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Duplicate IP Address 0.0.0.0" Error Messages - device tracking

Heinz Kern
Level 1
Level 1

Hello,

we have issues with windows 7 clients which are authenticated via dot1x. we face issues with duplicate Ip-address entries in the system log of the windows clients

we have enabled device tracking delay...based on link below we can not use these features as we have to install new hardware for that.

http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/8021x/116529-problemsolution-product-00.html

as we still see issues i´m trying to find a way to troubleshoot these duplicate messages on switch side (with debug or logging). but i can not find any possibility to see this duplicate IP with 0.0.0.0 on switch side.

does anybody have an idea to achieve that

br + thanks

heinz

1 Reply 1

Austin Sabio
Level 4
Level 4

Make sure the solution command is applied on all switches to same VLAN(s) where all windows clients live at. 

ip device tracking probe use-svi

"The caveat to this method is that an SVI must exist on every switch in every VLAN where Microsoft Windows clients who run DHCP reside."

Please rate, if helpful. 

Thank you.

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