Phoenix Modular switch head station 10/100Mbps Manuel d'utilisateur télécharger pdf (Page 215)

(Rapid) Spanning Tree

6874_en_09 PHOENIX CONTACT 5-17

dimensioned using IEEE standard default values so that a topology with a maximum

of ten active Spanning Tree components always results in a stable network. When

using large tree, please note the following (see also "Large Tree Support" on

page 5-5):

– In the large tree support RSTP topology, do not use devices that do not support

large tree support.

– Enable the large tree support option on all devices.

– If RSTP is to be activated as the redundancy mechanism in an existing network

with more than seven switches along the relevant path, then the large tree support

option must first be enabled on all devices.

– It is recommended that large tree support is not activated in networks with less

than seven switches along the relevant path.

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Phoenix Modular switch head station 10/100Mbps Manuel d'utilisateur Page 215