ProCurve 6400cl Uživatelská příručka stáhnout pdf (Strana 281)

100

101

Switch Meshing

Operating Notes for Switch Meshing

= Non-mesh Switch Ports

Figure 7-18. Connecting a Switch Mesh Domain to Non-Meshed Devices

Note on the Edge- When using RSTP or MSTP and interconnecting 3400cl, 6400cl, or 5300xl in a

Port Mode in RSTP

mesh with switches that are not in the mesh, all the non-mesh switch ports

and MSTP

(as indicated in the figure above) should have the edge-port parameter dis-

abled. For more information on RSTP edge-port parameter see “Optimizing

the RSTP Configuration” on page 6-13

STP or RSTP should be configured on non-mesh devices that use redundant

links to interconnect with other devices or with multiple switch mesh

domains. For example:

Mesh Domain

STP

Block

STP

Block

Mesh Domain

Non-Mesh Switch

Figure 7-19. Interconnecting Switch Mesh Domains with Redundant Links

In the above case of multiple switch meshes linked with redundant trunks

there is the possibility that spanning-tree will temporarily block a mesh link.

This is because it is possible for spanning-tree to interpret the cost on an

external trunked link to be less than the cost on a meshed link. However, if

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