Polycom 7000 User Manual
NetEngine IAD User Guide
IAD Reports
216
ARP Statistics Report
To display the ARP Statistics report, type
A
on the Interface Statistics
menu. The ARP Statistics report displays details about ARP (Address
Resolution Protocol) packets sent and received.
Resolution Protocol) packets sent and received.
Table 12–8. ARP Statistics Report
Parameter
Description
Received Packet Information
packets received
Total ARP packets received.
discarded for lack of
resources
resources
Discarded received packets due to lack of
resources: kernel memory, packet buffers, etc.
resources: kernel memory, packet buffers, etc.
discarded due to internal
errors
errors
Discarded received packets due to internal
software errors.
software errors.
discarded for other
reasons:
reasons:
Discarded received packets due to other reasons:
- Value of Hardware Field in ARP header is not
corresponding to Ethernet.
- Value of Protocol Type Field in ARP header is not
corresponding to IP
- Value of Hardware Length in ARP header is not
the size of the MAC address (6 bytes)
- Value of Protocol Type Length Field in ARP
header is not the size of the IP address (4 bytes)
- Value of Operation Code Field in ARP header is
not ARP Request and ARP Response.
- The ARP IP address is not a local IP address
located on the IAD
- Value of Hardware Field in ARP header is not
corresponding to Ethernet.
- Value of Protocol Type Field in ARP header is not
corresponding to IP
- Value of Hardware Length in ARP header is not
the size of the MAC address (6 bytes)
- Value of Protocol Type Length Field in ARP
header is not the size of the IP address (4 bytes)
- Value of Operation Code Field in ARP header is
not ARP Request and ARP Response.
- The ARP IP address is not a local IP address
located on the IAD
Sent Packet Information
packets sent
Total ARP packets sent.
discarded for lack of
resources
resources
Discarded transmitted packets due to lack of
resources: kernel memory or packet buffers.
resources: kernel memory or packet buffers.
discarded due to internal
errors
errors
Discarded transmitted packets due to internal
software errors.
software errors.
with illegal type or code
Discarded transmitted packets due to the type of
the code are incorrect. (Not Being Used)
the code are incorrect. (Not Being Used)
Reply and Request Messages
valid requests rcvd
No. of valid ARP Request message received.
valid replies rcvd
No. of valid ARP Replies message received.
requests sent
No. of valid ARP Request message sent.
replies sent
No. of valid ARP Replies message sent.
ARP_alloc returned NULL
No. of error of allocating ARP packets or ARP
entries of the cache table.
entries of the cache table.
cache misses
Numbers of Destination IP address of packet are
not found in the ARP cache table.
not found in the ARP cache table.
discarded, missing ARP
entry
entry
No. of ARP packets discarded due to:
-Destination IP address of the packet is not found in
the ARP cache table.
-Error in allocating ARP packets or ARP entries of
the cache table.
-Destination IP address of the packet is not found in
the ARP cache table.
-Error in allocating ARP packets or ARP entries of
the cache table.