Does "native correlation" mean over CorrelationSets? What is non-native-cor

What exactly means "native correlation"?
Does it mean the traditional correlation over Correlation Sets ?
Or in other words: What means the opposite "Non-native" correlation ?
Is this an auto-correlation in the PL-Adapter?
Peter

Cisco uses a proprietary implemetation of "standard" Spanning Tree (802.1d) for EVERY vlan.
To be interoperable to Non-Cisco switches, on the native vlan BPDUs (the "packets" of STP) are transmitted in regular 802.1d-Format.
The Non-Cisco switch wouldn't be able to identify the per-vlan-spanning-tree (PVSTP) BPDUs on a trunk - they are different to 802.1d-BPDUs. In order to avoid loops, BPDUs on the native vlan are like those of Non-Cisco switches.
That's the theory - in practice you often have problems with STP between Cisco and Non-Cisco switches and one solution is to change the native vlan to a dummy-ID.
If you like to know more, watch sheets 7 and 8 of this presentation: http://iws.ccccd.edu/sbutler/ccnp3ppt/mod4-Intervlan_Routing.ppt
(very good page for learnig/preparing!!)
There are also security-issues with native vlan. This is what you find in the link of the post above. If vlan 1 is your management-vlan there are many scenarios how to get unauthorized access to the management.
I know, this are not really non-book terms but I can't explain better...
HTH
Rolf

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