Cabletron Systems 9F426-03 appendix Ring Map Node Screen Fields

9F426-03 Module Specific Information

Ring Map Node Screen Fields

The following information briefly explains each Ring Map Node Screen field.

Address

Displays the address of the selected node.

Upstream Address

Displays the address of the selected node’s nearest upstream neighbor.

Node Class

Displays the class (NAS, DAS, DAC, SAS, or SAC) of the selected node. For an explanation of these class codes, see page 5.

MAC Count

Displays the number of MACs (Media Access Controllers) that are attached to the specified ring.

Non-Master Count

Displays the number of A and B ports on the selected node.

Master Count

Displays the number of M ports controlled by the selected node.

Peer Wrap

Indicates whether a wrap condition exists on a port. A peer wrap does not occur when the A or B port is attached to an M port.

Unattached Conc (DAC only)

Indicates whether the selected node has no active A or B port.

Twisted A-A

Indicates whether the A port is connected to another A port.

Twisted B-B

Indicates whether the B port is connected to another B port.

Synchronous Service

Indicates whether the selected node uses synchronous bandwidth which guarantees a certain percentage of the total FDDI bandwidth for real-time applications.

Rooted

Indicates whether the selected node has an active A or B port when one, and only one, end of the fiber link connects to an M port.

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