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1.
The GR Restarter and the GR Helper negotiate the GR capability and establish a session.
Figure 6-2
Setting up sessions between the GR Helper and the GR Restarter
RouterD
GR Helper
RouterA
GR Restarter
RouterB
GR Helper
GR Helper
RouterC
Session with GR capability
Router A serves as the GR Restarter. Router B, Router C and Router D are GR Helpers
responding to Router A. A session with the GR capability is established between the GR
Restarter and each GR Helper.
2.
The GR Restarter performs the AMB/SMB switchover.
Figure 6-3
AMB/SMB switchover of the GR Restarter
RouterD
GR
Helper
RouterA
GR
Restarter
RouterB
GR
Helper
GR
Helper
RouterC
Session with GR capability
The administrator restarts the GR
restarter,or the GR restarter itself fails
HUAWEI NetEngine80E/40E Router
Configuration Guide - Reliability
6 GR Configuration
Issue 02 (2014-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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