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Cisco Bug: CSCuo91792 - IPDT:Wired stale entries learned via ARP not clearing out

Last Modified

Apr 18, 2019

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

15.0(1)EX3

Description (partial)

Symptom:
Any wireless user who gets an ip address and is shown to have picked the ip address in DHCP server some times shows its state as "IPLEARN".

Conditions:
For the ip address which the Wireless client has picked up and as confirmed in the DHCP server , Issue the following commands and check if that is assigned to any other mac-address inside the IPDT table:
#show ip device tracking ip  10.137.32.52

-----------------------------------------------------------------------------------------------
  IP Address    MAC Address   Vlan  Interface           Probe-Timeout      State    Source
-----------------------------------------------------------------------------------------------
10.137.32.52    406c.8f55.f772 300  GigabitEthernet1/0/31  30              INACTIVE ARP
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