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Figure 22-4 Example of the Ring Protocol and GSRP being used together and the
The Switches only perform forwarding of virtual link control frames described below and
clearing of the MAC address table. For details about operations when using the Ring
Protocol together with GSRP and about virtual links, see the manuals for AX series
switches (such as AX2400S, AX3600S, and AX6700S series switches).
(1) Forwarding of virtual link control frames of GSRP
Any two switches that use the Ring Protocol together with GSRP are connected by virtual
links. This is the same as for the switches that use the Ring Protocol together with a
Spanning Tree Protocol described above. Virtual links are built between two switches on a
ring network. The virtual VLAN set on the ring network is used to send and receive virtual
link control frames. A VLAN belonging to the data transfer VLAN group on the ring ports is
used as the virtual VLAN.
The Switch in the ring network only performs forwarding of virtual link control frames.
(2) Clearing MAC address tables during GSRP network switching
When GSRP network path switching occurs, the GSRP master uses the virtual link VLAN to
send a flush control frame to switches in the ring network so that MAC address table entries
are cleared. Each switch receiving this in the ring network clears its MAC address table
entries.
The Switch receiving a flush control frame in the ring network also clears its MAC address
table entries.
22 Using the Ring Protocol with Spanning Tree Protocols/GSRP
positions of the Switches (when direct links are not used on a ring network)
401
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