Is there a way to add a static ARP entry onto the 5508 wireless controller? I am having trouble with wireless hosts accessing a server even though they are all on the same subnet. Every other host can reach the server except for the wireless hosts on the 5508. Network Load Balancing is being used for the server and a static arp entry is on our core switch. This fixed all of the other hosts but the wireless hosts are still having issues.
I have searched an am unable to find a way to add a static arp entry on the 5508. When I look in the arp table on the 5508 the server is not listed. Wireless hosts can communicate with every other host on the subnet. This server with Network Load Balancing configured is the only exception.
You just need to access the GUI of the WLC, then click on Controller, Multicast, Enable Multicast enter a multicast group and Enable broadcast forwarding.
The multicast group address is an IPv4 multicast group and is recommended to be in the 239.x.x.x-18.104.22.168 range which is scoped for private multicast applications. Do not use the 224.x.x.x, 239.0.0.x or the 239.128.0.x address ranges for the multicast group address. Addresses in these ranges overlap with the link local MAC addresses and flood all switch ports, even with IGMP snooping enabled.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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