3Com SuperStack II 9300 Command Reference Manual page 435

Field
inReplies
inRequests
outIfdown
outMemErrors
outReplies
outRequests
Description
ARP reply frames that were received on an IP
interface
ARP request frames that were received on an IP
interface
Failure of the system to send one of the following
three frames because the state of the IP interface
was down:
ARP request
ARP reply
IP frame to be forwarded (pending ARP
resolution)
Failure of the system to allocate memory to
transmit either an ARP request or an ARP reply
ARP replies that were transmitted from an IP
interface
ARP requests that were transmitted from an IP
interface
ip arp statistics 435