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Over the past few months we've seen some strange issues we just can't seem to tackle, hoping someone else has seen this.
On our closet switches (4506-e, 3850's, 3560x's) we use dot1x and MAB authentication for phones and PC's. Over the past few mon...
The main issue we found was with Polycom 411's that had a sidecar attached. Something about the POE negotiation violates IEEE standards and the switch thinks it's a power overdrawn issue which caused phones to lose power and reboot. Another issue we ...
@Octavian Szolga wrote:
Hi,
Do you use SCCM on your Windows machines?
https://supportforums.cisco.com/t5/lan-switching-and-routing/mac-address-flapping-and-sccm-wake-up-proxy/td-p/2240432
Thanks,
Octavian
I had the team that owns SCCM check it...
@Octavian Szolga wrote:
Hi,
Do you use SCCM on your Windows machines?
https://supportforums.cisco.com/t5/lan-switching-and-routing/mac-address-flapping-and-sccm-wake-up-proxy/td-p/2240432
Thanks,
Octavian
We do indeed use SCCM. I am having the...
@Mohammed al Baqari wrote:Hi,These MAC addresses belong to ALCATEL STC AUSTRALIADo you have anything in your network from there (it might be the chipset ofan equipment). Do you using docking stations or connecting laptops directlyto switch.
Not as fa...
