Loop Protect Error 888

[domineaux]

Hello, does anybody knows what this error mean:

Since I activate this functionnality, I can see that in Log....

00888 loop-protect: port A3 - received packet failed authentication

[cenk sasmaztin]

can I see show tech print your switch

[domineaux]

I can't, because the display is too long.
Which information you need?

[cenk sasmaztin]

888 Port - received
packet failed authentication.
info Loop protection packets on the port are not being processed
because they are not authentic. This can happen if a malicious user
is trying to spoof loop protection packets.


this eror code 888
check user nic

[domineaux]

Yes I've read about this, but on the specified port there is a switch (Procurve 5412zl the same).

[cenk sasmaztin]

loop protech
not applicable on the uplink port

loop protech applied only user port on the switch

[cenk sasmaztin · Accepted solution]

http://bizsupport1.austin.hp.com/bc/docs/support/SupportManual/c02714008/c02714008.pdf

page 197

[domineaux]

Ok but I can't see that we only use Loop protection on edge port.

In this doc : http://h40060.www4.hp.com/procurve/uk/en/pdfs/application-notes/How_to_improve_and_harden_spanning-tree_configuration_Configuration_note_Dec_08_A4.pdf


It is written, to use loop protect on all ports

[cenk sasmaztin]

Loop protection should be activated on all ports.

yess it is true

but for unmanagement switch connection

please check guide and my attach file

[domineaux]

Yes I must confess that you're true, and I must wash my eyes before read a documentation.

Thank you for the help.

[domineaux]

çok teŠekkür ederim

[cenk sasmaztin]

cela ne fait rien :)