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Figure 21-3 Multi-ring configurations with shared links (basic configuration)
(a) Transit nodes for shared link monitoring rings
This is the same as transit nodes for a single ring. For details, see (1) Transit node in 21.1.7
Settings for modes and ring ports (for single rings and multi-ring configurations without
shared links). The T2, T4, and T5 nodes in Figure 21-3 Multi-ring configurations with
shared links (basic configuration) correspond to this setting.
(b) Transit nodes for shared link non-monitoring rings
This is the same as transit nodes for a single ring. For details, see (1) Transit node in 21.1.7
Settings for modes and ring ports (for single rings and multi-ring configurations without
shared links). The T6 node in Figure 21-3 Multi-ring configurations with shared links (basic
configuration) corresponds to this setting.
(2) Multi-ring configurations with shared links (extended configuration)
The figure below shows a multi-ring configuration with shared links (extended
configuration). For details about settings other than those for the terminal node (master
node) of a shared link non-monitoring ring and the nodes (transit) for shared links in a
shared link non-monitoring ring, see (1) Multi-ring configurations with shared links (basic
configuration).
21 Settings and Operation for the Ring Protocol
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