Graceful Restart Communication Procedure - H3C LS-3100-52P-OVS-H3 Operation Manual

Graceful Restart Communication Procedure

Configure a device as GR Restarter in a network. This device and its GR Helper must support GR or be
GR capable. Thus, when GR Restarter restarts, its GR Helper can know its restart process.
In some cases, GR Restarter and GR Helper can replace each other.
The communication procedure between the GR Restarter and the GR Helper works as follows:
1) Establishing a GR session.
Figure 1-1 A GR session is established between the GR Restarter and the GR Helper
As illustrated in
GR Helpers of Router A. A GR session is established between the GR Restarter and the GR Helper.
2) Restarting GR Restarter
Figure 1-1, Router A works as GR Restarter, Router B, Router C and Router D are the
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