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Siemens Profinet and Cat2960S

l.buschi
Level 2
Level 2

Hello,

I have a problem with siemens industrial profinet apparatous and my Cat2960.

Siemens host can be pinged without any problem but they are not able to do any other kind of traffic.

If i look at the interface I can find that all ingress packet are UNKNOWN DROPPED.

I found a document where si explained that "probably" siemens host are using packet with 802.1p header and vlan 0.

I tried the following tests:

1) port in access mode     -  failed

2) port in trunk mode with native vlan      - failed

3) port in access mode with voice vlan -   failed

4) port in acess-mode with voice vlan dot1p - failed

Did you never had such this problem?

can anybody help me?

Thanks

Johnny

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