Netsight Alarm indicating the Switch is Receiving an ARP with bad target IP address 255.255.255.0.
Netsight Alarm <164>Feb 11 08:12:12 0.0.0.0-1 IP: ipmap_arp_api.c(762) 38 %% Received ARP Request on interface rtr.0.1 with bad target IP address 255.255.255.0. Sender IP is 10.10.10.10, sender MAC is 00:11:22:33:44:55.
VH-2402 sending ARP with bad destination
Replace the VH2402
The messages could be caused by devices other than a VH-2502 sending the ARP, use a sniffer to determine what station is sending the ARP.