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Inconsistent port type PVST

Hi all

we are occuring and problem when connecting an two existing toplogy based on Catalyst Cisco 2960 & 2950 and existing toplogie base on 3Com Switch 8810 Core switch that we need to connect them to gather.

When connect the 3com segment trought an access port on Vlan 10 to  to Cisco catalyst on defaut Port  Vlan 1 on catalyst 2960. The catalyst seen on error message :

%SPANTREE-2-RECV_1Q_NON_TRUNK: Received IEEE 802.1Q BPDU on non trunk
FastEthernet0/1 on vlan 1.
%SPANTREE-2-BLOCK_PORT_TYPE: Blocking FastEthernet0/1 on vlan 1.
Inconsistent port type.

After getting this error catalyst port used for this connexion stay in yellow color with non trafic passing.

Assuming that the catalyst switch port has a default configuration and there is another local Vlan used by another  Catalyst port suching that Catalyst run PVST version.

when we connect to 3com switch to an access port vlan 10. and this switch run MSTP version, this configuration can cause this problem?

Please, what can you propose to resolve this issue?

best regards.

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