Invention Application
- Patent Title: Maintaining point of presence for clients roaming within a layer 2 domain
- Patent Title (中): 维护客户端在第2层域内漫游的存在点
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Application No.: US13068926Application Date: 2011-05-24
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Publication No.: US20120300756A1Publication Date: 2012-11-29
- Inventor: Vipul Shah , Bhanu Gopalasetty , Navindra Yadav , Sudhir K. Jain , Rohit Suri
- Applicant: Vipul Shah , Bhanu Gopalasetty , Navindra Yadav , Sudhir K. Jain , Rohit Suri
- Applicant Address: US CA San Jose
- Assignee: CISCO TECHNOLOGY, INC.
- Current Assignee: CISCO TECHNOLOGY, INC.
- Current Assignee Address: US CA San Jose
- Main IPC: H04W84/02
- IPC: H04W84/02 ; H04W4/00

Abstract:
In one embodiment, a method includes receiving a packet from a source wireless device at a second switch, the source wireless device previously associated with a first switch and roamed to and associated with the second switch, wherein a point of presence for the source wireless device is maintained at the first switch, inserting into the packet a direction indicator, and forwarding the packet from the second switch to the first switch, the direction indicator identifying the packet as being transmitted towards the point of presence for the source wireless device to prevent a forwarding loop. An apparatus is also disclosed.
Public/Granted literature
- US08971289B2 Maintaining point of presence for clients roaming within a layer 2 domain Public/Granted day:2015-03-03
Information query