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Switch Meshing
Configuring Switch Meshing
Table 5-1. State Descriptions for Show Mesh Output
State Meaning
Established The port is linked to a meshed port on another switch and meshing traffic is
flowing across the link. The show mesh listing includes the MAC addresses of
the adjacent switch and direct connection port on the adjacent switch.
Not
Established
The port may be linked to a switch on a port that is not configured for meshing
or has gone down.
Initial The port has just come up as a meshed port and is trying to negotiate meshing.
Disabled The port is configured for meshing but is not connected to another device.
Error Indicates a multiple MAC-address error. This occurs when you have two or
more mesh ports from the same switch linked together through a hub.
Topology
Error
Two meshed switches are connected via a hub, and traffic from other, non-
meshed devices, is flowing into the hub. The show mesh listing includes the
MAC addresses of the adjacent switch and direct connection port on the
adjacent switch.
Topology Example with Show Mesh. Suppose that you have the following
topology:
Series 8212zl Switch
A1 A2 B1 C1 D1
Switch Port Not Configured for
Meshing
Switch with Port Not Configured for
Meshing, or a Hub
Port MAC Adrs.
0060b0-889e7a
0060b0-889e79
Switch with
Ports Configured
for Meshing
Switch MAC Adr.
0060b0-889e00
= Meshed Port = Non-Meshed, Linked Port = Non-Linked Port = Invalid for Meshing
The links from ports C1 and D1 are valid meshed links. All other links
are invalid for meshing. Figure 5-11 on page 5-14 demonstrates the
show mesh listing for this topology.
Figure 5-10. Example of a Meshed Topology with Some Mesh Ports Incorrectly Linked
Table 5-2 on page 5-14 describes the meshing operation in the above topology.
5-13