公开(公告)号：US20220231936A1

公开(公告)日：2022-07-21

申请号：US17153983

申请日：2021-01-21

Applicant: Cisco Technology Inc.

Inventor： Satya Ranjan Mohanty ,  Soumya Roy ,  Yuri Tsier ,  Apoorva Karan

IPC: H04L12/715 ,  H04L12/775 ,  H04L12/723 ,  H04L12/733 ,  H04L12/707 ,  H04L12/46

Abstract: In some embodiments, a first provider edge (PE) router is coupled to a first customer edge (CE) router; a second CE router; and a second PE router. The second PE router is coupled to the first CE router and the second CE router. The first PE router is configured with a primary label comprising a primary next hop of the first CE router and a backup next hop of the second PE router and a secondary label comprising a primary next hop of the first CE router and a backup next hop of the second CE router. The second PE router is configured with a primary label comprising a primary next hop of the first CE router and a backup next hop of the first PE router and a secondary label comprising a primary next hop of the first CE router and a backup next hop of the second CE router.

公开(公告)号：US11546247B2

公开(公告)日：2023-01-03

申请号：US17153983

申请日：2021-01-21

Applicant: Cisco Technology Inc.

Inventor： Satya Ranjan Mohanty ,  Soumya Roy ,  Yuri Tsier ,  Apoorva Karan

IPC: H04L12/715 ,  H04L12/775 ,  H04L12/723 ,  H04L12/733 ,  H04L12/707 ,  H04L12/46 ,  H04L45/02 ,  H04L45/58 ,  H04L45/00 ,  H04L45/24 ,  H04L45/50

Abstract: In some embodiments, a first provider edge (PE) router is coupled to a first customer edge (CE) router; a second CE router; and a second PE router. The second PE router is coupled to the first CE router and the second CE router. The first PE router is configured with a primary label comprising a primary next hop of the first CE router and a backup next hop of the second PE router and a secondary label comprising a primary next hop of the first CE router and a backup next hop of the second CE router. The second PE router is configured with a primary label comprising a primary next hop of the first CE router and a backup next hop of the first PE router and a secondary label comprising a primary next hop of the first CE router and a backup next hop of the second CE router.