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Ip device tracking only works on first stack member


I have found that Ip device tracking only works on the first stack member on a 2960x stack as seen below.  You can see that it only lists devices on the first switch in the stack and none of the subsequent switches.

2960x_stack#show ip device tracking all
Global IP Device Tracking for clients = Enabled
Global IP Device Tracking Probe Count = 3
Global IP Device Tracking Probe Interval = 30
Global IP Device Tracking Probe Delay Interval = 6
IP Address MAC Address Vlan Interface Probe-Timeout State Source
----------------------------------------------------------------------------------------------- ecb1.d736.1a26 2025 GigabitEthernet1/0/21 30 ACTIVE ARP 8851.fb53.2fc3 2025 GigabitEthernet1/0/22 30 ACTIVE ARP a0d3.c12a.4494 2025 GigabitEthernet1/0/3 30 ACTIVE ARP ecb1.d736.5409 2025 GigabitEthernet1/0/8 30 ACTIVE ARP ecb1.d738.0ea5 2025 GigabitEthernet1/0/5 30 ACTIVE ARP f47f.35a3.74b2 1225 GigabitEthernet1/0/3 30 ACTIVE ARP f47f.35a3.74bd 1225 GigabitEthernet1/0/13 30 ACTIVE ARP a8b1.d41f.bd79 1225 GigabitEthernet1/0/6 30 ACTIVE ARP 1458.d017.c657 2025 GigabitEthernet1/0/20 30 ACTIVE ARP 0022.90ba.91c5 1225 GigabitEthernet1/0/8 30 ACTIVE ARP f47f.35a3.771b 1225 GigabitEthernet1/0/9 30 ACTIVE ARP a0d3.c119.30bd 2025 GigabitEthernet1/0/13 30 ACTIVE ARP b4b5.2f79.71e9 2025 GigabitEthernet1/0/15 30 ACTIVE ARP 0015.5d97.2109 2025 GigabitEthernet1/0/5 30 ACTIVE ARP d0bf.9c5f.62e9 2025 GigabitEthernet1/0/18 30 ACTIVE ARP 6451.0605.d603 2025 GigabitEthernet1/0/4 30 ACTIVE ARP

Total number interfaces enabled: 42
Enabled interfaces:
Gi1/0/1, Gi1/0/2, Gi1/0/3, Gi1/0/4, Gi1/0/5, Gi1/0/6, Gi1/0/7,
Gi1/0/8, Gi1/0/9, Gi1/0/10, Gi1/0/11, Gi1/0/12, Gi1/0/13, Gi1/0/14,
Gi1/0/15, Gi1/0/16, Gi1/0/17, Gi1/0/18, Gi1/0/19, Gi1/0/20, Gi1/0/21,
Gi1/0/22, Gi2/0/1, Gi2/0/2, Gi2/0/3, Gi2/0/4, Gi2/0/5, Gi2/0/6,
Gi2/0/7, Gi2/0/8, Gi2/0/9, Gi2/0/10, Gi2/0/11, Gi2/0/12, Gi2/0/14,
Gi2/0/15, Gi2/0/16, Gi2/0/17, Gi2/0/18, Gi2/0/20, Gi2/0/21, Gi2/0/22

interface GigabitEthernet2/0/20
switchport access vlan 2025
switchport mode access
switchport voice vlan 1225
ip device tracking maximum 10
no logging event link-status
spanning-tree portfast

Can anyone else confirm this issue when using 15.2(2)E6?



4 Replies 4


same Problem with 15.2(2)E7


Did you find a solution for this?



does it work when you configure:


ip device tracking probe use-svi


on the layer 3 device that does the inter-Vlan routing for your stack ?

I only have this options on old L3 device WS-C4510R-E

L3-device(config)#ip device tracking probe ?
  count     Probe count
  interval  Probe interval


There is no option to set "use-svi"


To solve this you have to restart slot 2 or just shut/no shut all ports from slot 2.

After this, the clients will be visible in IPDT table.

Don't know why this happens, but in my case this was the solution to get all clients from all Stack-members into the IPDT table.

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