Cisco 10008 - Manual (Page 30)

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Cisco 10008 Router Performance Routing Engine 3 Installation
OL-8544-01
Analyzing and Troubleshooting Packets
After processing the 100 UDP packets, the show pxf cpu commands are entered to display statistical
information about the packets.
Hardware and Software Components
Table 7 lists the hardware and software components used in the case study.
Displaying Packet Statistics for ACLs
The show pxf cpu statistics security command provides statistical information about the packets
denied, permitted, and logged by ACLs. The router collects statistics for mini-compiled ACLs, but not
for turbo-compiled ACLs.
The following example output provides packet information before sending the 100 packets. Notice that
the Packets Denied field indicates that no packets have been denied by ACL 108. The Denied and Log
field indicates that no denied packets have been logged.
Router# show pxf cpu statistics security
ACL Pkts Pkts Denied Permit
Name Denied Permitted & Log & Log
108 0 0 0 0
The following example output results after sending the 100 packets. Notice that the Packets Denied field
now indicates that 100 packets have been denied. Recall that the router denied the packets because they
matched the implicit deny statement. This statement does not include a log keyword, which causes
information to be sent to the console. Therefore, no logging occurs and the Denied and Log fields
indicate this.
Router# show pxf cpu statistics security
ACL Pkts Pkts Denied Permit
Name Denied Permitted & Log & Log
108 100 0 0 0
Displaying IP Forwarding Statistics
The show pxf cpu statistics ip command provides statistical information about IP forwarding. The
following example output indicates the count of the IP forwarding counter before sending the 100
packets. Notice that the count is 402.
Router# show pxf cpu statistics ip
FP ip statistics
dropped 0
forwarded 402
punted 540
input_packets 942
icmps_created 0
noadjacency 0
.
.
Table 7 Hardware and Software Components
Cisco IOS Release Processor Image
12.2(31)SB2 ESR-PRE3 c10k3-p11-mz