C-91
Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2
OL-29168-01
Appendix C Troubleshooting
Gathering Information
Denied Attackers and hit count for each.
Denied Attackers with percent denied and hit count for each.
The Signature Database Statistics.
The Number of each type of node active in the system
Total nodes active = 0
TCP nodes keyed on both IP addresses and both ports = 0
UDP nodes keyed on both IP addresses and both ports = 0
IP nodes keyed on both IP addresses = 0
The number of each type of node inserted since reset
Total nodes inserted = 0
TCP nodes keyed on both IP addresses and both ports = 0
UDP nodes keyed on both IP addresses and both ports = 0
IP nodes keyed on both IP addresses = 0
The rate of nodes per second for each time since reset
Nodes per second = 0
TCP nodes keyed on both IP addresses and both ports per second = 0
UDP nodes keyed on both IP addresses and both ports per second = 0
IP nodes keyed on both IP addresses per second = 0
The number of root nodes forced to expire because of memory constraints
TCP nodes keyed on both IP addresses and both ports = 0
Packets dropped because they would exceed Database insertion rate limits = 0
Fragment Reassembly Unit Statistics for this Virtual Sensor
Number of fragments currently in FRU = 0
Number of datagrams currently in FRU = 0
Number of fragments received since reset = 0
Number of fragments forwarded since reset = 0
Number of fragments dropped since last reset = 0
Number of fragments modified since last reset = 0
Number of complete datagrams reassembled since last reset = 0
Fragments hitting too many fragments condition since last reset = 0
Number of overlapping fragments since last reset = 0
Number of Datagrams too big since last reset = 0
Number of overwriting fragments since last reset = 0
Number of Inital fragment missing since last reset = 0
Fragments hitting the max partial dgrams limit since last reset = 0
Fragments too small since last reset = 0
Too many fragments per dgram limit since last reset = 0
Number of datagram reassembly timeout since last reset = 0
Too many fragments claiming to be the last since last reset = 0
Fragments with bad fragment flags since last reset = 0
TCP Normalizer stage statistics
Packets Input = 0
Packets Modified = 0
Dropped packets from queue = 0
Dropped packets due to deny-connection = 0
Duplicate Packets = 0
Current Streams = 0
Current Streams Closed = 0
Current Streams Closing = 0
Current Streams Embryonic = 0
Current Streams Established = 0
Current Streams Denied = 0
Total SendAck Limited Packets = 0
Total SendAck Limited Streams = 0
Total SendAck Packets Sent = 0
Statistics for the TCP Stream Reassembly Unit
Current Statistics for the TCP Stream Reassembly Unit
TCP streams currently in the embryonic state = 0
TCP streams currently in the established state = 0
TCP streams currently in the closing state = 0
TCP streams currently in the system = 0
TCP Packets currently queued for reassembly = 0