can further determine whether a provisional LAG configuration for the one or more LAGs of the second network device exists on the first network device. If a provisional LAG configuration does not exist on the first network device, the first network device can learn the LAG configuration included in the join message and can integrate the second network device into the system based on the learned LAG configuration.

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