877-w running IOS 12.4(22)T (latest)
I just noticed that any wireless clients cannot PING each other. I've never noticed this behavior before since all important infrastructure is wired.
IP address is on BVI1 and is PINGable by all wireless, as are any wired connections bridged through BVI1/VLAN1
No firewalls on clients etc, they are all reachable from wired clients (wireless IP cameras and laptops)
p.s ARP -a <ip address of wClient> does not work from other Wclient.
Router IP - 192.168.9.254
WclientA = 192.168.9.60
WclientB = 192.168.9.98
WclientC = 192.168.9.97
ABC cannot ping each other, but no problem PINGing router or any wired IP on same subnet!