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ARP request ?

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Our 407 Ruckus wireless APs are all in one vlan, 10.121.8.1/22

I am trying to troubleshoot an issue where we are seeing a lot of broadcast packets on switch ports that these APs are connected to. I grabbed a Wireshark capture and see a lot of these ARP broadcasts

Who has 10.121.8.1? Tell 10.121.8.156

 

10.121.8.156 is the IP address of one of the APs and of course 10.121.8.1 is the gateway. Why wouldn't this AP already know its gateway is 10.121.8.1? This is but one example of this type of ARP request, we are seeing this with a lot of APs, here is another example

Who has 10.121.8.1? Tell 10.121.10.173

 

We have EX4200 edge switch stacks connected to two EX4600s in a stack. All layer 3 routing happens on the EX4600s


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