- 专利标题: SYSTEMS AND METHODS FOR CONVERGENCE OF NETWORK TRAFFIC AFTER AN INTERRUPTION OF A NETWORK DEVICE'S LINK
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申请号: US17108405申请日: 2020-12-01
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公开(公告)号: US20220103425A1公开(公告)日: 2022-03-31
- 发明人: Alton Lo , Rajesh Semwal , Isidoros Kouvelas , Amit Ranpise
- 申请人: Arista Networks, Inc.
- 申请人地址: US CA Santa Clara
- 专利权人: Arista Networks, Inc.
- 当前专利权人: Arista Networks, Inc.
- 当前专利权人地址: US CA Santa Clara
- 优先权: GR20200100582 20200925
- 主分类号: H04L12/24
- IPC分类号: H04L12/24 ; H04L12/46
摘要:
Systems and methods are provided herein for a mechanism for faster convergence of network traffic after a network device's link is interrupted by leveraging the withdrawal of the ethernet virtual private network (EVPN) auto discovery (AD) route. This may be accomplished by a first device checking an ethernet segment identifier (ESI) status flag before generating an entry in the first device's forwarding table, where the entry is based on an IP route for a host received by a second network device. In response to receiving a withdrawal of an EVPN AD route from the second device, the first device may update the ESI status flag to indicate that the host on the ethernet segment (ES) is reachable only via the third device and update the entry that was based on the IP route for the host received by the second network device to prevent sending traffic to the host via the second device.
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